Real Avid Lug-Lok AR-15 Upper Receiver Reaction Rod Vice Block

Real Avid AR15 Lug-Lok Upper Vise Block The new Lug-Lok Vise Block is a new design that vastly improves on traditional clamp-style upper vises. Inserting through the the upper and into the barrel's star chamber, this vise block gives the user a solid base to install barrels, handguards, optics, and other upper parts without worrying [...]