... and accurate method for sighting in any 9mm firearm. Simply chamber the 9mm bore sighter like a regular bullet and ... We adopt the world famous laser diode and mount with high quality 100% brass housing to ensure the whole product durable ... provide series of Bore Sight, they are. 223, 204,30Carbine, 9mm, .22, 7.62x39, 7.62x51, 7.62x54, 8x57mm, 25 ... gun types. 100% brass and gold-plated bore sights 9mm