Weighing in at less than an ounce, the two new LaserMax models are specifically designed for Springfields 5 Tactical Model in .45 ACP. Models previously released by LaserMax fit the other XD calibers. The LMS-5XD45-ACP kits will simply replace Springfields factory guide rod, spring, and take down lever, adding no additional weight or bulk the firearm whatsoever. The electronics, batteries and miniaturized laser diode are all housed within the LaserMax guide rod, which is crafted from tough aircraft grade aluminum. LaserMaxs ingenious design incorporates the activation of the laser into a custom take-down lever. Installation is a simple process that can be performed by the end user in minutes with no special tools. Sights come with customized alignment, permanently set for guaranteed center of mass accuracy. For: Springfield XD Tactical (5" barrel) Caliber/s: .45 ACP Battery Model: LMS-3x393 (readily available silver oxide batteries commonly used in watches) Accuracy (20 Yards): 3" POA Laser Operating Temperature: 15-120 F Wavelength: 635nm (red-orange) Power Output: 5mW (brightest available - blinks for highest visibility) Spot Size: at 7 yds 5/16, spot size at 25 yds 3/4. Please Note: 1. Expect to change your batteries once a year with typical usage. 2. Cold weather batteries are available for some models. Call Factory for details. 3. Battery operating temperature is 15F-120F Manufactures Website Address www.lasermax.com Warranty Information