CMMG Banshee Upper Group Kit 300 MkGs 9mm 3-30rd Mags

The BANSHEE 300 9mm upper receiver has a 5-inch barrel and features CMMG’s patented Radial Delayed Blowback operating system. The receiver and handguard are hard coat anodized, and come with a pre-installed CMMG Ambi Charging Handle and a CMMG RML4 M-LOK Handguard. This package ships with three 30-round 9mm AR Conversion magazine.

All of our Upper Groups come complete with BCG.