Breakthrough Ar15 Upper Block< - Thru-Hull Fittings Same as Cole Hersee part

Same as Cole Hersee part number 5582-30

A standard of excellence in an economical antenna

Basic with Combat Gauze and Advanced versions

Built to Withstand the Harsh Marine Environment with Electro-Coated Motor

Available with Scott and TruGlo strap

Breakthrough Ar15 Upper Block< - Thru-Hull Fittings Same as Cole Hersee partThe breakthrough clean technologies ar15 upper vise block is engineered to seamlessly fit into the barrel lugs, providing a secure anchor for vise clamping. This ensures the safe application of torque for precise manipulation of the barrel nut or muzzle device, safeguarding the integrity of the receiver. The included removable plug adds an extra layer of stability, ensuring the vice block stays firmly in place throughout use. Trust in this