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Posted: 8/18/2022 4:03:50 PM EDT
[#1]
Quote HistoryQuoted: Here are some stills of the video from last night. 10.5" 5.56 shooting Winchester M193. The can had maybe 10 rounds total through it before this test but was allowed to cool and fill back up with ambient air. First round had some visible flash. Rounds 2-5 all had a small shock diamond out the front along with some sparking. Perhaps the sparking is just loose powder from the DMLS and will clear out over time. Since I'm a competitor I don't want to give my biased opinions on it, other than it is slightly less ugly in person lol . HUXWRX FLOW556K Dusk Flash Test 10.5" 5.56 M193 Awesome photos, Riley. Did you shoot a few mags through that and then do that again? Would be cool to see it after residual binder/powder is gone from manufacturing. Very cool photos!! Jay PEW Science |
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Posted: 8/18/2022 4:44:03 PM EDT
[#2]
Thats a surprising amount of flash.
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Posted: 8/18/2022 5:07:26 PM EDT
[#3]
Quote HistoryQuoted: Awesome photos, Riley. Did you shoot a few mags through that and then do that again? Would be cool to see it after residual binder/powder is gone from manufacturing. Very cool photos!! Jay PEW Science |
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Posted: 8/18/2022 5:15:17 PM EDT
[#4]
Quote HistoryQuoted: That's kind of what I'm thinking. Someone said the inside of the can was full of sharp bits that they cut their finger on. I wonder if the sparks are the sharp edges flying out the front and the flash will go away when they are all gone after a reasonably low number of rounds. Huh, interesting you say that! When I got the test sample, there was a metal shaving inside the blast chamber. I pulled it out and was like "whoa, I'm glad I got that out of there before I shot it" hahahahha New methods of manufacturing are always interesting. I've sat in on some stuff at DMLS places. It's really interesting how printed metal parts are made. Just really cool. Then, the post-processing stuff (the machining afterward, on certain parts) can be pretty neat. I feel like we are witnessing the birth of some wild stuff. Jay PEW Science |
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Posted: 8/18/2022 6:09:24 PM EDT
[#5]
Quote HistoryQuoted: other than it is slightly less ugly in person lol. Very important distinction, doesn't look great in pictures ??. Thank you for providing the photos |
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Posted: 8/18/2022 7:11:28 PM EDT
[#6]
Quote HistoryQuoted: Awesome photos, Riley. Did you shoot a few mags through that and then do that again? Would be cool to see it after residual binder/powder is gone from manufacturing. Very cool photos!! Jay PEW Science I'll do it again at about 100 rounds and update. Not sure when that will be though. I'll also do a 30 round mag dump into trash in FA and see how it handles a higher rate of fire. |
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Posted: 8/18/2022 7:27:16 PM EDT
[#7]
Quote HistoryQuoted: I'll do it again at about 100 rounds and update. Not sure when that will be though. I'll also do a 30 round mag dump into trash in FA and see how it handles a higher rate of fire. Dope. I might be tied up this weekend so I won't have a chance to go shoot, otherwise I would do it hahaha Jay PEW Science |
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Posted: 8/18/2022 8:50:18 PM EDT
[#8]
Quote HistoryQuoted: Thats a surprising amount of flash. I think it makes a lot more sense to me personally. Compared to the marketing video it is a lot. The marketing video looked unrealistic to me. I've never seen a 5.56mm can with zero first round flash under night vision, and I wouldn't expect a short can with peak sound ~3DB over an HXQD to be the first place to see it. |
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Posted: 8/18/2022 10:22:17 PM EDT
[#9]
I wonder if there is much correlation between first round pop and first round flash.
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Posted: 8/18/2022 10:22:30 PM EDT
[#10]
Quote HistoryQuoted: Here are some stills of the video from last night. 10.5" 5.56 shooting Winchester M193. The can had maybe 10 rounds total through it before this test but was allowed to cool and fill back up with ambient air. First round had some visible flash. Rounds 2-5 all had a small shock diamond out the front along with some sparking. Perhaps the sparking is just loose powder from the DMLS and will clear out over time. Since I'm a competitor I don't want to give my biased opinions on it, other than it is slightly less ugly in person lol. HUXWRX FLOW556K Dusk Flash Test 10.5" 5.56 M193 Would unburned powder "escape" a silencer? Third pics reminds me of this shot of a 10.5" barrel as well but with steel case and no silencer. 10.5 Unsuppresed flash at night |
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Posted: 8/19/2022 8:10:12 AM EDT
[#11]
Quote HistoryQuoted: I wonder if there is much correlation between first round pop and first round flash. Probably because its related to oxygen, unburnt gas/powder/whatever hitting oxygen and igniting. Or something like that  .
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Posted: 8/19/2022 8:47:15 AM EDT
[#12]
I understand surface roughness is why this can needs to be cleaned every 1500 rounds. But what would actually happen if I decide to never clean it?
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Posted: 8/19/2022 9:19:09 AM EDT
[#13]
Quote HistoryQuoted: I understand surface roughness is why this can needs to be cleaned every 1500 rounds. But what would actually happen if I decide to never clean it? Just a heavy tube is my guess. Like those fake cans people put on their guns. No suppression. I have an old gen 7.62 flow though oss with like 5000 rounds between 5.56 and 300blackout and never cleaned it. Still sounds amazing |
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Posted: 8/19/2022 11:05:00 AM EDT
[#14]
Excessive flash from flow-through cans makes sense, to me.
Flash is crazy-hot combustion products re-igniting in contact with atmospheric oxygen. Cans slow escaping gasses and cool them, and also visually shield the fireball inside the can via an opaque tube. Slightly cooler and better combusted gases exit more slowly and with lower uncorking pressure than a bare muzzle. A flow-through can by definition slows and cools the muzzle gasses less than a traditional “high backpressure” can, and allows more fireball to escape. Well, that’s my hypothesis, at least. |
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Posted: 8/19/2022 1:23:16 PM EDT
[#15]
Quote HistoryQuoted: Excessive flash from flow-through cans makes sense, to me. Flash is crazy-hot combustion products re-igniting in contact with atmospheric oxygen. Cans slow escaping gasses and cool them, and also visually shield the fireball inside the can via an opaque tube. Slightly cooler and better combusted gases exit more slowly and with lower uncorking pressure than a bare muzzle. A flow-through can by definition slows and cools the muzzle gasses less than a traditional “high backpressure” can, and allows more fireball to escape. Well, that’s my hypothesis, at least. I don't think you are far off. At that point getting the flash suppression in the flow through requires that to become a major focus, almost like as much focus as getting the sound reduction to occur. It makes the design process much harder. The Sig SLX is flow through, and the first round pop is like a traffic wand- almost white light like a light saber. The sparks are probably indicative of a lot of thin geometries inside the can that are sharp and are experiencing excessive erosive wear. |
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Posted: 8/19/2022 1:30:18 PM EDT
[#16]
Quote HistoryQuoted: I wonder if there is much correlation between first round pop and first round flash. Yes and no. 1. Yes, to the extent the flash is influenced by flow rate. 2. Yes, to the extent the flash is influenced by ancillary interior combustion. 3. No, to the extent the flash is influenced by geometry. As flash is influenced by (1), (2), (3), ammunition, and barrel length, the answer to your question is very complex and must be framed in strict context. Jay PEW Science |
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Posted: 8/19/2022 1:33:13 PM EDT
[#17]
Quote HistoryQuoted: I understand surface roughness is why this can needs to be cleaned every 1500 rounds. But what would actually happen if I decide to never clean it? Clogging, flow rate change, less efficient heat transfer, and less efficient suppression. Jay PEW Science |
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Posted: 8/19/2022 1:34:41 PM EDT
[#18]
Quote HistoryQuoted: Here are some stills of the video from last night. 10.5" 5.56 shooting Winchester M193. The can had maybe 10 rounds total through it before this test but was allowed to cool and fill back up with ambient air. First round had some visible flash. Rounds 2-5 all had a small shock diamond out the front along with some sparking. Perhaps the sparking is just loose powder from the DMLS and will clear out over time. Since I'm a competitor I don't want to give my biased opinions on it, other than it is slightly less ugly in person lol. HUXWRX FLOW556K Dusk Flash Test 10.5" 5.56 M193 While different than the promo video, it's still fairly impressive considering the barrel length and ammo. Shorty cans have always been a poor choice for the shortest barrels if flash suppression is a consideration at all, in addition to flashy blaster ammo. Past flow-through designs have struggled with flash, at least until the latest OSS versions. To put this flash performance into perspective, at 1:23 (video timestamped) we see a 10.3" with a Surefire 556 Mini 2 shooting Hornady 55gr:  Flash Mitigation: Part - 3 ETA: Here's another (also timestamped):  Flash Mitigation: Part - 4 The most concerning thing in your pics is the sparking, but I'll go with the "residual" theory for now. Thanks for sharing. |
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Posted: 8/19/2022 2:28:04 PM EDT
[#19]
Perhaps, but I have traditional cans in the 5”-5.8” range that work well enough under 31s and WP BNVDs. I’d be interested in a direct comparison.
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Posted: 8/19/2022 2:38:58 PM EDT
[#20]
Quote HistoryQuoted: Perhaps, but I have traditional cans in the 5”-5.8” range that work well enough under 31s and WP BNVDs. I’d be interested in a direct comparison. What does this mean? What cans, and is this with a 10.3/5" barrel? What ammo? It's hard to find good info about this stuff so it all helps to put things in perspective. I'd also love a direct comparison. Even more I'd love to see the day where every suppressor is released with a Pew Science analysis accompanied by a standardized flash test rating/analysis. I doubt we will ever get there completely, but we can get a lot closer. |
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Posted: 8/19/2022 4:31:05 PM EDT
[#21]
Quick update.
I put another 85 rounds through the HUXWRX FLOW556K today, bringing the total round count to 100. I didn't notice any flash or sparking during the day time with the same 10.5" 5.56 and Winchester M193 ammo. On this host with an H2 buffer and superlative arms gas block adjusted for the silencer it sounded fantastic, frankly the best can I have ever heard on this host and I am really digging it so far. I won't be able to perform a flash test at night/dusk for a few more days but will be sure to update once I do. |
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Posted: 8/20/2022 8:49:07 AM EDT
[#22]
Quote HistoryQuoted: What does this mean? What cans, and is this with a 10.3/5" barrel? What ammo? It's hard to find good info about this stuff so it all helps to put things in perspective. I'd also love a direct comparison. Even more I'd love to see the day where every suppressor is released with a Pew Science analysis accompanied by a standardized flash test rating/analysis. I doubt we will ever get there completely, but we can get a lot closer. Difficult to say, because I don’t have a standardized testing process for this. What usually happens is we compare a couple gun/can/ammo combos with one dude shooting and the rest of us standing to the side with/without NODs. Guns are usually 11.3”-12.5”, with the occasional 14.5”. As the shooter, I don’t think any of my cans trigger the autogating on my NODs, so I generally don’t notice while shooting, but I usually use a 12.5”. Maybe the Turbo K; I don’t usually use it at night. Standing alongside the firing line, most new-ish 5.56 K cans exhibit a jet of flame about an inch or two long, like a cigar lighter, same as a NT4 on auto. Somewhat comparable to the second OSS picture. The longer ones don’t do it every shot, necessarily, given good ammo. 7.62 cans an inch longer do about the same. Cans I’m talking about: Turbo K Gen 1 (kinda flashy with shit ammo) M4SDk (same flash as Chimera ASR) 30SDk (also about the same as Chimera) MG7k .264 NT4 SOCOM Chimera 300 ASR Sandman S Other than the Turbo K Gen 1, most of these are really close in flash performance, to my eye, and better than the OSS first picture shown above, but its not a direct comparison. I wish someone would do a comparison like TTAG did with flash hiders. Even better if it was Jay, and an ongoing nerd-grade compilation with the same lot of ammo. His Mk 18 would be an excellent host for this. Edit: I don’t think any ammo/gun/can combo I shoot is as bad as the Mk18/Mini shown above. |
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Posted: 8/20/2022 10:46:46 AM EDT
[#23]
Quote HistoryQuoted: Difficult to say, because I don’t have a standardized testing process for this. What usually happens is we compare a couple gun/can/ammo combos with one dude shooting and the rest of us standing to the side with/without NODs. Guns are usually 11.3”-12.5”, with the occasional 14.5”. As the shooter, I don’t think any of my cans trigger the autogating on my NODs, so I generally don’t notice while shooting, but I usually use a 12.5”. Maybe the Turbo K; I don’t usually use it at night. Standing alongside the firing line, most new-ish 5.56 K cans exhibit a jet of flame about an inch or two long, like a cigar lighter, same as a NT4 on auto. Somewhat comparable to the second OSS picture. The longer ones don’t do it every shot, necessarily, given good ammo. 7.62 cans an inch longer do about the same. Cans I’m talking about: Turbo K Gen 1 (kinda flashy with shit ammo) M4SDk (same flash as Chimera ASR) 30SDk (also about the same as Chimera) MG7k .264 NT4 SOCOM Chimera 300 ASR Sandman S Other than the Turbo K Gen 1, most of these are really close in flash performance, to my eye, and better than the OSS first picture shown above, but its not a direct comparison. I wish someone would do a comparison like TTAG did with flash hiders. Even better if it was Jay, and an ongoing nerd-grade compilation with the same lot of ammo. His Mk 18 would be an excellent host for this. Edit: I don’t think any ammo/gun/can combo I shoot is as bad as the Mk18/Mini shown above. Cool, thanks for sharing. Maybe you'd agree that the highest priority concerning flash and night vision is not autogating the tubes or otherwise causing a disruption in the sight picture. When I originally said "the shortest barrels" I was thinking 10.3/5, so maybe I should have specified. With the short barrels an extra inch or two of powder burning does seem to make a significant difference. I know that ammo certainly does, and so does temp/humidity but I don't know to what degree. Somebody will come up with a good standardized flash test, I know Jay has been asked and considered it before. |
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Posted: 8/20/2022 11:37:05 AM EDT
[#24]
For the extra noise, flash and reliability issues, it is surprising that more people don’t choose 11.5’s over 10.3’s.
You get improved gas system dwell time, reduced flash, reduced noise, improved reliability, improved velocity with the 11.5 and its just 1.2” of length. In Vietnam it appeared that Colt and the military made that decision 55 years ago with the xm177e2’s delivered in 1967. It is probably the E1’s 10” barrel that resulted in guys taping cleaning rods to the forend to nock out stuck cases. Old habits die hard. The hk416 is more like flawlessly reliable with its 10.4” barrel, but the A5 model has an 11” barrel, maybe a noise and flash concern? The 10.4 is still very loud so it leaves that to be desired. Maybe in six years the A10 will have an 11.5” barrel.
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Posted: 8/21/2022 3:32:54 PM EDT
[#25]
Quote HistoryQuoted: For the extra noise, flash and reliability issues, it is surprising that more people don’t choose 11.5’s over 10.3’s. The 10.3" 5.56 AR is an abomination. The higher-ups that somehow thought it was a good idea to chop a 5.56 barrel that short, just to make it compact enough to move around ships, should have had someone stand up to them and say "no, sir. With all due respect, physics dictates we shouldn't go that short." But no. They didn't say that. Instead, they let it happen, and here we are. Friends don't let friends use MK18s hahahahahaha Jay PEW Science |
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Posted: 8/21/2022 4:04:30 PM EDT
[#26]
Quote HistoryQuoted: The 10.3" 5.56 AR is an abomination. The higher-ups that somehow thought it was a good idea to chop a 5.56 barrel that short, just to make it compact enough to move around ships, should have had someone stand up to them and say "no, sir. With all due respect, physics dictates we shouldn't go that short." But no. They didn't say that. Instead, they let it happen, and here we are. Friends don't let friends use MK18s hahahahahaha Jay PEW Science Quote HistoryQuoted: Quoted: For the extra noise, flash and reliability issues, it is surprising that more people don’t choose 11.5’s over 10.3’s. The 10.3" 5.56 AR is an abomination. The higher-ups that somehow thought it was a good idea to chop a 5.56 barrel that short, just to make it compact enough to move around ships, should have had someone stand up to them and say "no, sir. With all due respect, physics dictates we shouldn't go that short." But no. They didn't say that. Instead, they let it happen, and here we are. Friends don't let friends use MK18s hahahahahaha Jay PEW Science And here I am rocking a 8” bren 2 in 5.56 and this oss suppressor |
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Posted: 8/21/2022 5:22:03 PM EDT
[#27]
Quote HistoryQuoted: The 10.3" 5.56 AR is an abomination. The higher-ups that somehow thought it was a good idea to chop a 5.56 barrel that short, just to make it compact enough to move around ships, should have had someone stand up to them and say "no, sir. With all due respect, physics dictates we shouldn't go that short." But no. They didn't say that. Instead, they let it happen, and here we are. Friends don't let friends use MK18s hahahahahaha Jay PEW Science Friends just wouldn't recommend friends use MK18's. Obviously NATO ammunition quality probably improved, perhaps the sound suppressor pushed less fouling into the system than the moderator (unlikely but possible), but otherwise many of the same issues exist. USASOC is rumored to be going to 11.5" URGI's so this may be officially recognized textbook fact at this point, not just my opinion, BCM's opinion, and the Army's factually based opinion from 1967. From an engineering perspective it was poor form not to design a specific gas system for the MK18- that was the most obvious problem with using a 10.3" barrel on a carbine gas system- there just isn't remotely ideal dwell. If you lose all focus on the notable tactical and logistical considerations (excess sound, excess flash, lost velocity & lethality, as well as putting the same suppressors designed for 14.5" barrels back when the MK18 was designed, onto barrels with 41% more muzzle pressure without redesigning the suppressors), you still have that one more illogical point, that the gas system wasn't redesigned for the 10.3" barrel, and there was literally documented replacement of 10" barrel XM177E1 with 11.5" E2's. That replacement of the shorter barrel occurred in an application that had a krinkov style function muzzle pressure dwell enhancing device (the XM177 Moderator) that the MK18 didn't have. It can't be assumed that operators were going to run the sound suppressor if it can be removed and is QD. The "Final Report on Product Improvement Test of Submachine Gun 5.56-mm, XM177E2" which was public released in 1978 is a significant document for insight into issues with the shorter barrel. Page 2: Conclusion (these points are a numbered list) Point 2: "Both the XM177E1 and XM177E2 weapons gave unsatisfactorily high malfunction rates in the low temperature fouling test, and both weapons demonstrated more severe fouling the operating mechanism with ball propellent than the IMR 8208M propellant." Point 3: "The XM177E2 weapons with chrome-plated chambers were superior to the XM177E1 weapons with regard to failure to extract stoppages." Those were the ones with the 11.5 inch barrels, the length of which were obviously the second engineering revision designed to render greater reliability to occur- the 11.5 had a .067 port, the 10" .072. On page 220 in "section III-1": "The product improved components of the test weapons were: Chrome-plated chambers, buffer, 1-1/2 inch increased barrel length..." |
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Posted: 8/21/2022 5:40:09 PM EDT
[#28]
Quote HistoryQuoted: And here I am rocking a 8” bren 2 in 5.56 and this oss suppressor Your goals are beyond their understanding. |
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Posted: 8/21/2022 5:45:15 PM EDT
[#29]
Quote HistoryQuoted: The 10.3" 5.56 AR is an abomination. The higher-ups that somehow thought it was a good idea to chop a 5.56 barrel that short, just to make it compact enough to move around ships, should have had someone stand up to them and say "no, sir. With all due respect, physics dictates we shouldn't go that short." But no. They didn't say that. Instead, they let it happen, and here we are. Friends don't let friends use MK18s hahahahahaha Jay PEW Science I was disappointed you followed the “wisdom of the crowd” with the Mk18 bandwagon. I understand it’s a popular abomination and now people are using your dosing metric from sound tests with it to benchmark suppressors for general 5.56 use. Meanwhile all over the web conventional wisdom is that 11.5” mid-gas 5.56 can’t work. Paraphrasing Ringo Starr, government turns to crap every barrel profile it touches. |
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Posted: 8/21/2022 6:02:16 PM EDT
[#30]
Quote HistoryQuoted: Your goals are beyond their understanding. Quote HistoryQuoted: Quoted: And here I am rocking a 8” bren 2 in 5.56 and this oss suppressor Your goals are beyond their understanding. Why not? Bren2 comes in that barrel length and I directly asked oss about it. They said to shoot it. After owning all other lengths of ARs it’s something different. And sounds pretty good too. |
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Posted: 8/21/2022 6:05:51 PM EDT
[#31]
Quote HistoryQuoted: Why not? Bren2 comes in that barrel length and I directly asked oss about it. They said to shoot it. After owning all other lengths of ARs it’s something different. And sounds pretty good too. Aside from noise, flash, and reduced velocity, there is no reason not to run a gun that will run reliably in 5.56mm. We have a 9.5" upper- it just has pistol gas, so that it doesn't have the issues of 10.3's. For the record I don't think it's a very serious barrel length, but I wouldn't want to be shot with one obviously, because it's still very dangerous- so "not as lethal" is a relative concept, and at short ranges you can change characteristics considerably with ammo selection. If you have a sound meter, running a 10.3" system like the HK416 is really impressively louder in peak ear sound than for example an 11.5" DI gun- it's several DB- like maybe 3 or so +-1 or so depending on which can. For 1.2", it unsells itself quickly. I saw that in several top tier silencers from different brands, so it was pretty much slaughtering silencer performance across the board. |
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Posted: 8/21/2022 6:40:05 PM EDT
[#32]
Quote HistoryQuoted: Aside from noise, flash, and reduced velocity, there is no reason not to run a gun that will run reliably in 5.56mm. We have a 9.5" upper- it just has pistol gas, so that it doesn't have the issues of 10.3's. For the record I don't think it's a very serious barrel length, but I wouldn't want to be shot with one obviously, because it's still very dangerous- so "not as lethal" is a relative concept, and at short ranges you can change characteristics considerably with ammo selection. If you have a sound meter, running a 10.3" system like the HK416 is really impressively louder in peak ear sound than for example an 11.5" DI gun- it's several DB- like maybe 3 or so +-1 or so depending on which can. For 1.2", it unsells itself quickly. I saw that in several top tier silencers from different brands, so it was pretty much slaughtering silencer performance across the board. Quote HistoryQuoted: Quoted: Why not? Bren2 comes in that barrel length and I directly asked oss about it. They said to shoot it. After owning all other lengths of ARs it’s something different. And sounds pretty good too. Aside from noise, flash, and reduced velocity, there is no reason not to run a gun that will run reliably in 5.56mm. We have a 9.5" upper- it just has pistol gas, so that it doesn't have the issues of 10.3's. For the record I don't think it's a very serious barrel length, but I wouldn't want to be shot with one obviously, because it's still very dangerous- so "not as lethal" is a relative concept, and at short ranges you can change characteristics considerably with ammo selection. If you have a sound meter, running a 10.3" system like the HK416 is really impressively louder in peak ear sound than for example an 11.5" DI gun- it's several DB- like maybe 3 or so +-1 or so depending on which can. For 1.2", it unsells itself quickly. I saw that in several top tier silencers from different brands, so it was pretty much slaughtering silencer performance across the board. I have three BK2209s. One of these days I’ll meter this bren2 setup I have. Doesn’t sound any worse then my 11.5 with sandman S. |
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Posted: 8/21/2022 6:46:16 PM EDT
[#33]
James Reeves made a joke about people who buy anything shorter than 11.5 not being able to read...can’t remember the delivery tho
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Posted: 8/21/2022 8:40:17 PM EDT
[#34]
Quote HistoryQuoted: I have three BK2209s. One of these days I’ll meter this bren2 setup I have. Doesn’t sound any worse then my 11.5 with sandman S. That's cool. Not too many people have 2209's. Are you with a company? 2209's are pretty cool. You just have to make sure and pull batteries and drop residual voltage to store. Those capacitors can get damaged if you don't. |
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Posted: 8/21/2022 8:52:53 PM EDT
[#35]
Quote HistoryQuoted: That's cool. Not too many people have 2209's. Are you with a company? 2209's are pretty cool. You just have to make sure and pull batteries and drop residual voltage to store. Those capacitors can get damaged if you don't. Quote HistoryQuoted: Quoted: I have three BK2209s. One of these days I’ll meter this bren2 setup I have. Doesn’t sound any worse then my 11.5 with sandman S. That's cool. Not too many people have 2209's. Are you with a company? 2209's are pretty cool. You just have to make sure and pull batteries and drop residual voltage to store. Those capacitors can get damaged if you don't. Yep I do it every time. Also have the calibrator that goes over the microphone. I’m not with any company. Just have a huge passion for Suppressors. Love the Science and form1 community too. I post most of My suppressor stuff on instagram. |
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Posted: 8/21/2022 8:55:37 PM EDT
[#36]
Quote HistoryQuoted: Yep I do it every time. Also have the calibrator that goes over the microphone. I’m not with any company. Just have a huge passion for Suppressors. Love the Science and form1 community too. I post most of My suppressor stuff on instagram. That's some awesome dedication to an interest. Really cool. |
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Posted: 8/22/2022 5:21:24 AM EDT
[#37]
Quote HistoryQuoted: Why not? Bren2 comes in that barrel length and I directly asked oss about it. They said to shoot it. After owning all other lengths of ARs it’s something different. And sounds pretty good too. I was joking when I made that statement. I personally don’t see anything wrong with short barrel 5.56 guns and my personal experience with 10.3 and 10.5 in guns has made them my preference. |
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Posted: 8/22/2022 5:31:24 AM EDT
[#38]
A lot of DoD meat eaters still putting in work with Mk18s, full-time suppressed. NT4s and SOCOMs, with the occasional other can (including OSS). Of course, the 11.5s exist now, also, part-time and full-time suppressed.
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Posted: 8/22/2022 8:24:12 AM EDT
[#39]
Quote HistoryQuoted: The 10.3" 5.56 AR is an abomination. The higher-ups that somehow thought it was a good idea to chop a 5.56 barrel that short, just to make it compact enough to move around ships, should have had someone stand up to them and say "no, sir. With all due respect, physics dictates we shouldn't go that short." But no. They didn't say that. Instead, they let it happen, and here we are. Friends don't let friends use MK18s hahahahahaha Jay PEW Science Any chance you'll ever try one of the same suppressors on an adjustable gas block 10.3" to see what is possible? For example, the Polonium does great at the muzzle but not-so-great at the ear in the MK18 test. It would be interesting to see what could be achieved at the ear by dialing the gas back, and also interesting to see what changes at the muzzle, if anything. |
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Posted: 8/22/2022 10:59:31 AM EDT
[#40]
Quote HistoryQuoted: Any chance you'll ever try one of the same suppressors on an adjustable gas block 10.3" to see what is possible? For example, the Polonium does great at the muzzle but not-so-great at the ear in the MK18 test. It would be interesting to see what could be achieved at the ear by dialing the gas back, and also interesting to see what changes at the muzzle, if anything. I second this. |
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Posted: 8/22/2022 11:21:56 AM EDT
[#41]
Quote HistoryQuoted: Any chance you'll ever try one of the same suppressors on an adjustable gas block 10.3" to see what is possible? For example, the Polonium does great at the muzzle but not-so-great at the ear in the MK18 test. It would be interesting to see what could be achieved at the ear by dialing the gas back, and also interesting to see what changes at the muzzle, if anything. For reproducibility he could use a dictator or riflespeed or something with distinct adjustments. “This is the result at position 2… position 3…” etc. |
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Posted: 8/22/2022 11:36:33 AM EDT
[#42]
I believe Jay has stated that he has an 11.5” Faxon mid gas that runs great, suppressed, with adjustable gas.
That would make for an educational comparison as well. |
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Posted: 8/25/2022 9:59:19 AM EDT
[#43]
For those with a Flow 556K on backorder, how long have you been waiting? If you are a lucky one to have one, how long was your wait? I ordered a Sierra 5 at SS and the wait is like 75+ days.... May just cancel and buy a Flow 556K. I'd assume the Flow 556K has a shorter backorder list.
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Posted: 8/25/2022 11:19:29 AM EDT
[#44]
Someone has posted a flash video on Reddit. 12.3" BA Hanson barrel, homebrew ammo of 62gr Hornady Match HP + 26ish grains CFE 223, indoor range with some lights turned off. It's clearly not flashless, but not bad. The shooter says he couldn't see it through the eyepiece of his SiOnyx Aurora.
I have found Reddit to be a good source for this type of thing, FYI. Edited for typo. |
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Posted: 8/25/2022 12:15:30 PM EDT
[#45]
Quote HistoryQuoted: Friends just wouldn't recommend friends use MK18's. ... engineering ... The (Army) "Final Report on Product Improvement Test of Submachine Gun 5.56-mm, XM177E2" which was public released in 1978 is a significant document for insight into issues with the shorter barrel. Would a 12.5 with mid-length gas solve a lot of problems, except maybe the desire for cool points and/or using carbine gas tubes?  |
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Posted: 8/25/2022 2:22:20 PM EDT
[#46]
Quote HistoryQuoted: Someone has posted a flash video on Reddit. 12.3" BA Hanson barrel, homebrew ammo of 62gr Hornady Match HP + 26ish grains CF@ 223, indoor range with some lights turned off. It's clearly not flashless, but not bad. The shooter says he couldn't see it through the eyepiece of his SiOnyx Aurora. I have found Reddit to be a good source for this type of thing, FYI. I’m not sure how it would pertain to flash, but that load is 200fps shy of M855. I load it as a mild bulk load, but with Hornady 62gr FMJs. Just a point of reference for those that don’t reload. A 12.3” with an A2 flash suppressor does OK with some ammo. I consider ~12.5” guns with closed-tine or short flash hider mounts passable for part-time suppressed use. |
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Posted: 9/1/2022 1:24:22 AM EDT
[#47]
The “white page” info sheets HuxWrx has lists the life expectancy of the FLOW at 10,000 rounds but the 556Ti at 20,000.
I wonder if the build quality between these 2 is that much different. I was pretty much set on the FLOW as my next can but may go Ti |
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Posted: 9/1/2022 8:37:06 AM EDT
[#48]
A question I have about all Huxwrx/OSS cans is how do they perform indoors or in confined spaces?
Knowing the cab is louder at the muzzle and down range, wouldn’t that noise reverberate off of the walls of an in closed area and negate how quiet the can is at the ear? |
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Posted: 9/1/2022 8:41:46 AM EDT
[#49]
Quote HistoryQuoted: The “white page” info sheets HuxWrx has lists the life expectancy of the FLOW at 10,000 rounds but the 556Ti at 20,000. I wonder if the build quality between these 2 is that much different. I was pretty much set on the FLOW as my next can but may go Ti 10k rounds? That's a deal breaker for me. |
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Posted: 9/1/2022 8:49:18 AM EDT
[#50]
Quote HistoryQuoted: The “white page” info sheets HuxWrx has lists the life expectancy of the FLOW at 10,000 rounds but the 556Ti at 20,000. I wonder if the build quality between these 2 is that much different. I was pretty much set on the FLOW as my next can but may go Ti I’m sure that’s not a hard limit (like it breaks at 10,001/20,001), but what do you do at that point? My impression is that you can’t repair the FLOW, but can the non-3D 556TI be rebuilt? |
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