Diligent Defense Co. CBAH .33 Caliber 5/8×24 Plan B Flash Hider

Natural variation in the heat treated finish is normal and purely aesthetic. It does not change the strength, performance, or overall effectiveness of the muzzle device. Features: All critical alignment features machined in one set up. Compatible with common .900″-24 silencer mounts (DDC ZILCH, Q PLAN B, REARDEN ATLAS) .33″ bore for .30 cal or smaller projectiles, 13/16″ rear hex for easy installation and removal, CNC machined from 17-4 PH stainless steel, heat treated to H900 condition, 360 degree port orientation-no shims required, 1.5 ounces 1.45″ total length.