Strike Industries MOD1 AR-15/M16 Rifle Stock - Black - Strike Industries drop-in replacement buttstock for AR/15/M16 carbine using mil-spec sized receiver extension tubes. The MOD1 stock integrates features sought by military professionals and firearms enthusiasts around the world. Strike Industries came up with a lighter, compact buttstock, at an even more attractive price point. Slide On Replacement For Factory Collapsible Butt Stock QD Sling Mounting Points Integrated On Both Sides In Positions For Optimum Usage Enhanced Cheek Weld Easy To Replace And Quick To Install Designed For Use With And Without Rubber Buttpad Length Of Pull (LOP): 11.25in to 14.25in Buttpad Sold Seperately Drop In Installation For Mil-Spec Sized Buffer Tubes Only