Mil-Spec A3 Flat-Top Receiver w/M4 Feed Ramps, Forward Assist And Ejection Port Dust Cover.
10.5" .300 Blackout Barrel featuring a 1 in 8" Twist and threaded 5/8"x24. Complete With A2 Birdcage Flash Hider, M4 Feed Ramps, Phosphate Finish And Pistol Length Gas System with Steel Gas Block. This would make a great addition to any pistol build- especially those using the Sig SB15 arm brace.
MUST BE REGISTERED AS SHORT BARRELED RIFLE UNLESS INSTALLED ON PISTOL.
PISTOL INSTALLATION DOESN'T REQUIRE TAX STAMP.