![]() ![]() *Do you think I should just ditch this build and get the AAC 9" complete upper? My local gun shop has one in-stock for $1000 out the door. I am no gunsmith but does this sound like a buffer or buffer spring issue? If so what can you recommend? Any SBR Blackout owners out there that have already solved this problem? I have tried many factory loads (110, 115, 125, 208) and several hand loads (from friends - 225, 240) - this problem seems to exist across the board, no matter if I use factory ammo or not. Still occasionally jam a round half way between mag and barrel. Subsonic rounds (with a suppressor) = "mostly" cycle fine, still have some random issues with not chambering the next round and it will almost never lock the bolt on last round. Subsonic rounds (without a suppressor) = eject fine but will not chamber next round and will not lock bolt open on last round, sometimes a round will attempt to chamber but will get stuck half way between the mag and barrel. Supersonic rounds = seem to function fine / no problems ? Not sure, probably standard buffer and buffer spring I really appreciate any help you guys can offer.ĩ" Noveske Barrel (pistol length gas system) I have been having several issues with reliability and I need to get this solved before I feel comfortable staking my life (and my family's lives) on this system. I have been an avid 556 guy but after being introduced to the 300BLK I am wanting to switch over most of my primary weapons. I have posted this on other forums but no one has ever responded. ![]() I appreciate, in advance, any help you can offer.
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