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CTR Carbine Stock – Mil-Spec is a drop-in replacement buttstock for AR-15 / M16 carbines using Mil-Spec sized receiver extension tubes. The CTR features a friction lock system to minimize stock wobble and an ambidextrous QD sling mount for push-button sling swivels. It includes a standard 0.3" thick rubber butt-pad for shoulder purchase and is made in the USA. Compatibility: Mil-Spec sized carbine receiver extension tubes (not included). NSN numbers include MAG310-BLK 1005-01-614-7778, MAG310-FDE 1005-01-616-4923, and MAG310-ODG 1005-01-614-7778.
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