The moe fixed carbine stock mil-spec model (magpul original equipment) provides an inexpensive fixed non-collapsing stock option for mil-spec size carbine-length buffer tubes.The moe fixed carbine stock has a slim profile improved cheek weld and multiple sling attachment options and is compatible with asap plates and prs extended rubber butt-pad.Installation is non-armorer and does not require the castle nut or lock plate to be removed.Firearm Type: AR-15Firearm Model: AR-15Material: Reinforced PolymerFinish: GrayFeatures: Improved Cheek WeldAdjustment Type: NonePositions: FixedLength Of Pull: 12.20"Tube Included: No