CMMG presents the BBL BCG Kit 5" 9MM 4140CM SBN, a testament to precise manufacturing and durable construction. This kit features a 5-inch barrel crafted from 4140 Chromoly Steel with a Salt Bath Nitride finish, ensuring long-term reliability and a sleek black appearance. Designed for AR rifles, it includes a bolt carrier group and is engineered for ease of use with a 1:10 twist rate.

Ideal for range time and training, this kit allows for the creation of a Pistol Caliber Carbine using CMMG's innovative Radial Delayed Blowback System, which offers reduced recoil and a lighter bolt carrier group compared to traditional systems. CMMG is renowned for its commitment to quality and innovation in firearm accessories.

Key Features:
- Manufacturer: CMMG
- Model: MKGS
- Caliber: 9MM
- Barrel Length: 5"
- Finish Color: Black
- Unique Features: Radial Delayed Blowback System
- What's In The Box: Barrel and Bolt Carrier Group
- Weight: 1.4 lbs