AR9 BLACK 9mm 4.5" BARREL 1:10 TWIST

AR9 BLACK 9mm 4.5" BARREL 1:10 TWIST

4150 Chrome Moly Vanadium
Weight: 9.4 oz
Before installing a muzzle device, ensure a 9mm round will drop freely through the bore.
Chambered in 9mm Cal
4.5″ Length
1:10 Twist
Straight Profile
Black Nitride Coating
1/2 by 36 Thread

IMPORTANT: A standard 1/2×28 flash hider will not have enough clearance for a 9mm round to pass.