AR-15 ACE ARFX-E SKELETON STOCK FIXED ENTRY LENGTH The ACE ARFX-E Entry length Skeleton Stock is 7.25" long without buttpad; yet strong enough for its intended purpose Close Quarters Battle. CQB usually involves heavy armor and the need for a stock that can breech light doors or in hand to hand combat. Includes Foam Over Tube, Buffer Tube, and all mounting hardware. Installation requires carbine buffer and carbine buffer spring. SPECS: 6061-T6, heat-treated, aircraft grade aluminum, Type 3, mil.spec. Hard-anodized, matte black. ARFX-E lentgth is 7.25" without buttpad Mfg: Double Star