LaserMax LMS-1911S Internal Laser Sight

For: Goverment Model 1911 (5" barrel) polished stainless (Does not fit polymer frames) Battery Model: LMS-392 (readily available silver oxide batteries commonly used in watches) Accuracy (20 Yards): User Adjustable 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”. If any firearm has been ported, fluted or compensated either by the original manufacturer or by a gunsmith, LaserMax will NOT guarantee alignment. Custom alignment quotes for firearms may be obtained by calling LaserMax. NATO Stock No. 1005-99-500-4480 U.S. Patent Nos. 4,934,086 & 5,509,226. European Patent No. 0431097 Other worldwide patents pending. 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 15°F-120°F