CMMG has recently released their latest offering an AR-15 conversion kit for the 5.7x28mm cartridge.

The CMMG 5.7x28mm AR-15 conversion kit comes with a Banshee 300 MK57 upper receiver group and 3) 40 round 5.7x28mm magazines.

This kit allows you to simply attach to your existing AR-15 lower receiver.

SPECIFICATIONS:

– CALIBER: 5.7×28

– BARREL: 5″ MT 4140CM SBN, 1:9 Twist, 5.7x28mm

– MUZZLE: Thread Protector, Threaded ½-28

– GAS PORT LOCATION: N/A

– RECEIVER: Forged 7075-T6 AL Upper. Complete with BCG

– HAND GUARD: CMMG RML4 M-Lok hand guard

– FINISH: Hard Coat Anodized Receiver and Handguard (Can be upgraded to Cerakote)

– CHARGING HANDLE: CMMG Oversized Ambi

– WEIGHT: 2lbs 7oz

– LENGTH: ”12.5″

To learn more about CMMG and the 5.7×28 AR15 conversion kits. CLICK HERE