The NcStar green laser sight fits pistols and guns that have rails with at least 1 9/16" Clearance between the cross notch in the rail and the front of the trigger guard.

• Green Laser: Freq. 532nm, Class IIIa Laser

• Maximum Output: <5mw

• Quick Release Weaver Style Mount

• Fully Adjustable for Windage and Elevation. Includes adjustment tool

• Ambidextrous Sliding On/Off Switch

• All Aluminum Construction. Black Anaodized finish

• Uses 1 CR2 Lithium Type Battery (Included)

• Dimensions: 2.6" L x 1.0" W x 1.6" H

• Weight: 3.3 oz

• Nominal Operating temperature: 59 - 95 degrees Fahrenheit