- 4.6x30mm caliber
- 8″ barrel
- Direct impingement operating system
- Cmmg EML7 M-lok hand guard
- 4140CM, SBN barrel material
- Micro gas port location
- Cerakote standard finish
- Lifetime Quality Guarantee
Cmmg was the first to bring a 4.6x30mm firearm to the U.S. civilian market, continuing a tradition of innovation, shooters everywhere can now build a light recoiling, flat shooting PDW (personal defense weapon) like no other. The Cmmg Banshee Mk4 4.6x30mm 8in Armor Black Upper Group (46B965A-AB) is designed to work with any standard AR15 lower receiver and our 4.6x30mm magazines. 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.
