Sanders Armory presents the CMMG SUB ASSM 18” MT 416R Stainless Steel 5.56 NATO barrel with medium tapered profile and a 1:7 Twist Rate. This 18″ Bead Blasted 416R Stainless Steel 5.56 NATO barrel includes M4 Feed ramps, a RIFLE-Length Gas System, 750 Gas Block Acceptance. The barrel is threaded for a Flash Hider or Muzzle break with 1/2 x 28 threads.
U.S. made and manufactured to MIL-SPEC specifications exceeding the ISO-9002 Quality Standard.
- Brand: CMMG
- Barrel Caliber: 5.56 NATO
- Barrel Length: 18″
- Twist Rate: 1:7 Twist
- Rifling process: Button Rifled
- Material: 416R Stainless Steel
- Finish: Bead Blasted Stainless Steel
- Inside Finish: Polished Stainless Steel
- Profile: Medium Taper
- Gas System Length: Rifle-length Gas Tube
- Diameter Gas Block: .750 Gas Block
- Gas Block Dimple: Yes
- Barrel Crown Thread Pattern: 1/2 X 28 Thread Pitch
- Extension: M4 Nitride Coated
- Feed Ramps: M4 cut Barrel extension
NO shipping to District of Columbia (Washington, D.C.); Massachusetts; Connecticut; Chicago; Cook County, Deerfield, Highland Park or Aurora Illinois; New Jersey; New York; Puerto Rico; Hawaii; Alaska or Canada! NO international shipping all must be within the 48 Contiguous United States! NO APO/PPO/FPO’s.