Real Avid Lug-Lok Upper Vise Block Prepper 0 is a top-tier bag

0 is a top-tier bag for anyone whose critical gear needs to ride on their back and be easily accessible when the time calls for it

helping you stay agile during extended wear

Upgrade your case organization with the Pelican Products 1500 Padded Divider Set

150 denier polyester outer covering

Real Avid Lug-Lok Upper Vise Block Prepper 0 is a top-tier bagTraditional 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. Thats 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 lugs, while allowing you to rotate the