The CMMG 4.5" Barrel Sub-Assembly with Collar Kit is a testament to precision engineering and design excellence. Crafted for AR-15 platforms, this assembly features a medium contour barrel with a 1:16 twist, ensuring optimal performance with 22LR cartridges. Its black finish and 4140 Chrome Moly construction provide durability and a sleek appearance, making it a reliable choice for enthusiasts.

Ideal for range time and training, this barrel sub-assembly offers seamless integration into your AR-15 setup. CMMG's reputation for innovation and quality is evident in every detail, ensuring a superior shooting experience.

Key Features:
- Manufacturer: CMMG
- Model: 4.5" Barrel Sub-Assembly w/ Collar Kit
- Caliber: 22 Long Rifle
- Barrel Length: 4.5"
- Twist: 1:16
- Finish: Black
- Material: 4140 Chrome Moly
- Muzzle Threads: 1/2-28
- Unique Features: Medium contour, Salt Bath Nitride finish
- What's In The Box: Barrel and Collar Kit