CMMG Fixed Ejector Upper Group for BANSHEE Mk4/Mk9/Mk17/MkGs in 9mm Luger with an 8″ barrel and Armor Black Cerakote. Ships complete with bolt carrier group and ZEROED accessories.
This CMMG BANSHEE fixed ejector upper group brings the company’s radial delayed blowback design to a compact 8″ configuration intended for 9mm Luger AR-style platforms. It is built to pair with CMMG Mk4, Mk9, Mk17 and MkGs platforms and is supplied with CMMG ZEROED accessories and a bolt carrier group. The compact profile suits pistol-caliber carbine use where maneuverability and manageable recoil are priorities.
Product Specifications
The platform fits Mk4 Mk9 Mk17 MkGs.
The caliber is 9mm.
The operating system is Fixed Ejector Radial Delayed Blowback.
The barrel measures 8 inches.
The barrel twist rate is 1:10.
The barrel contour is MT.
The barrel material is 4140CM SBN.
The muzzle device is a CMMG ZEROED Linear Compensator.
The muzzle thread pattern is 1/2 x 28.
The upper receiver is Billet 6061 T6 Aluminum.
The hand guard is a CMMG EML7 M-LOK.
The finish is Cerakote Standard.
The charging handle is a CMMG ZEROED Ambi.
The overall length is 16.5 inches.
The UPC is 840442505783.
This upper group is a straightforward way to equip a compatible lower for pistol-caliber carbine applications, offering a compact 8″ barrel, robust billet receiver construction and CMMG’s ZEROED accessory package. It’s a focused component intended for range training and pistol-caliber carbine competition builds where a compact, dependable 9mm solution is desired.
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