CMMG's Barrel and Bolt Group Kit 16.1'' .22LR is a testament to precision engineering, designed to convert your AR-15 upper to a dedicated .22LR. With a robust 4140 Chromoly steel construction and a sleek Salt Bath Nitride finish, this kit ensures durability and optimal performance. The 16.1'' barrel features a 1:16 twist rate and a threaded muzzle, making it ideal for range time and training sessions. CMMG is renowned for its innovation and quality in firearm accessories.

Key Features:
- Manufacturer: CMMG
- Model: Barrel and Bolt Group Kit
- Caliber: .22LR
- Barrel Length: 16.1"
- Material: 4140 Chromoly Steel
- Finish: Salt Bath Nitride
- Muzzle Thread: 1/2 x 28
- Twist: 1:16
- Includes: Bolt Carrier Group