CMMG Inc Magazine 22ARC 10rd Limited Grey 10RD. It features a 10-round capacity and is compatible with .22LR conversion kits and CMMG Mk4/mil-spec AR15 lower receivers. Specifications for CMMG Inc 22ARC 10 Round Rifle Magazine: Manufacturer: CMMG Color: Black Magazine Capacity: 10 Round Caliber: .22 Long Rifle Gun Model: AR-15 Quantity: 1 Condition: New Package Contents: CMMG Inc 22ARC 10 Round Rifle Magazine What firearm models does the manufacturer say CMMG Inc 22ARC 10 Round Rifle Magazine is compatible with? The manufacturer suggests that CMMG Inc 22ARC 10 Round Rifle Magazine is compatible with AR-15CMMG Inc 22AFC1D-10RD: 22ARC 10 Round Rifle Magazine Black