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Posted: 6/26/2023 6:38:12 PM EDT
I browsed through the KAC website today and looked at the complete uppers offerings. The photo now shows this with a regular three prong flash hider on it vs. the brake and the barrel isn't showing the ball mill dimpling... The shape of things to come?
There is no description so who knows but I am sure that these changes would be cheaper and easier to lower the cost of manufacture w/o really affecting accuracy or service life. Anyone have any insight if this will be representative of the next batch of uppers? I have been waiting a little bit for this item... 
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IA, USA
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Posted: 6/26/2023 6:48:36 PM EDT
[#1]
If ball dimpling is slowing things down it’s not a good sign for the ks-1 rifles.
Hopefully just an incorrect picture. |
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Posted: 6/26/2023 7:37:37 PM EDT
[#2]
That's just an out dated photo.
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FL, USA
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Posted: 6/27/2023 10:55:17 AM EDT
[#3]
Quote HistoryOriginally Posted By PresampleDepot: That's just an out dated photo. Yup |
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Posted: 6/27/2023 6:58:32 PM EDT
[#4]
Thanks Jack
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Posted: 6/29/2023 12:22:33 PM EDT
[Last Edit: Marksman14]
[#5]
@Jack_L any suggestions on some readily available 6.5 ammo that these things tend to like? Just got the invoice today.
I have some Winchester 140 match and Hornady American gunner 140 that I picked up cheap a while ago. My RPR liked them well enough that I never snagged any “better” stuff. Any hints on where to start? |
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FL, USA
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Posted: 6/29/2023 3:49:41 PM EDT
[#6]
Quote HistoryOriginally Posted By Marksman14: @Jack_L any suggestions on some readily available 6.5 ammo that these things tend to like? Just got the invoice today. I have some Winchester 140 match and Hornady American gunner 140 that I picked up cheap a while ago. My RPR liked them well enough that I never snagged any “better” stuff. Any hints on where to start? Obviously not Jack, but I do recall him saying the 140 Bergers shot great in the previous 6.5CM thread (guess it archived?). Wonder how the FGMM loading of the 140 Berger shoots in comparison. |
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Posted: 6/29/2023 4:01:39 PM EDT
[#7]
Quote HistoryOriginally Posted By MK3110: Obviously not Jack, but I do recall him saying the 140 Bergers shot great in the previous 6.5CM thread (guess it archived?). Wonder how the FGMM loading of the 140 Berger shoots in comparison. Yeah, honestly I was hoping to find something that does well that is sub 2 per round but hey it is what it is. Maybe I’ll get lucky with what I have. |
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Posted: 6/30/2023 10:25:44 AM EDT
[#8]
I don't have a ton of rounds through my 22" upper yet, but the 140gr Berger hybrid bullets have been great. Both the Berger cartridge and the FGMM cartridge have cycled reliably and been consistently sub-MOA. It was pretty hard to find the Berger cartridges for a while, but now the FGMM cartridge seems to be readily available.
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Posted: 6/30/2023 11:01:47 AM EDT
[#9]
Quote HistoryOriginally Posted By jakjakman: I don't have a ton of rounds through my 22" upper yet, but the 140gr Berger hybrid bullets have been great. Both the Berger cartridge and the FGMM cartridge have cycled reliably and been consistently sub-MOA. It was pretty hard to find the Berger cartridges for a while, but now the FGMM cartridge seems to be readily available. Sounds good, I think I found a place for the FGMM thats a little less. Did any of you guys do any barrel break in for yours or just go shoot the thing? |
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FL, USA
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Posted: 6/30/2023 11:11:37 AM EDT
[#10]
Quote HistoryOriginally Posted By Marksman14: Sounds good, I think I found a place for the FGMM thats a little less. Did any of you guys do any barrel break in for yours or just go shoot the thing? I routinely see the FGMM for around $1.50/round. Haven’t come across the Berger loaded cartridge for under $2.00/round. |
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Posted: 6/30/2023 11:13:53 AM EDT
[Last Edit: Marksman14]
[#11]
Quote HistoryOriginally Posted By MK3110: I routinely see the FGMM for around $1.50/round. Haven’t come across the Berger loaded cartridge for under $2.00/round. Yeah, I found a place that sells 200 round cases for 339. Not great, not terrible. Its the 130 grain berger FGMM. Not sure if theres a certain weight I should be looking for. After doing some more looking, I found some place selling 140 berger FGMM for under 1.50 a round. If anyone can suggest which FGMM is preferred for this upper, Ill order some up! I can find the 130, 140 SMK and 140 Berger. The 140's are cheaper from the vendors I found. |
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USA
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Posted: 6/30/2023 12:50:18 PM EDT
[#12]
Quote HistoryOriginally Posted By Marksman14: Sounds good, I think I found a place for the FGMM thats a little less. Did any of you guys do any barrel break in for yours or just go shoot the thing? There was a thread a while back about this. I think I recall Jack saying it can’t hurt anything. Long as you don’t go crazy obviously. I really feel it comes down to personal preference though, as I doubt you’re going to find anything universally agreed upon. I picked up a .308 CC a few days ago and just gave it a real light cleaning, and put 100 rounds down range. Then cleaned lightly when I got home again. Dang thing was shooting little ragged holes with PMC. Blew me away. |
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Posted: 6/30/2023 12:57:31 PM EDT
[#13]
Quote HistoryOriginally Posted By AndysAR15name: There was a thread a while back about this. I think I recall Jack saying it can’t hurt anything. Long as you don’t go crazy obviously. I really feel it comes down to personal preference though, as I doubt you’re going to find anything universally agreed upon. I picked up a .308 CC a few days ago and just gave it a real light cleaning, and put 100 rounds down range. Then cleaned lightly when I got home again. Dang thing was shooting little ragged holes with PMC. Blew me away. Yeah, I will probably shoot a few rounds and see how much copper I pull. I still have no idea which way I go, but I've always done a few shoot clean cycles on stainless barrels. I've never had one that wasn't a shooter. Of course, this probably has nothing to do with the break in, but thats all I can say from my limited stainless experience, in that I have no f'in clue. Just excited to be back in the SR25 game. |
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USA
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Posted: 6/30/2023 1:30:19 PM EDT
[Last Edit: AndysAR15name]
[#14]
Quote HistoryOriginally Posted By Marksman14: Yeah, I will probably shoot a few rounds and see how much copper I pull. I still have no idea which way I go, but I've always done a few shoot clean cycles on stainless barrels. I've never had one that wasn't a shooter. Of course, this probably has nothing to do with the break in, but thats all I can say from my limited stainless experience, in that I have no f'in clue. Just excited to be back in the SR25 game. Yeah I think when you drop this much on an upper, it makes sense to take your time to follow the method that’s worked for you in the past. One other thing of note, they did an excellent job with the gassing on mine. I detest over-gassed rifles, and it is truly gassed to run suppressed, which I am thankful for after this long of a wait. It handles like a small frame. And ran like a watch with a Sandman and stock KAC buffer/spring. So my hats off to KAC. |
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Posted: 7/2/2023 1:04:49 PM EDT
[#15]
Anyone at all with any ammo suggestions? At this point I may just order the FGMM 140 berger.
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Posted: 7/2/2023 2:11:00 PM EDT
[#16]
140 grain Bergers in both the 22" and 14.5" are some of the best factory ammo you can use imo.
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Posted: 7/2/2023 2:34:06 PM EDT
[#17]
Quote HistoryOriginally Posted By PresampleDepot: 140 grain Bergers in both the 22" and 14.5" are some of the best factory ammo you can use imo. Roger that. 400 rounds on the way. |
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Posted: 7/2/2023 8:34:06 PM EDT
[Last Edit: bleaman225]
[#18]
Generally speaking the Berger 140gr Hybrid bullet is terrific.
The loading itself can vary in a bunch of ways that can cause differing end results. I’ve never shot 140 Berger FGMM. I had bad experiences with inconsistent velocity in 130 gr FGMM. All of the Berger 140 Hybrid Target factory ammo I’ve shot has been stellar. Berger 144 LRHT has also shot very well. I have 1,000 rounds of XM1200 that I’m about to see whether it sucks or not. |
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FL, USA
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Posted: 7/2/2023 8:52:38 PM EDT
[#19]
Quote HistoryOriginally Posted By bleaman225: Generally speaking the Berger 140gr Hybrid bullet is terrific. The loading itself can vary in a bunch of ways that can cause differing end results. I’ve never shot 140 Berger FGMM. I had bad experiences with inconsistent velocity in 130 gr FGMM. All of the Berger 140 Hybrid Target factory ammo I’ve shot has been stellar. Berger 144 LRHT has also shot very well. I have 1,000 rounds of XM1200 that I’m about to see whether it sucks or not. Is the XM1200 the 147 TAP load? |
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Posted: 7/3/2023 12:34:07 PM EDT
[Last Edit: SniperZC13]
[#20]
Maybe not the cool kid stuff, but I have used the Freedom munitions 140 in some of my 6.5 gas stuff. No issues to report. It shoots as well as I do and it's running 1.10 a round. The Berger is mo betta, but for plinking, $.90 a round savings is a plus in my book.
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Posted: 7/3/2023 10:54:27 PM EDT
[#21]
Quote HistoryOriginally Posted By MK3110: Is the XM1200 the 147 TAP load? @MK3110 it’s 140gr Berger |
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FL, USA
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Posted: 7/7/2023 12:23:29 PM EDT
[#22]
Quote HistoryOriginally Posted By Marksman14: @Jack_L any suggestions on some readily available 6.5 ammo that these things tend to like? Just got the invoice today. I have some Winchester 140 match and Hornady American gunner 140 that I picked up cheap a while ago. My RPR liked them well enough that I never snagged any “better” stuff. Any hints on where to start? I have had very good results with the 140gr AR Hybrid loaded by Berger. Buddy of mine has made a 135gr A-Tip load that is simply spectacular in my rifles. I actually had pretty good performance with the Hornady American gunner stuff, but the last time I really shot that was about 3 years ago. The Hornady black was surprisingly good. I didn't have much luck with the Federal loaded ammo, but the last time I shot that was about 3 years ago as well, they very well could have improved on what I was seeing. Winchester has been ok, but not as good as Berger. Break-in: I have gotten the longest barrel life with the following break-in and cleaning regimen with the 416R 6.5s: Shoot 1 and clean to bare steel. Repeat for 20 rounds or so, watching for how quickly the bore cleans, groups, and MV if you can. Shoot 5 and clean to bare steel, repeat 5 times, watching for the same things if possible. By the final group minimal carbon fouling should be evident after the first patch or two, group centers will stabilize, and muzzle velocities should be more consistent. Shoot 10 and clean to bare steel, for 5-10 groups. By the final group, minimal carbon fouling should be evident after the first patch or two, group centers will stabilize, and muzzle velocity should be consistent across multiple groups. Watch groups and note deviation of the first few rounds from the group center. If after 10 groups, a “flier” (one or more shots that land more than 1 MOA outside of the group center) is consistently apparent in the last 3 groups, go back to Step 1 and repeat the process. Sorry for the way late response to this, just saw that this tab was open and unsubmitted. |
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Posted: 7/7/2023 7:46:45 PM EDT
[#23]
Quote HistoryOriginally Posted By Jack_L: I have had very good results with the 140gr AR Hybrid loaded by Berger. Buddy of mine has made a 135gr A-Tip load that is simply spectacular in my rifles. I actually had pretty good performance with the Hornady American gunner stuff, but the last time I really shot that was about 3 years ago. The Hornady black was surprisingly good. I didn't have much luck with the Federal loaded ammo, but the last time I shot that was about 3 years ago as well, they very well could have improved on what I was seeing. Winchester has been ok, but not as good as Berger. Break-in: I have gotten the longest barrel life with the following break-in and cleaning regimen with the 416R 6.5s: Shoot 1 and clean to bare steel. Repeat for 20 rounds or so, watching for how quickly the bore cleans, groups, and MV if you can. Shoot 5 and clean to bare steel, repeat 5 times, watching for the same things if possible. By the final group minimal carbon fouling should be evident after the first patch or two, group centers will stabilize, and muzzle velocities should be more consistent. Shoot 10 and clean to bare steel, for 5-10 groups. By the final group, minimal carbon fouling should be evident after the first patch or two, group centers will stabilize, and muzzle velocity should be consistent across multiple groups. Watch groups and note deviation of the first few rounds from the group center. If after 10 groups, a “flier” (one or more shots that land more than 1 MOA outside of the group center) is consistently apparent in the last 3 groups, go back to Step 1 and repeat the process. Sorry for the way late response to this, just saw that this tab was open and unsubmitted. Awesome thank you sir. Can’t wait to get this thing out. |
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Posted: 7/8/2023 9:32:26 AM EDT
[#24]
PSD sent me an e-mail they were in stock this AM...
gone in seconds...
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Posted: 7/8/2023 2:06:26 PM EDT
[#25]
Quote HistoryOriginally Posted By heron163: PSD sent me an e-mail they were in stock this AM... gone in seconds... 22" Uppers were in stock? Or another length? |
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Posted: 7/8/2023 7:54:44 PM EDT
[#26]
22" uppers
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USA
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Posted: 7/9/2023 4:19:29 AM EDT
[#27]
They had some Friday around 5pm eastern, gone when I checked ~10-15 minutes later.
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Posted: 7/11/2023 12:29:00 AM EDT
[#28]
Quote HistoryOriginally Posted By Embittered: They had some Friday around 5pm eastern, gone when I checked ~10-15 minutes later. Surprised I didn't get the mass e-mail as I'm signed up for their e-mail blast. Either way, 22" isn't what I'm after...if it was a 14.5" 6.5, I might have cried. |
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USA
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Posted: 7/16/2023 6:50:45 PM EDT
[#29]
For fucks sake how much Rocksett does KAC douse these with at assembly time 😂
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Posted: 7/16/2023 8:46:37 PM EDT
[#30]
Quote HistoryOriginally Posted By Embittered: For fucks sake how much Rocksett does KAC douse these with at assembly time 😂 All of it. |
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FL, USA
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Posted: 7/19/2023 2:18:29 PM EDT
[#31]
Quote HistoryOriginally Posted By Embittered: For fucks sake how much Rocksett does KAC douse these with at assembly time 😂 It's how we let you know to not take them off. 
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OK, USA
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Posted: 7/19/2023 4:13:47 PM EDT
[#32]
Breaking in barrels is dumb
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TX, USA
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Posted: 7/19/2023 4:15:33 PM EDT
[#33]
this tbh
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MP, USA
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Posted: 7/19/2023 6:08:29 PM EDT
[#34]
Quote HistoryOriginally Posted By Jack_L: It's how we let you know to not take them off. Outstanding. Very well done. |
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Posted: 7/19/2023 8:02:27 PM EDT
[#35]
Quote HistoryOriginally Posted By Jack_L: It's how we let you know to not take them off.  Attached File |
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USA
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Posted: 7/20/2023 12:39:41 AM EDT
[#36]
Quote HistoryOriginally Posted By Jack_L: It's how we let you know to not take them off. Keep talking like that and I’ll rethread this bitch something useful like 5/8x24
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FL, USA
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Posted: 7/20/2023 2:43:39 PM EDT
[#37]
Quote HistoryOriginally Posted By Embittered: Keep talking like that and I’ll rethread this bitch something useful like 5/8x24 Left-hand |
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OH, USA
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Posted: 9/9/2023 8:46:54 AM EDT
[Last Edit: DustyHeaters]
[#38]
Jack,
I wanted to take the time to thank you for sharing your knowledge and experience with us. I followed your break-in procedure to a T and had to split things up over the course of a couple days as cleaning to bare steel is tedious! However, 500 rounds later, I couldn’t be happier with the result. I am on the ‘through’ side of the cleaning schedule scale; opting to clean the bore to a mirror shine, decopper, and remove carbon ring(s) after each shoot - validating with a bore scope. Post break in, effort/time is halved to achieve that result… Which amounts to a 6-10 patches and two rounds of brushing - it takes about 10 minutes. I tried to get my hands on the Berger 140’s that you mentioned but so far they’ve alluded me. I did however find some 130’s and the result is below:  I’m still in the ammo testing phase and thus far I’ve run the following at 100yd from a bench (bipod & rear bag): • FGMM 140gr SMK • FGMM 140gr Berger • Hornady 140gr ELD Match • Hornady 143gr ELD-X • Berger 130gr • Berger 135gr All of them have yielded pretty consistent .5-.75moa, but the Berger 130’s were markedly tighter in aggregate. |
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Posted: 9/9/2023 9:19:54 AM EDT
[#39]
Quote HistoryOriginally Posted By DustyHeaters: Jack, I wanted to take the time to thank you for sharing your knowledge and experience with us. I followed your break-in procedure to a T and had to split things up over the course of a couple days as cleaning to bare steel is tedious! However, 500 rounds later, I couldn’t be happier with the result. I am on the ‘through’ side of the cleaning schedule scale; opting to clean the bore to a mirror shine, decopper, and remove carbon ring(s) after each shoot - validating with a bore scope. Post break in, effort/time is halved to achieve that result… Which amounts to a 6-10 patches and two rounds of brushing - it takes about 10 minutes. I tried to get my hands on the Berger 140’s that you mentioned but so far they’ve alluded me. I did however find some 130’s and the result is below: https://imgur.com/a/NUwMIuA I’m still in the ammo testing phase and thus far I’ve run the following at 100yd from a bench (bipod & rear bag): • FGMM 140gr SMK • FGMM 140gr Berger • Hornady 140gr ELD Match • Hornady 143gr ELD-X • Berger 130gr • Berger 135gr All of them have yielded pretty consistent .5-.75moa, but the Berger 130’s were markedly tighter in aggregate. Fuck me sideways, you're right about this. Im not even half way through my break in. |
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Posted: 9/9/2023 10:10:20 PM EDT
[#40]
@DustyHeaters can clean a gun. I’ve seen it.
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FL, USA
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Posted: 9/10/2023 11:28:24 AM EDT
[Last Edit: Jack_L]
[#41]
Quote HistoryOriginally Posted By DustyHeaters: Jack, I wanted to take the time to thank you for sharing your knowledge and experience with us. I followed your break-in procedure to a T and had to split things up over the course of a couple days as cleaning to bare steel is tedious! However, 500 rounds later, I couldn’t be happier with the result. I am on the ‘through’ side of the cleaning schedule scale; opting to clean the bore to a mirror shine, decopper, and remove carbon ring(s) after each shoot - validating with a bore scope. Post break in, effort/time is halved to achieve that result… Which amounts to a 6-10 patches and two rounds of brushing - it takes about 10 minutes. I tried to get my hands on the Berger 140’s that you mentioned but so far they’ve alluded me. I did however find some 130’s and the result is below: https://imgur.com/a/NUwMIuA I’m still in the ammo testing phase and thus far I’ve run the following at 100yd from a bench (bipod & rear bag): • FGMM 140gr SMK • FGMM 140gr Berger • Hornady 140gr ELD Match • Hornady 143gr ELD-X • Berger 130gr • Berger 135gr All of them have yielded pretty consistent .5-.75moa, but the Berger 130’s were markedly tighter in aggregate. Good shooting dude! Putting in the work at the beginning makes things better over the long run. |
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Posted: 2/26/2024 7:41:22 PM EDT
[#42]
Just curious if anyone was able to pick up any info at SHOT, rumors or otherwise, abut release plans for the 14.5" 6.5CM uppers this year.
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Posted: 2/27/2024 12:03:07 PM EDT
[#43]
Quote HistoryOriginally Posted By jakjakman: Just curious if anyone was able to pick up any info at SHOT, rumors or otherwise, abut release plans for the 14.5" 6.5CM uppers this year. Could have sworn I heard "Spring" this year, but I could be wrong. The real challenge is going to be finding one in stock anywhere before they're completely sold out in 30 seconds and 75% of them are resold on gunbroker for a 50% markup. I just hope they're going to be made on a consistent basis so that price gouging scalping BS doesn't last forever. |
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Posted: 2/28/2024 1:55:36 PM EDT
[#44]
Quote HistoryOriginally Posted By Marksman14: @Jack_L any suggestions on some readily available 6.5 ammo that these things tend to like? Just got the invoice today. I have some Winchester 140 match and Hornady American gunner 140 that I picked up cheap a while ago. My RPR liked them well enough that I never snagged any “better” stuff. Any hints on where to start? Berger 140g Hybrid has been excellent in my 14.5” |
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