sorry SOLD OUT. Special order requests only. Delay 3 weeks and price to be confirmed. this "upper" vice block will clamp around all models of AR15 / M4. It fits into a workbench vise which makes working on your gun easier and more stable ensuring you don't scratch or damage the gun. Constructed of black injection moulded polymer. Fits both carry handles & flattop upper receivers. The vice block is locked into a vice and holds the rifle firm so you can work on your rifle securely without scratching or damaging the finish for effective cleaning, assembly and repair. A must have tool for gunsmiths or home do it yourselfers. Please Note: due to the large range of AR/M4 platform manufacturers, this may need some slight filing modification to non standard uppers eg; Billet, Daniel Defense V5. upper and lower vice blocks can be sent together for the one courier cost.