Exclusively designed for Springfield's 4-inch Service model .45 ACP and 5-inch Tactical model .45 ACP, LaserMax releases the LMS-4XD45-ACP and LMS-5XD45-ACP (respectively). Compatible with all standard holsters, both laser sights have a spot size of 5/16-inch at 7 yards and 3/4 inch at 25 yards. With a power output of 5mW, and blinking for highest visibility, the sights have an accuracy of +/- 3 inches POA at 20 yards. Lightweight and easy to use, to activate the laser, simply push in on the switch pin located inside the takedown lever. Pushing in from either side will turn the laser on, while the middle position is off.