Made in the usa the magpul ctr (compact/type restricted) mil-spec model is a drop-in replacement buttstock for ar15/m16 carbines using mil-spec sized receiver extension tubes.Designed for light fast action the streamlined a-frame profile avoids snagging and shields the release latch to prevent accidental activation.The ctr also features a supplemental friction lock system that minimizes excessive stock movement for enhanced weapon stability and an ambidextrous qd sling mount that will accept any push-button sling swivel.Firearm Type: AR-15Firearm Model: AR-15Material: PolymerFinish: Flat Dark EarthFeatures: 0.30" Thick Butt-PadAdjustment Type: CollapsiblePositions: 6Length Of Pull: 10.50"-13.80"Tube Included: No