CMMG's BBL and BCG Kit 8" 5.7X28MM is a testament to engineering excellence, designed for AR pistol or SBR builds. Featuring CMMG's patented Radial Delayed Blowback system, it reduces BCG weight and recoil, ensuring smooth operation with last round bolt hold open. Ideal for range time and training, this kit is a reliable choice for AR enthusiasts, showcasing CMMG's innovation.

Key Features:
- Manufacturer: CMMG
- Model: BBL and BCG Kit 8" 5.7X28MM
- Caliber: 5.7X28MM
- Barrel Length: 8"
- Threaded Barrel: Yes
- Unique Features: Radial Delayed Blowback, Black Finish
- What's In The Box: Barrel and Bolt Carrier Group