100% designed and manufactured in the USA
18 x 1.0 RH Metric
Up to .35 caliber (9mm)
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.