The CMMG Barrel Sub-Assembly 16 MT 4140CM 350LEG is a precision-engineered component designed for firearm enthusiasts looking to build a custom Mk4 upper group. Crafted from 4140CM steel with a Salt Bath Nitride finish, this barrel ensures durability and accuracy. It features a 16.1-inch medium taper profile, a 1:16 twist rate, and a threaded muzzle for added versatility.

Ideal for range time and training, this barrel is chambered in .350 Legend, making it a perfect fit for AR-15 platforms. CMMG is renowned for its innovation and quality, ensuring that each barrel sub-assembly is properly headspaced and ready for installation.

Key Features:
- Manufacturer: CMMG
- Model: Barrel Sub-Assembly
- Caliber: .350 Legend
- Barrel Length: 16.1"
- Muzzle: Threaded 1/2-28 (9mm)
- Gas Port Location: Carbine Length
- Weight: 1lb 9oz
- Material: 4140CM Steel
- Finish: Salt Bath Nitride