Real Avid Lug-Lok Upper Vise Block AR15 Tourniquet The low-profile metal plate adheres

The low-profile metal plate adheres to your phone or case

First Ever Modular Riot Vest

Designed to be attachable for e

Warranty: 90 Day Warranty

Real Avid Lug-Lok Upper Vise Block AR15 Tourniquet The low-profile metal plate adheresADVANCED THINKING, AR15 UPPER BLOCK Traditional clamp style upper blocks fit poorly and can exert enough inward pressure to damage the receiver when applying torque to a barrel nut or flash suppressor. That's bad design. So, we designed an upper block that leverages the strongest part of the gun the barrel lugs inside the star chamber. The Lug Lok is precision machined and precisely fits into all Mil Spec uppers. It mates perfectly with the barrel