CMMG 5.7X28mm Banshee Upper Group Receiver 8in Tungsten. 7x28mm has quickly become one of the most popular chamberings in the PDW space. With the 8 BANSHEE upper group you can build the PDW AR15 of your dreams. Compatible with either CMMG Mk57 lowers or a standard AR15/Mk4 lower (when used with CMMG 5.7 AR Conversion Mags). Specifications for CMMG 5.7X28mm 8in Banshee Upper Group Receiver: Manufacturer: CMMG Caliber: 5.7x28mm Overall Length: 16.5 in Barrel Length: 8 in Barrel Profile: Medium Tapered Barrel Twist Rate: 1-9 Threads per Inch: 1/2×28 Muzzle Device: CMMG Zeroed Linear Compensator Fabric/Material: 6061-T6 Aluminum Gun Rail: M-LOK Gun Make: CMMG Weight: 2.9 lb Magazine Included: No Mount Type: M-LOK Package Contents: CMMG 5.7X28mm 8in Banshee Upper Group Receiver CMMG 57B88BD-TNG: 5.7X28mm Banshee Upper Group Receiver 8in Tungsten
CMMG MkG .45 ACP Banshee Fixed Ejection Upper Group Receiver 5in 1-16 Twist 0.578x28 TPI .750in Tungsten Original price was: $974.95.$849.99Current price is: $849.99. 
Primary Weapons Systems MK109 MOD1-M Upper Receiver 9.75 inch Barrel 1-8 Twist Matte Black Original price was: $1,209.95.$1,107.35Current price is: $1,107.35. CMMG 5.7X28mm Banshee Upper Group Receiver 8in Tungsten
Original price was: $974.95.$839.99Current price is: $839.99.
