CMMG presents the Banshee Upper Group 5.7x28 8 BLK, a marvel of engineering designed for superior ballistics and reduced recoil. This upper group is perfect for building your dream PDW AR15, compatible with CMMG Mk57 lowers or standard AR15/Mk4 lowers using CMMG 5.7 AR Conversion Mags. Available in six Cerakote finishes, it includes a complete bolt carrier group and ZEROED accessories.

Ideal for range time, competition, and training, the Banshee Upper Group showcases CMMG's reputation for innovation and quality. With its radial delayed blowback operating system and lightweight design, it promises exceptional performance.

Key Features:
- Manufacturer: CMMG
- Model: Banshee Upper Group
- Caliber: 5.7x28mm
- Condition: Factory New
- Action: Semi-Automatic
- Finish Color: Cerakote Standard
- Barrel Length: 8"
- Number of Magazines: Not specified
- Capacity: Not specified
- Optic Footprint: Optics Ready
- Unique Features: ZEROED AR15 Polymer Dust Cover, ZEROED AR15 Ambi Charging Handle, ZEROED Linear Compensator
- Night Sights: No
- External Safety: No
- Threaded Barrel: Yes
- What's In The Box: Bolt carrier group, ZEROED accessories
- Weight: 2.9 lbs
- Length: 16.5"
- Width: Not specified