CMMG, the leading manufacturer of AR15 rifles, has all the best in 5.7x28mm ARs for you to shop here!

Boasting greater sound reduction than the DEFCAN-22 for higher pressure .17-.22 cal centerfire cartridges, the DEFCAN-57 features a QD ratchet attachment mount that’s compatible with the …

CMMG Dissent MK57 5.7x28mm AR-15 Pistol with Midnight Bronze Cerakote Finish and 6.5 Inch Barrel

2019年4月2日 · CMMG is making the Banshee in 5.7x28 mm. The Five-Point-Seven cartridge came about back in the late ’80s when NATO issued a call for a new item, the Personal …

Your quest for the ultimate personal defense weapon concludes with the Mk57 BANSHEE. Engineered to perfection and chambered in 5.7 x 28 mm, this cutting edge firearm deploys an …

Meticulously engineered and chambered in 5.7 x 28 mm, this cutting edge firearm boasts an 8 inches barrel that fully unlocks the potential of the 5.7 x 28 mm round, making it the perfect …

The CMMG Banshee Mk57 platform is designed to use FN Five-seveN pattern magazines and still offers the full range of AR15 operational features like last round bolt hold open, and can …

The 8" 5.7x28mm Barrel and BCG Kit is perfect for building an AR pistol or SBR in 5.7x28mm using CMMG’s patented Radial Delayed Blowback operating system. Unlike typical direct …