If you are unsure of your rifles’ specifications, consult your gunsmith or rifle manufacture for specifications on your rifle. 22 suppressed pistol if its that serious. I wouldnt bother man, its a hassle to get them cycling reliably because you basically made a. That means you turn the AR into a straight pull bolt or you shoot it out of a bolt gun. And use a standard buffer spring or one that does not increase the 5.56 sub dont cycle ARs that are gassed and sprung for supers. Make sure you do not have any added weights to your bolt carrier. This will NOT stabilize in a 1:8″, 1:9″ twist barrel or slower! You must have a sound suppressor attached to. This gives it enough pressure to cycle subsonic loads and is adjustable to allow the hotter supersonic loads. On my 18' upper it has the gas port mounted about 4 inches from the front of the chamber. Priced per 50 rounds.Ĭarbine or pistol length gas system (will not cycle in mid-length or rifle length gas system)ġ:7″ twist barrel or faster (1:6.5, 1:6″). Most of you already know that Subsonic ammunition is the only way to make your suppressed firearm truly quiet. To cycle the 5.56 subsonic rounds you will need an upper that is similar to the 300 whisper. This ammo is designed for the AR-15 platform. You would be better off with a 22lr conversion bolt in it, it will cycle that. When you combine subsonic ammo and a well-built 300 Blackout pistol. PLEASE read below, the rifle specifications needed for this ammo!!!Īfter years of working on this project, I finally got an awesome cycling SUBSONIC load in 223/5.56 for an AR-15!! 112 grain EXPANDING SUBSONIC bullet! I worked closely with a bullet manufacturer to tweak the bullets and worked with many different powder and powder charges to dial it in. 223 load data for suppressed use Can anyone recommend a load for use in an 11. Will A 556 Lower Work With 300 Blackout Good idea on mags, have a system to keep.
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