Due to high demand and supply chain issues affecting many industries, some of our parts and accessories may be on backorder and have an extended lead time. Items currently on backorder can still be purchased and orders will be shipped out in the order they were received. We apologize for the inconvenience and appreciate your patience as we traverse this extremely busy time.
RIFLE, BANSHEE, Mk4, 5.56mm, 10.5", NFA
At 10.5” this BANSHEE™ is the shortest SBR CMMG® offers in 5.56mm. Ideal as the ultimate backpack/CQB rifle. If you’re looking to maximize capability then look no further; Built on the Mk4 platform, this BANSHEE AR15 lower receiver group will work with any standard AR15 pattern upper group as well as all of CMMG’s conversion magazines (w/ matching upper group).
Available in a variety of cerakote finish options, the BANSHEE series represents the most innovative AR SBRs available today. From the quick deploying RIPSTOCK®, to the stylized receivers and EML™ handguards, every BANSHEE is tailor-made to be the personal defense weapon you can always depend on. With full length M-LOK® slots on both sides and the bottom of the handguard as well as M-LOK between the top picatinny rail sections, you’ll always have enough space for those must have accessories.
**All NFA rules apply** All BANSHEE NFA SBRs (short barrel rifles) require additional ATF paperwork & processing. See linked CMMG Resource article for more information.
Mk4 ZEROED parts and accessories – Quality comes standard
The AR15 platform is well known for its capability for customization but picking the right parts doesn’t have to be a nightmare of homework. Everything from the RIPSTOCK to the full kit of ZEROED parts and accessories are made here in the USA with quality and attention to detail that is second to none and each BANSHEE comes equipped with a slew of ZEROED parts standard, including:
ZEROED AR15 Ambi Charging Handle
ZEROED Extended Mag Release Button
ZEROED AR15 Polymer Dust Cover
ZEROED Linear Compensator 5.56mm
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.
~Firearms shipping to states with magazine capacity restrictions will only ship with 10rd magazines in place of standard capacity magazines. CMMG does not address any other state compliancy requirements for further restricted states.
| Platform | Mk4 |
| Caliber | 5.56mm, 5.56x45mm |
| Operating System | Direct Impingement |
| Barrel Length | 10.5 |
| Barrel Twist | 1:7 |
| Barrel Contour | MT |
| Barrel Material | 4140CM, SBN |
| Barrel Twist | 1:7 |
| Muzzle Device | CMMG ZEROED Linear Compensator |
| Muzzle Thread | 1/2 x 28 |
| Gas Port Location | Carbine |
| Gas Block | 0.750 Non-Adjustable |
| Upper Receiver | Billet 6061 T6 Aluminum |
| Lower Receiver | Mk4 Forged 7075 T6 Aluminum |
| Hand Guard | CMMG EML9 M-LOK |
| Finish | Cerakote Standard |
| Charging Handle | CMMG ZEROED Ambi |
| Pistol Grip | CMMG ZEROED Pistol Grip |
| Buffer Type | Carbine |
| Receiver Extension | CMMG 6 Position Fastback Extension |
| Stock / Brace | CMMG RipStock |
| Trigger Type | Mil-Spec Single Stage |
| Trigger Guard | CMMG ZEROED Trigger Guard |
| Safety Selector | CMMG ZEROED 60/90 Degree |
| Magazine | Magpul 30rd PMAG |
| Weight | 5.6 lbs |
| Length | 26.4" |