| Platform | Mk4 |
| Caliber | .22 LR |
| Operating System | Traditional Blowback |
| Barrel Length | 9 |
| Barrel Twist | 1:16 |
| Barrel Contour | MT |
| Barrel Material | 4140CM, SBN |
| Barrel Twist | 1:16 |
| Muzzle Device | CMMG ZEROED Flash Hider |
| Muzzle Thread | 1/2 x 28 |
| Gas Port Location | N/A |
| Gas Block | N/A |
| Upper Receiver | Billet 6061 T6 Aluminum |
| Hand Guard | CMMG EML7 M-LOK |
| Finish | Cerakote Standard |
| Charging Handle | CMMG ZEROED Ambi |
| Weight | 2.9 lbs |
| Length | 17.4" |
Due to high demand, some of our parts and accessories may be on backorder and have an extended lead time. Items currently on backorder can still be purchased. Expected to ship in 4 to 6 weeks.
UPPER GROUP, BANSHEE, Mk4, .22LR, 9"
Whether you’re looking to finish up your next .22 LR build or have a dedicated .22 upper for some cheap plinking, put the 9” BANSHEE™ on your list. Designed to work with CMMG® .22 AR Conversion Mags and any standard AR15 lower group, this .22 LR upper doesn’t just look like an AR, it is an AR, and comes ready to accessorize to fit you best. 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
We aim to please, that’s why every CMMG product is backed by our Lifetime Quality Guarantee against material and workmanship defects. Learn More.