Birchwood Casey makes AR-15 disassembly, installation and cleaning simple and convenient. With their AR-15 Bench Block, designed specifically for AR-15s or like fireams, all of your AR-15 parts and pieces have a place, helping you keep things organized and accounted for as you work. It holds the upper receiver, lower receiver, bolt carrier group, front sight and charging handle to provide easy access to the dowel pins. Need access to the receiver for assembly, cleaning or repair? No problem. Simply clamp the unit in a bench vice and do what you must. Plus, the soft-jaw design won't scratch or mar the receiver, and the whole block is solvent-safe, meaning you don't need to worry about it fading, wearing or cracking when exposed to your go-to gun-cleaning products.