CMMG Patents

Thanks to our Aim to be Different and ongoing innovation, CMMG has numerous patents. This page is intended to serve as notice under 35 U.S.C. § 287(a).

This page is intended to serve as notice under 35 U.S.C. § 287(a).

Rotationally Actuated and Dual Pin Supported Linkage

U.S. Patent 9,952,011 B2

Radial Delayed Blowback Operating System™

U.S. Patent 10,436,530

Combination Extensible Firearm Shoulder Stock and Receiver Tube

U.S. Design Patent No. 872,215

Firearm with Combination Extensible Shoulder Stock and Receiver Tube

U.S. Patent No.  10,551,144

22 ARC

Maintenance kit incorporated into sub caliber action device

Patent No. 8,453,367 B2

Cotter pin anti rotation mechanism for accommodating sub caliber ammunition utilized in an AR-15 type firearm

Patent No. 8,316,755 B2

Modified bolt assembly with forward assist adapter for accommodating sub caliber ammunition utilized in an AR-15 type firearm

Patent No. 8,590,199 B2