Ultimate Arms Gear Tactical New Generation Micro Red Dot Laser Sight For S&W Smith & Wesson 1911 M&P SD9 SD40 Pistols With A Front Weaver Picatinny Rail
Length- 1.5 Inch Overall While Requiring A Minimum Of Just 0.75 Inch Of Free Rail Space ; Height- 0.75inch; Weight-1.1 oz; Wavelength- 635-655nM ; Power- <5mW; Red Dot Size @ 30 ft-<2mm; Material-T6061 Aluminum Alloy ; Battery -(2) L444 Button Cell Or Equivalent (batteries included); Battery Runtime- 2-3 hours; Switch- On/Off rear access push button ; Rail Type: 7/8" Weaver-Picatinny