This AR-STONER Unassembled Pistol Kit features all the necessary parts to finish an LR-308 lower receiver into a complete pistol. This kit does not include a front or rear sight, making it a great platform for a red dot or scope (sold separately).The AR-STONER Kit also includes a pistol buffer tube assembly. The buffer tube is machined from 6061-T6 aluminum and given a hard coat anodized finish to withstand years of abuse. Included in the Kit is the AR-STONER Lower Parts Kit which includes everything needed to build a complete lower receiver, except a stripped lower receiver. All parts are made to standard military specifications. Lower Parts Kit IncludesBolt CatchBolt Catch PlungerBolt Catch Roll PinBolt Catch SpringBuffer RetainerBuffer Retainer SpringDisconnectorDisconnector SpringHammerHammer PinHammer SpringMagazine CatchMagazine Catch ButtonMagazine Catch SpringA2 Pistol GripPistol Grip Lock WasherPistol Grip ScrewPivot PinPivot Pin DetentPivot Pin Detent SpringSafety Selecto...