Volquartsen LLV Compensator w/ Knurled NutFits the Volquartsen LLV Barrel Upper and Volquartsen Scorpion Pistol The perfect match for your new LLV Barrel... It matches the unique slab sided barrel profile, threads onto the LLV barrel's 1/2 x 28 muzzle, and is Built for Accuracy! Available in Black or Silver. This compensator also fits the Volquartsen Scorpion pistol. Be sure to visit our Volquartsen Home Page.