User Panel
User Panel
User Panel
FL, USA
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Posted: 6/8/2023 12:14:36 PM EDT
[Last Edit: amphibian]
Created this thread for feedback on this new system.
I haven't seen any first hand reports on it. I ordered one on 6/7 with no tracking info yet. Please check in with any first hand deliveries or testing feedback https://maximdefense.com/product/244978/  |
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Posted: 7/10/2023 8:14:23 PM EDT
[#1]
We need an electrically delayed blowback buffer.
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Posted: 7/10/2023 8:25:44 PM EDT
[#2]
Quote HistoryOriginally Posted By backbencher: We need an electrically delayed blowback buffer. Here you go. 
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Posted: 7/10/2023 11:06:43 PM EDT
[#3]
Quote HistoryOriginally Posted By November5: Here you go. https://www.ar15.com/media/mediaFiles/173129/IMG_0344-2881333.jpg Quote HistoryOriginally Posted By November5: Originally Posted By backbencher: We need an electrically delayed blowback buffer. Here you go. https://www.ar15.com/media/mediaFiles/173129/IMG_0344-2881333.jpg Cheekweld? This is the future! No one has cheeks in the future! Fascinating. What is it - and how on earth does it feed at a 30 degree angle? |
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USA
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Posted: 7/11/2023 12:24:12 AM EDT
[#4]
Hope to see more reviews related to suppression…
I have a 6” Stern SBR setup. 8” handguard which only runs my Dead Air Odessa (full length). Using the 11 ounce AR Stoner buffer. Would love to cut the weight out of the buffer and bolt, but would want better sound performance. Recoil is not a huge deal… but spending $200 for a buffer setup needs to have some positive results. |
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Posted: 7/11/2023 5:29:56 AM EDT
[#5]
Quote HistoryOriginally Posted By backbencher: Cheekweld? This is the future! No one has cheeks in the future! Fascinating. What is it - and how on earth does it feed at a 30 degree angle? Quote HistoryOriginally Posted By backbencher: Originally Posted By November5: Originally Posted By backbencher: We need an electrically delayed blowback buffer. Here you go. https://www.ar15.com/media/mediaFiles/173129/IMG_0344-2881333.jpg Cheekweld? This is the future! No one has cheeks in the future! Fascinating. What is it - and how on earth does it feed at a 30 degree angle? |
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MI, USA
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Posted: 7/11/2023 10:22:15 AM EDT
[#6]
Quote HistoryOriginally Posted By backbencher: We need an electrically delayed blowback buffer. Been tried at least a few times. There's been more success with the reverse - the rail gun. MHO, YMMV, etc. |
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Posted: 7/11/2023 11:30:33 AM EDT
[#7]
Quote HistoryOriginally Posted By November5: Bushman IDW. The front mag is just a spare. It was electronically regulated, user could select rates of fire from 200 to 400 rpm. Or with the regulator turned off rate of fire was 1,400 rpm. It was available in 9mm, 10mm, and .41 AE. Quote HistoryOriginally Posted By November5: Originally Posted By backbencher: Originally Posted By November5: Originally Posted By backbencher: We need an electrically delayed blowback buffer. Here you go. https://www.ar15.com/media/mediaFiles/173129/IMG_0344-2881333.jpg Cheekweld? This is the future! No one has cheeks in the future! Fascinating. What is it - and how on earth does it feed at a 30 degree angle? Bushman IDW. The front mag is just a spare. It was electronically regulated, user could select rates of fire from 200 to 400 rpm. Or with the regulator turned off rate of fire was 1,400 rpm. It was available in 9mm, 10mm, and .41 AE. Sounds like a electronically controlled hydraulic cyclic rate reducer, not sure if it was electronically delayed blowback b/c apparently it would run fine @ 1400 rpm w/ the system switched off. |
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Posted: 7/13/2023 9:57:02 AM EDT
[Last Edit: gotigers]
[#8]
Any updates of note for this?
How does it work with 115gr? Any issues showing up? How quick is MD getting parts shipped? |
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FL, USA
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Posted: 7/13/2023 10:59:15 AM EDT
[#9]
I ordered one about 4 days ago and haven't received any shipping information. I believe they even have a note on their site saying it could take a couple weeks. They must be selling well, which is good.
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Posted: 7/13/2023 11:37:03 AM EDT
[#10]
Does anyone with the CQB length Maxim RDS know if it will work in a LWRC ultra compact buffer tube?
I already have a couple of the LWRC stocks and the lengths are similar, but both companies only published their stocks outside overall dimensions: 5.35” for the Maxim CQB and 5.75” for the LWRC UCIW |
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Posted: 7/13/2023 12:05:02 PM EDT
[#11]
does the carbine length need a 9mm buffer plug?
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Posted: 7/13/2023 1:42:19 PM EDT
[#12]
Quote HistoryOriginally Posted By gotigers: does the carbine length need a 9mm buffer plug? No |
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FL, USA
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Posted: 7/14/2023 12:07:21 PM EDT
[#13]
Assuming it isn't storming Sunday afternoon, I plan on testing two more things with the Maxim RDB.
1) using in conjunction with my CMMG RDB 2) mess with the preload if it makes any difference in suppression. On a somewhat related note, I posted here: https://www.ar15.com/forums/industry/Bearing-Delay-Upper-Receiver-Assembly-updates-information-and-resources/817-303326/?r=-1&page=2&anc=4202208#i4202208 that I was just called for my remaining payment on the MEAN Arms bearing delay. I was told 10 days out till I receive mine! |
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FL, USA
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Posted: 7/15/2023 11:02:48 AM EDT
[#14]
Thats great Amphibian! I cannot wait to read your write up on it.
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Posted: 7/15/2023 5:57:21 PM EDT
[#15]
Quote HistoryOriginally Posted By amphibian: Assuming it isn't storming Sunday afternoon, I plan on testing two more things with the Maxim RDB. 1) using in conjunction with my CMMG RDB 2) mess with the preload if it makes any difference in suppression. On a somewhat related note, I posted here: https://www.ar15.com/forums/industry/Bearing-Delay-Upper-Receiver-Assembly-updates-information-and-resources/817-303326/?r=-1&page=2&anc=4202208#i4202208 that I was just called for my remaining payment on the MEAN Arms bearing delay. I was told 10 days out till I receive mine! Likewise will be looking forward to hearing your findings. This was a bad week for me - couldn't get to the range to run any tests. |
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FL, USA
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Posted: 7/16/2023 4:40:14 PM EDT
[Last Edit: amphibian]
[#16]
Testing of my CMMG RDB + the Maxim RDB here:
 Maxim RDB +CMMG RDB Regarding the pre-load vs non-preload. In regards to sound suppression no difference both relatively loud compared to a tuned straight blowback 9mm AR, CMMG RDB or MP5. Here are some vids on that:  Maxim RDB Custom With Preload Suppressed  Maxim RDB Custom No Preload suppressed |
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Posted: 7/16/2023 4:44:48 PM EDT
[#17]
Quote HistoryOriginally Posted By amphibian: Testing of my CMMG RDB + the Maxim RDB here:  https://www.youtube.com/watch?v=FI5LMEszpxMRegarding the pre-load vs non-preload. In regards to sound suppression no difference both relatively loud compared to a tuned straight blowback 9mm AR, CMMG RDB or MP5. Here are some vids on that: https://www.youtube.com/watch?v=1z2oTgwGhQc https://www.youtube.com/watch?v=MysSH7Z1Nzc |
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FL, USA
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Posted: 7/17/2023 6:36:14 AM EDT
[Last Edit: amphibian]
[#18]
Quote HistoryOriginally Posted By November5: It's definitely opening up faster with the Maxim. You can see a lot more gas coming out the ejection port than you do with the CMMG. Quote HistoryOriginally Posted By November5: Originally Posted By amphibian: Testing of my CMMG RDB + the Maxim RDB here: https://www.youtube.com/watch?v=FI5LMEszpxMRegarding the pre-load vs non-preload. In regards to sound suppression no difference both relatively loud compared to a tuned straight blowback 9mm AR, CMMG RDB or MP5. Here are some vids on that: https://www.youtube.com/watch?v=1z2oTgwGhQc https://www.youtube.com/watch?v=MysSH7Z1NzcI don't think I posted a video in this thread of just the CMMG RDB unless you looked at my website or Youtube to find my CMMG RDB videos. I didn't do CMMG RDB video yesterday. Would really need to see one done around the same time under the same lighting conditions. Here is one I did another day and you can see a lot of gas at this time in the afternoon and where the camera is positioned.  Tuned 9mm CMMG RDB Here is another one that is suppressed taken with an older Casio camera that can do 960FPS also but like VHS quality resolution.  8" 9mm CMMG RDB, mod'd 5.45 bolt, suppressed, fixed ejector RB5007 Also note that since the Maxim RDB is designed to drop in a straight blowback configuration, it will short stroke the BCG with the CMMG RDB system. The custom .52" bumper I made allows only about 1/8" past the BHO. If I used the stock bumper it won't go back far enough for the BHO to enage. If I were to play with it more, I'd probably cut it down to .50" or so to get close to what you would get with a standard lower configuration. I have also posted many times that I was never impressed with the recoil impulse of a stock 9mm CMMG RDB configuration, hence why I am running a .40SW bolt with less aggressive angles for running 9mm and a custom barrel. I think based on my testing yesterday, a stock 9mm CMMG RDB may work with the Maxim RDB but of course I didn't bring my stock setup with me yesterday. |
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Posted: 7/17/2023 4:15:49 PM EDT
[#19]
Quote HistoryOriginally Posted By amphibian: Testing of my CMMG RDB + the Maxim RDB here: https://www.youtube.com/watch?v=FI5LMEszpxMRegarding the pre-load vs non-preload. In regards to sound suppression no difference both relatively loud compared to a tuned straight blowback 9mm AR, CMMG RDB or MP5. Here are some vids on that: https://www.youtube.com/watch?v=JyxYnO5w-Bg https://www.youtube.com/watch?v=MysSH7Z1NzcThank you for testing that. How smooth did the CMMG/RDB mashup feel? |
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Posted: 7/17/2023 4:38:33 PM EDT
[#20]
Quote HistoryOriginally Posted By amphibian: I'm not sure you noticed but the 'CMMG' video I posted above was combining the CMMG RDB with the Maxim RDB. I don't think I posted a video in this thread of just the CMMG RDB unless you looked at my website or Youtube to find my CMMG RDB videos. I didn't do CMMG RDB video yesterday. Would really need to see one done around the same time under the same lighting conditions. Here is one I did another day and you can see a lot of gas at this time in the afternoon and where the camera is positioned. https://www.youtube.com/watch?v=ixZTmH0jW_UHere is another one that is suppressed taken with an older Casio camera that can do 960FPS also but like VHS quality resolution. https://www.youtube.com/watch?v=bNRIuQpmincAlso note that since the Maxim RDB is designed to drop in a straight blowback configuration, it will short stroke the BCG with the CMMG RDB system. The custom .52" bumper I made allows only about 1/8" past the BHO. If I used the stock bumper it won't go back far enough for the BHO to enage. If I were to play with it more, I'd probably cut it down to .50" or so to get close to what you would get with a standard lower configuration. I have also posted many times that I was never impressed with the recoil impulse of a stock 9mm CMMG RDB configuration, hence why I am running a .40SW bolt with less aggressive angles for running 9mm and a custom barrel. I think based on my testing yesterday, a stock 9mm CMMG RDB may work with the Maxim RDB but of course I didn't bring my stock setup with me yesterday. Quote HistoryOriginally Posted By amphibian: Originally Posted By November5: Originally Posted By amphibian: Testing of my CMMG RDB + the Maxim RDB here: https://www.youtube.com/watch?v=FI5LMEszpxMRegarding the pre-load vs non-preload. In regards to sound suppression no difference both relatively loud compared to a tuned straight blowback 9mm AR, CMMG RDB or MP5. Here are some vids on that: https://www.youtube.com/watch?v=1z2oTgwGhQc https://www.youtube.com/watch?v=MysSH7Z1NzcI don't think I posted a video in this thread of just the CMMG RDB unless you looked at my website or Youtube to find my CMMG RDB videos. I didn't do CMMG RDB video yesterday. Would really need to see one done around the same time under the same lighting conditions. Here is one I did another day and you can see a lot of gas at this time in the afternoon and where the camera is positioned. https://www.youtube.com/watch?v=ixZTmH0jW_UHere is another one that is suppressed taken with an older Casio camera that can do 960FPS also but like VHS quality resolution. https://www.youtube.com/watch?v=bNRIuQpmincAlso note that since the Maxim RDB is designed to drop in a straight blowback configuration, it will short stroke the BCG with the CMMG RDB system. The custom .52" bumper I made allows only about 1/8" past the BHO. If I used the stock bumper it won't go back far enough for the BHO to enage. If I were to play with it more, I'd probably cut it down to .50" or so to get close to what you would get with a standard lower configuration. I have also posted many times that I was never impressed with the recoil impulse of a stock 9mm CMMG RDB configuration, hence why I am running a .40SW bolt with less aggressive angles for running 9mm and a custom barrel. I think based on my testing yesterday, a stock 9mm CMMG RDB may work with the Maxim RDB but of course I didn't bring my stock setup with me yesterday. |
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FL, USA
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Posted: 7/17/2023 4:55:17 PM EDT
[#21]
Quote HistoryOriginally Posted By backbencher: Thank you for testing that. How smooth did the CMMG/RDB mashup feel? Quote HistoryOriginally Posted By backbencher: Originally Posted By amphibian: Testing of my CMMG RDB + the Maxim RDB here: https://www.youtube.com/watch?v=FI5LMEszpxMRegarding the pre-load vs non-preload. In regards to sound suppression no difference both relatively loud compared to a tuned straight blowback 9mm AR, CMMG RDB or MP5. Here are some vids on that: https://www.youtube.com/watch?v=JyxYnO5w-Bg https://www.youtube.com/watch?v=MysSH7Z1NzcThank you for testing that. How smooth did the CMMG/RDB mashup feel? I am going to modify my custom bumper to make it a little shorter to allow a little more distance for the BHO to enage and test again with my stock 9mm CMMG RDB which has a higher recoil impulse than my tuned one and see if it works. |
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Posted: 7/17/2023 7:56:40 PM EDT
[#22]
Shall we add long stroke piston gas-delay next?
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Posted: 7/17/2023 8:11:24 PM EDT
[#23]
Quote HistoryOriginally Posted By backbencher: Shall we add long stroke piston gas-delay next? |
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Posted: 7/17/2023 8:59:08 PM EDT
[#24]
Quote HistoryOriginally Posted By November5: What? Quote HistoryOriginally Posted By November5: Originally Posted By backbencher: Shall we add long stroke piston gas-delay next? What? Replace the charging handle nub w/ a long thin piston rod, put a piston on it ahead of the gas port, make a radial/gas/roller-delayed blowback.
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WI, USA
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Posted: 7/17/2023 10:24:13 PM EDT
[Last Edit: PreacherOfGadget]
[#25]
This is a really informative thread. Thanks for all the sharing. I had been considering a CMMG bolt+barrel, but I really am having trouble justifying building another 9mm upper right now. I think I can talk manage to talk myself into this within a few weeks. And the two guns it could go in are both side chargers, so I like the idea in that regard.
Quote HistoryOriginally Posted By backbencher: Shall we add long stroke piston gas-delay next? Since I'm relatively new here, could you just tell me what kinda success rate you have with these brilliant ideas? So, what, some sort of long, twisty gas tube to spin around the barrel a half dozen times before it powers the piston? How does one delay gas besides clenching their cheeks? ETA: Apparently I was typing as you were. Guess there's more than one way to read "long stroke piston gas-delay" |
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Posted: 7/17/2023 11:14:32 PM EDT
[#26]
Quote HistoryOriginally Posted By PreacherOfGadget: This is a really informative thread. Thanks for all the sharing. I had been considering a CMMG bolt+barrel, but I really am having trouble justifying building another 9mm upper right now. I think I can talk manage to talk myself into this within a few weeks. And the two guns it could go in are both side chargers, so I like the idea in that regard. Since I'm relatively new here, could you just tell me what kinda success rate you have with these brilliant ideas? So, what, some sort of long, twisty gas tube to spin around the barrel a half dozen times before it powers the piston? How does one delay gas besides clenching their cheeks? ETA: Apparently I was typing as you were. Guess there's more than one way to read "long stroke piston gas-delay" Quote HistoryOriginally Posted By PreacherOfGadget: This is a really informative thread. Thanks for all the sharing. I had been considering a CMMG bolt+barrel, but I really am having trouble justifying building another 9mm upper right now. I think I can talk manage to talk myself into this within a few weeks. And the two guns it could go in are both side chargers, so I like the idea in that regard. Originally Posted By backbencher: Shall we add long stroke piston gas-delay next? Since I'm relatively new here, could you just tell me what kinda success rate you have with these brilliant ideas? So, what, some sort of long, twisty gas tube to spin around the barrel a half dozen times before it powers the piston? How does one delay gas besides clenching their cheeks? ETA: Apparently I was typing as you were. Guess there's more than one way to read "long stroke piston gas-delay" 1) 27" pencil bbl w/ rifle + 3" gas - took pulling all the weights out of the buffer and a low-mass steel carrier to make it work. 2) Lyndon in 5.7x28mm - One ugly cut w/ a hacksaw off the back of a trigger jig, a Hera Arms thumbhole stock, and an AR 57 upper, and the damn thing ran for 300 rounds before I sold the upper. No jams. 3) Lego AR stock - took it til the Mk 8 before it could handle 3" 12 ga 00 buck recoil from an 870. I was thinking gas-delay blowback a la the HK P7 & the Walther CCP. Given amphibian's mashup of the RDB & the CMMG doesn't run for more than 3 rounds, adding gas delay probably isn't going to help.
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Posted: 7/18/2023 4:49:31 AM EDT
[#27]
Quote HistoryOriginally Posted By backbencher: Replace the charging handle nub w/ a long thin piston rod, put a piston on it ahead of the gas port, make a radial/gas/roller-delayed blowback. Quote HistoryOriginally Posted By backbencher: Originally Posted By November5: Originally Posted By backbencher: Shall we add long stroke piston gas-delay next? What? Replace the charging handle nub w/ a long thin piston rod, put a piston on it ahead of the gas port, make a radial/gas/roller-delayed blowback. |
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FL, USA
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Posted: 7/18/2023 7:31:10 AM EDT
[Last Edit: amphibian]
[#28]
Quote HistoryOriginally Posted By November5: Gas delayed blowback kind of sucks. And your gas port needs to be directly in front of the chamber, otherwise the delay is too late. And that's kind of difficult to do on an AR9, since your gas port would have to be in the area of the barrel extension, upper receiver threads, and barrel nut. Quote HistoryOriginally Posted By November5: Originally Posted By backbencher: Originally Posted By November5: Originally Posted By backbencher: Shall we add long stroke piston gas-delay next? What? Replace the charging handle nub w/ a long thin piston rod, put a piston on it ahead of the gas port, make a radial/gas/roller-delayed blowback. I also had a SIG MPX post sample that I tried all different things to suppress and it was still gassy and loud. Nobody has been successful making a gas operated 9mm AR either (to run factory ammo). I know RMW Extreme sold some with the caveat that you must use specific handloads or it won't run. I have a friend with one and he says it is super soft shooting but concurs it gets fouled so bad that you can forget about using it in a match as it will most likely choke on a single stage. Maybe there is a way to get something to work in 9mm with a gas port that suppresses well and not reliant on special ammo but I just don't see the point when we all know that mechanical delayed blowback works in:
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Posted: 7/18/2023 9:18:35 AM EDT
[#29]
Quote HistoryOriginally Posted By amphibian: I personally have a bias against using anything with a gas port for a 9mm PCC / SMG. |
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FL, USA
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Posted: 7/18/2023 9:51:03 AM EDT
[#30]
Quote HistoryOriginally Posted By November5: I'm with you on that. I have some ideas on how to make it work, but they're just ideas at this point. I think the Mean Arms will be the most promising for the AR platform. There's also the Angstadt, but it's a proprietary upper. Quote HistoryOriginally Posted By November5: Originally Posted By amphibian: I personally have a bias against using anything with a gas port for a 9mm PCC / SMG. |
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HI, USA
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Posted: 7/20/2023 12:59:01 PM EDT
[#31]
Those of you that ordered one, how long did it take to come in
I ordered one 5 weeks ago on 06-15 and so far it hasn’t shipped Btw this isn’t a complaint, I understand delivery time can get screwed especially with a new product, I’m just curious about how long it took to come it |
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FL, USA
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Posted: 7/20/2023 1:07:11 PM EDT
[#32]
Quote HistoryOriginally Posted By supercomp: Those of you that ordered one, how long did it take to come in I ordered one 5 weeks ago on 06-15 and so far it hasn't shipped Btw this isn't a complaint, I understand delivery time can get screwed especially with a new product, I'm just curious about how long it took to come it |
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HI, USA
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Posted: 7/21/2023 4:17:04 PM EDT
[#33]
I just got a email from maxin defense
Stating that they under estimated the demand for it and they’ll receive the next batch on 08-04 Again I’m not complaining and I kinda figured that’s what was happening |
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USA
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Posted: 7/26/2023 11:27:08 AM EDT
[#34]
Optics Planet has them too. Ordered last night for $175 after taxes with a coupon.
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Posted: 7/26/2023 11:33:02 AM EDT
[#35]
Quote HistoryOriginally Posted By gongo: Optics Planet has them too. Ordered last night for $175 after taxes with a coupon. That's why it takes so long to get them directly from Maxim. Gotta fill those large orders first. 
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TX, USA
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Posted: 7/26/2023 4:40:06 PM EDT
[#36]
Thanks for heads up - just got one also!
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Posted: 7/26/2023 6:25:26 PM EDT
[#37]
Just put a deposit on a Mean Arms 4.5" upper.
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Posted: 7/26/2023 8:13:18 PM EDT
[Last Edit: hdcharlie]
[#38]
That's what we get for being early adopters. $20 less from Optics Planet and free shipping. And they say there are instructions included.
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USA
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Posted: 7/26/2023 9:02:25 PM EDT
[#39]
Quote HistoryOriginally Posted By gongo: Optics Planet has them too. Ordered last night for $175 after taxes with a coupon. Thanks for the heads up… Ordered one for under $160 shipped after coupon. Can’t wait to try it out. |
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USA
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Posted: 7/26/2023 10:55:22 PM EDT
[#40]
Quote HistoryOriginally Posted By hdcharlie: And they say there are instructions included. We'll see if there are any instructions and what they actually say! |
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Posted: 7/27/2023 9:28:27 AM EDT
[#41]
Quote HistoryOriginally Posted By Screwball: Thanks for the heads up… Ordered one for under $160 shipped after coupon. Can’t wait to try it out. @Screwball What coupon? |
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Posted: 7/27/2023 1:01:37 PM EDT
[Last Edit: hdcharlie]
[#42]
Quote HistoryOriginally Posted By gotigers: @Screwball What coupon? BFJW It's on the site. As of this minute, they have 21 of the Carbine version in stock. That explains why there are none available from Maxim. |
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USA
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Posted: 7/27/2023 1:01:42 PM EDT
[Last Edit: Screwball]
[#43]
Quote HistoryOriginally Posted By gotigers: @Screwball What coupon? “BFJW” |
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Posted: 7/28/2023 7:07:21 AM EDT
[#44]
For you folks getting a new one, if they come with instructions, please post a clear photo of them. Thanks!
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USA
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Posted: 7/28/2023 5:02:21 PM EDT
[#45]
Will do.
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FL, USA
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Posted: 7/28/2023 9:10:19 PM EDT
[#46]
Quote HistoryOriginally Posted By amphibian: I have also posted many times that I was never impressed with the recoil impulse of a stock 9mm CMMG RDB configuration, hence why I am running a .40SW bolt with less aggressive angles for running 9mm and a custom barrel. I think based on my testing yesterday, a stock 9mm CMMG RDB may work with the Maxim RDB but of course I didn't bring my stock setup with me yesterday. To my surprise it was loud with this setup. Didn't bother record it. It was also inconsistent. I was able to run a whole mag in FA bursts and then tried to run it again and it would have issues like short stroking etc. I think I'm going to shelve my Maxim RDB for now after all this testing mainly due to the poor suppression performance. |
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Posted: 7/28/2023 11:40:09 PM EDT
[#47]
Quote HistoryOriginally Posted By amphibian: I tested the CMMG RDB + Maxim RDB again today but this time with my stock 9mm CMMG RDB not my tuned one discussed above. To my surprise it was loud with this setup. Didn't bother record it. It was also inconsistent. I was able to run a whole mag in FA bursts and then tried to run it again and it would have issues like short stroking etc. I think I'm going to shelve my Maxim RDB for now after all this testing mainly due to the poor suppression performance. Quote HistoryOriginally Posted By amphibian: Originally Posted By amphibian: I have also posted many times that I was never impressed with the recoil impulse of a stock 9mm CMMG RDB configuration, hence why I am running a .40SW bolt with less aggressive angles for running 9mm and a custom barrel. I think based on my testing yesterday, a stock 9mm CMMG RDB may work with the Maxim RDB but of course I didn't bring my stock setup with me yesterday. I tested the CMMG RDB + Maxim RDB again today but this time with my stock 9mm CMMG RDB not my tuned one discussed above. To my surprise it was loud with this setup. Didn't bother record it. It was also inconsistent. I was able to run a whole mag in FA bursts and then tried to run it again and it would have issues like short stroking etc. I think I'm going to shelve my Maxim RDB for now after all this testing mainly due to the poor suppression performance. Thank you very much for testing that. Shame they don't work together, but not terribly surprising they don't. |
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MI, USA
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Posted: 7/29/2023 7:10:14 AM EDT
[#48]
Quote HistoryOriginally Posted By backbencher: Thank you very much for testing that. Shame they don't work together, but not terribly surprising they don't. Quote HistoryOriginally Posted By backbencher: Originally Posted By amphibian: Originally Posted By amphibian: I have also posted many times that I was never impressed with the recoil impulse of a stock 9mm CMMG RDB configuration, hence why I am running a .40SW bolt with less aggressive angles for running 9mm and a custom barrel. I think based on my testing yesterday, a stock 9mm CMMG RDB may work with the Maxim RDB but of course I didn't bring my stock setup with me yesterday. I tested the CMMG RDB + Maxim RDB again today but this time with my stock 9mm CMMG RDB not my tuned one discussed above. To my surprise it was loud with this setup. Didn't bother record it. It was also inconsistent. I was able to run a whole mag in FA bursts and then tried to run it again and it would have issues like short stroking etc. I think I'm going to shelve my Maxim RDB for now after all this testing mainly due to the poor suppression performance. Thank you very much for testing that. Shame they don't work together, but not terribly surprising they don't. As the old saying goes, "Too many cooks spoil the soup." |
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Posted: 7/29/2023 9:32:41 AM EDT
[#49]
I ordered a carbine buffer from Optics Planet with the code (code on their website). Total shipped was $168.
After setting at "ready for pickup" for 2 days, it is now in route, but with DHL. Fucking DHL. I will be lucky to get it and if i do, it will be closer to September than July. |
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Posted: 7/29/2023 9:54:33 AM EDT
[#50]
Quote HistoryOriginally Posted By gotigers: I ordered a carbine buffer from Optics Planet with the code (code on their website). Total shipped was $168. After setting at "ready for pickup" for 2 days, it is now in route, but with DHL. Fucking DHL. I will be lucky to get it and if i do, it will be closer to September than July. Have no fear. An order I placed recently showed shipment by DHL, but the post office made the delivery. I doubt you'll have a problem receiving your RDB. |
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