- 5.56x45mm NATO caliber
- 10.5″ barrel
- Direct impingement operating system
- Cmmg EML9 M-lok hand guard
- 4140CM, SBN barrel material
- Carbine gas port location
- Cerakote standard finish
- Lifetime Quality Guarantee
At just 10.5″ this is the shortest Cmmg Banshee Mk4 5.56x45mm Nato Upper Group (55B8D53) CMMG offers. Great for anyone looking to build an ultra-compact AR15 that’s lightweight and perfectly sized to go anywhere. This 5.56mm Banshee Upper Group is built on our Mk4 – AR15 platform, 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 5.56mm.
