Caliber: 10mm. Capacity: 30-round magazine. Barrel: 8 in. Grips: AR15 A2 style. Sights: Optic-ready, Picatinny-style rail. Length: 23.9 in. overall. Weight: 5.1 lbs. unloaded. Finish: Black or various Cerakote finishes. Features: Radial Delayed Blowback operating system to reduce felt recoil. M4-type upper receiver and forged 7075-T6 lower. Furniture includes an M-LOK handguard and CMMG Standard RipBrace with 6-position enhanced receiver extension and ambi sling plate. CMMG Oversized Ambi charging handle and ambi safety selector. Available in various Cerakote colors. Made in the USA.