| Platform | Mk4 |
| Caliber | .22 LR |
| Operating System | Traditional Blowback |
| Barrel Length | 4.5 |
| 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 EML4 M-LOK |
| Finish | Cerakote Standard |
| Charging Handle | CMMG ZEROED Ambi |
| Weight | 2.2 lbs |
| Length | 12.8" |
Expected to ship within 10 business days. Build to Order products are items that are not built but all components are in stock and ready for assembly.
THIS PRODUCT IS BACKED BY THE CMMG LIFETIME QUALITY GUARANTEE.
UPPER GROUP, BANSHEE, Mk4, .22LR, 4.5"
Don’t build a .22 LR that looks like an AR, build an AR that happens to be chambered in .22 LR. Equipped with a 4.5” barrel, the shortest CMMG® offers in any caliber, this BANSHEE™ upper group is built on the Mk4 platform, and is designed to work with any standard AR15 lower group and use our .22LR AR Conversion Mags. Available in different Cerakote finishes, all CMMG® Upper Groups come complete with bolt carrier group and ZEROED™ accessories including:
Lifetime Quality Guarantee
We aim to please, that’s why every CMMG product is backed by our Lifetime Quality Guarantee against material and workmanship defects. Learn More.