CMMG 5.7 8" AR15 PDW Pistol Upper Group Banshee 100 Mk57 5.7 x 28mm AR-15 AR57
Add this Lightweight CMMG 5.7x28mm Radial Delayed Blowback complete upper receiver to any existing AR15 lower to add this powerful cartridge to your arsenal!
CMMG delivers its lightest and most compact firearms within the BANSHEE line of Short Barreled Rifles (SBR’s) and AR pistols. Don’t let these little guys fool you though. With a wide range of caliber offerings available, there’s plenty of firepower in the BANSHEE line. With a variety of different barrel lengths and furniture to choose from, the BANSHEE 100, BANSHEE 200 and BANSHEE 300 series will have the right combination for you when concealment and portability matter the most.
All BANSHEE 100 series uppers feature:
A2 Flash Hider
RML M-Lok Hand Guard
SBN Barrel
Standard Charging Handle
Includes BCG Bolt Carrier Group
CMMG's Lifetime Quality Guarantee
CALIBER: 5.7x28mm
BARREL: 8” 1:9 Twist, Medium Taper 4140 SBN
MUZZLE: A2 Comp, threaded 1/2-28
GAS PORT LOCATION: N/A
RECEIVER: Forged 7075-T6 AL M4 type upper
HAND GUARD: CMMG RML7 M-Lok hand guard
FINISH: Hard Coat Anodized Receiver and Hand Guard
CHARGING HANDLE: CMMG Mil-Spec
WEIGHT: 2lbs 14.2oz
TOTAL LENGTH: 16.875"
Optional ADD-ON:
40 Round Mag 54AFCA2
CMMG’s 5.7 AR Conversion Magazine holds 40 rounds of 5.7x28mm and fits in any standard AR15 lower receiver. To use, simply attach a CMMG 5.7x28mm Radial Delayed Blowback complete upper receiver to an existing AR15 lower. Then, insert CMMG’s 5.7 AR Conversion Magazine to safely feed 5.7x28mm ammunition. CMMG recommends using a standard carbine buffer and action spring to reliably cycle the action in this configuration. The 5.7 AR Conversion Magazine also retains last round bolt hold-open functionality, allowing for faster reloads.
CALIBER: 5.7x28mm
CAPACITY: 40 rounds
WEIGHT: 8oz(unloaded)
