User Panel
User Panel
User Panel
IA, USA
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Posted: 8/31/2023 8:32:27 PM EST
Building out one of my extra SBR lowers as a 22 again...
going to be using an 11" taccom3g barrel and am planning on the Borebuddy bolt group. Trying to figure out bolt weight selection. I shoot primarily CCI standards or federal bulk box, almost always suppressed but will be shooting some unsuppressed for steel challenge. Any thoughts on which bolt weight to get? Lightweight adjustable vs just the standard steel one? |
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ID, USA
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Posted: 8/31/2023 9:56:37 PM EST
[#1]
Standard steel will probably be a touch heavy for SV use in an 11" barrel.
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FL, USA
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Posted: 9/1/2023 12:58:11 AM EST
[#2]
my 9" CMMG standard collar bolt group runs well on CCI SV for Steel Challenge...CMMG stub barrel.... I used Black Dog X sonic welded stainless feed lip mags, with Bore Buddy firing pin and extractor... I don't shoot suppressed
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Posted: 9/1/2023 8:42:55 AM EST
[#3]
I would definitely suggest the adjustable weight for shooting standard/sub sonic velocity ammo unsuppressed. I can tell you from personal experience that the standard BB weight is too much for standard velocity ammo out of a 4.5" barrel when unsuppressed.
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MI, USA
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Posted: 9/1/2023 12:21:39 PM EST
[Last Edit: SecondAmend]
[#4]
As posted in the thread hot linked below, I have made my own 1 oz. ABWs as I have found that 1 oz. is the "sweet spot" for reliable full auto .22 AR operation with a variety of configurations and ammos. The cost was $1.60 for a pair of ABWs.
https://www.ar15.com/forums/ar-15/How_to_make_your_AR_22_run_smoother_NOW_with_pictures/15-526872/ Best of luck. MHO, YMMV, etc. Be well. ETA: If you are only shooting semi auto, I would not put in any additional weight. |
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IA, USA
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Posted: 9/1/2023 1:07:00 PM EST
[#5]
Right on, the lightweight adjustable or running without a weight will be the plan then.
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Posted: 9/1/2023 2:01:59 PM EST
[#6]
I like running a bolt weight. Not only does it help with bolt bounce but as an added bonus, it helps keep the lower receiver cleaner too.
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Posted: 9/3/2023 2:09:21 PM EST
[Last Edit: ducati650]
[#7]
When I asked Bore Buddy, this was their reply:
"For the HV, you'll want to start with stainless internal weights For standard, use the aluminum. CCI Quiet 22 rounds will not cycle an AR22 even without a weight. I'd suggest some of the 45gr suppressor rounds if you want cycling, and start with aluminum internal weights." I have 2 AR22s built with RTB bolts and M4-profile 22rf barrels that are cut down to mimic 10.3" 5.56 barrels. I shoot pretty much any SV 38-40gr rounds (mostly CCI ) and Aquila Sub-Sonic rounds with zero problems using the aluminum weights. 40 gr HV (CCI Mini-Mags, Thunderbolts, etc) works fine with the stainless or aluminum weights though it is smoother with the stainless weight. As predicted by BB, CCI Quiet 22 will not work, even with no weight. |
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