Guntech USA 5.5″ 9mm Cal 1:10 Twist 4150 Barrel
Guntec USA has been manufacturing AR-15, AR-308 and AR 9mm accessories since 1989. Our goal is to distribute excellent quality, at an economical value.
- 4150 Chrome Moly Vanadium
- Weight: 9.6 oz
- Before installing a muzzle device, ensure a 9mm round will drop freely through the bore.
- Chambered in 9mm Cal5.5″ 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.