Developed specifically for the Scorpion EVO this model of the Eclipse has 18mm threads the Scorpion EVO Tri-Lug adapter mounts securely to the barrel with a 13/16" wrench (torque to approximately 25 ft lbs) and allows for mounting of all Tri-Lug accessories such as flash hiders and suppressors. The Scorpion EVO Tri-Lug Adapter is marked MA USA to denote a U.S. made part that counts towards 922r compliance.
Material: 8620 steel with Rockwell 50C heat treat
Finish: Black oxide
Weight: 2.0 ounces
Length: 2.4 inches
100% designed and manufactured in the USA