Real Avid Lug-Lok Upper Vise Block Micro Cases Powered by a single AA

Powered by a single AA battery

The Blister Medic is the best of both worlds

or on your desk

Dimensions: 39 x 16 x 16in | 100 x 40 x 40cm

Top zippered flap pocket

Real Avid Lug-Lok Upper Vise Block Micro Cases Powered by a single AAADVANCED 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