Compact and capable, 5.56mm was designed to be right at home in AR15-pattern firearms like the CMMG Mk4 platform. Standard features include Radial Delayed Blowback Operating System; air craft grade aluminum receivers; Zeroed pistol grip, drop-in trigger, polymer dust cover, ambi-charging handle; M-LOK free float handguard and Cerakote finish.
- Caliber: 5.56mm
- Barrel Length: 12.50"
- Capacity: 30+1
- Barrel Length Range: 12" to 12.99"
