Fully chambered barrels let you convert a standard .223/5.56 AR to .300 Blackout - ideal for shooting subsonic rounds through a suppressor. “Recon Tactical” profile provides strength and rigidity while remaining lightweight. Polished M4 style feed ramps aid in reliable feeding. .300 AAC Blackout features six-groove, 1-8" twist, button rifling that works well for both subsonic and supersonic ammo. 16" barrel is drilled for carbine-length gas system with gas port correctly sized for .300 Blackout loads. 11.3" barrel has a pistol length gas system.. Barrel works with standard .223/5.56 bolt and magazines. Available in 16" or 11.3" lengths.
AR-15, Issue:09, Page:006
AR-15, Issue:09, Page:017
Big Book Catalog, Issue:67, Page:009
Big Book Catalog, Issue:67, Page:019