9mm 8.5" Barrel and Bolt Assembly Set

 9mm 8" Barrel Sub-Assembly and Bolt Assembly  Buy with our 9mm Lower Receiver and Builders Kit for a great start on your build. Barrel Bolt Perfect for building your custom 9mm AR15 upper...

9mm 8.5" Barrel Sub-Assembly

CMMG 9mm 8.5" Barrel Sub-Assembly 8.5″ Medium Taper Profile 4140 Chrome Moly Salt Bath Nitride Finish inside and out 1:10 Twist 9x19mm NATO Chamber Threaded 1/2-36

16.1" Barrel, MT 416SS SBN, .308 Win

Barrel Sub-Assembly, 16.1" MT 416SS SBN, .308 Win Length: 16.1", 1:10" Twist Chamber: .308 Win Profile: Medium Taper Profile Material and Finish: 416 SS, Salt Bath Nitride Finish Muzzle Thread: 5/8"-24 TPI Gas Port Location: Rifle Gas Block Size: ...

9mm 16.1" Barrel, NATO

16.1" - 9mm Barrel Sub-Assm, M4 4140CM SBN,  1:10, 16" Length: 16.1", 1:10" Twist  Chamber: 9 mm NATO Profile: M4 Profile Material and Finish: 4140 CrMo, Salt Bath Nitride Finish Muzzle Thread: 1/2"-36 TPI Gas Port Location: None  

16.1" Barrel Multi Role Profile

Length: 16.1", 1:7" Twist  Chamber: 300 BLK  Profile: Multi Role Profile  Material and Finish: 4140 CrMo, Salt Bath Nitride Finish Muzzle Thread: 5/8"-24 TPI Weight: 1.8 lbs  Gas Port Location: Carbine  Gas Block Size: ...

14.5" Chrome Lined Barrel

Length: 14.5", 1:7" Twist Chamber: 5.56 mm Profile: M4 Profile Material and Finish: 4150 CrMoV Chrome Lined, Phosphate Finish Muzzle Thread: 1/2"-28 TPI Gas Port Location: Carbine Gas Block Size: .750"

20" Barrel, Chrome Lined, Phosphate Finish

Barrel Sub-Assm, 20" GP 4150CMV CL, 5.56mm Length: 20", 1:7" Twist Chamber: 5.56 mm Profile: Government Profile Material and Finish: 4150 CrMoV Chrome Lined, Phosphate Finish Muzzle Thread: 1/2"-28 TPI Gas Port Location: Rifle Gas Block Size: .750"