I just got back from the range.
I brought Lake City M193, Federal XM855 and PMC Bronze .223.
I started out with an H2 buffer and Federal XM855.
The bolt carrier cycled enough to cock the hammer and eject the spent case but not enough to strip the next round.
I then switched to the H buffer with the same ammo, and the results were the same. I got the M193, and although the muzzle flash and flash was significantly more pronounced the rifle still didn't cycle. Casings would eject but the bolt would slam home on an empty chamber.
I tried a few rounds of PMC Bronze, but they wouldn't even eject the case and it would create a failure to eject jam in the upper, not stovepiping...almost like the bolt carrier stopped too far short and started to return home with the empty shell casing getting lodged in the barrel extension.
I am almost positive that my gas port size is ~.058" after experiencing this, and I am really looking forward to a smooth shooting suppressed rifle.
As I've said from the beginning, whether or not the rifle worked unsuppressed was irrelevant. Maybe in the future I will try an LMT enhanced carrier but for right now I have other uses for those funds.
...I just hope it functions suppressed. Anyone with experience want to chime in on their thoughts?
I did get my aimpoint and irons zero'd at 50 yards however so it wasn't a completely useless day.
The AAC Brake performed extremely well. There was no felt recoil or muzzle climb at all. I also did not feel any blast or concussion (and this is at an indoor range)...the design of the brake sends the blast off to 90* away from the muzzle. Probably why the guys in the lanes adjacent to me were not very happy
See above
Very unpleasant, but surprisingly not so much for the shooter.
I will make the disclaimer that I normally wear foam ear plugs and today I was wearing the ear plugs and muffs
I did not feel any concussion however.
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