Armorer's Blocks - Scar Upper Receiver/Barrel Vise Block

High-density polymer blocks allow critical subassemblies of the SOF Command Assault Rifle (SCAR) to be tightly clamped in a vise without danger of crushing, twisting, or otherwise distorting them. Provides secure support for safe, effective cleaning, adjustment, maintenance, and repair without marring or scratching the finish. Available as a complete set or separate components. Upper Receiver/Barrel Block surrounds the front sight/gas block to securely hold the barrel module while also protecting the exposed portion of the gas system leaving your upper free to be worked on. Lower Receiver/Trigger Module Block locks into the magazine well and absorbs all the clamping force to protect the S Mfg: Tangodown SPECS: High-density, injection-molded polymer.