12.5" Barrel, MC 416SS SBN, .308 Win

Barrel Sub-Assm, 12.5" MC 416SS SBN, .308 Win Length: 12.5", 1:10" Twist Chamber: .308 Win Profile: Medium Contour Profile Material and Finish: 416 SS, Salt Bath Nitride Finish Muzzle Thread: 5/8"-24 TPI Gas Port Location: Mid-length Gas Block...

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 7.5" Barrel, Salt Bath Nitride Finish

9mm Barrel Sub-Assembly, 7.5" MT 4140CM SBN, 1:10 Choose Parkerized or Stainless Steel Finish  Length: 7.5", 1:10" Twist Chamber: 9 mm NATO Profile: Medium Contour Profile Material and Finish: 4140 CrMo, Salt Bath Nitride Finish Muzzle...

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