Magpul PC Backpacker OD Green Synthetic Stock for Ruger PC Carbine is a fixed, ambidextrous replacement stock designed for Ruger PC Carbine rifles. Built from durable, water-resistant synthetic material with a unique locking interface the handguard snaps onto the buttstock underside for compact, portable storage. Includes water-resistant grip storage and a hidden cheek riser compartment for a spare pistol magazine (up to Glock PMAG 21 GL9). Rubber butt pad included. LOP: 13.75. Finished in matte black. Weighs 21 oz. Safety note Follow all manufacturer installation instructions. Verify proper fit and secure mounting before use. Comply with local firearm laws and regulations.