ASK AN EXPERTDescription
- .300 AAC Blackout caliber
- 8" barrel
- Direct impingement operating system
- 4140CM, SBN barrel material
- Pistol gas port location
- Cmmg EML7 M-lok hand guard
- Mk4 Zeroed parts and accessories - Quality comes standard
- Cerakote standard finish
- Lifetime Quality Guarantee
300BLK has proven itself to be an incredibly capable round in a variety of applications, from close quarters to mid-range and ammo loadings optimized for subsonic/suppressed as well as supersonic, there is use for almost every need. Whether you're looking to swap your current AR15 upper to quickly switch to 300BLK or looking to top off a new build, this Cmmg Banshee Mk4 300BLK 8" Upper Group (30B81F4) is sure to satisfy anyone looking for one of the most compact and stylish 300BLK upper groups made today.
Available in different Cerakote finishes, all Cmmg Upper Groups come complete with bolt carrier group and Zeroed accessories including: ZEROED AR15 Polymer Dust Cover, ZEROED AR15 Ambi Charging Handle, ZEROED Linear Compensator .308 Win.
Warranty Information
| Platform | Mk4 |
| Caliber | .300 AAC Blackout |
| Operating System | Direct Impingement |
| Barrel Twist | 1:7 |
| Barrel Contour | MT |
| Barrel Material | 4140CM, SBN |
| Muzzle Device | Cmmg Zeroed Linear Compensator |
| Muzzle Thread | 5/8 x 24 |
| Gas Port Location | Pistol |
| Gas Block | 0.750 Non-Adjustable |
| Upper Receiver | Billet 6061 T6 Aluminum |
| Hand Guard | Cmmg EML7 M-Lok |
| Finish | Cerakote Standard |
| Charging Handle | Cmmg Zeroed Ambi |
| Barrel Length, in | 8" |
| Length, in | 16.5" |
| Weight, lbs | 3 |
