DealThe Glock Micro Comp is threaded in the standard 1/2x28 thread pitch.It will work on most 9mm Glock barrels threaded in that pitch, including most 40-9 conversion barrels. The Micro Comp only adds about .45 to the end of your threaded barrel. Our comp was designed for the Glock 19. from 3CR Tactical (Product 3CRGC01) |