Sniper Compact Tactical Adjustable Red Laser Sight Black Small. 2 in L x .56 in W and lightweight - less than 1 ounce including batteries. High Quality aircraft grade aluminum construction. With adjustable Weaver/Picatinny rail to accommodate accessories. This Picatinny rail features an attached red laser. Specifications for Sniper Compact Tactical Adjustable Red Laser Sights: Manufacturer: Sniper Color: Black Beam Color: Red Finish: Matte Laser Output: 5 mW Attachment Type: Picatinny Gun Model: Universal Length: 2.2 in Width: 0.56 in Fabric/Material: Aircraft Grade Aluminum Included Accessories: Allen Wrench Pressure Switch Batteries Mount Type: Picatinny Package Contents: Sniper Compact Tactical Adjustable Red Laser Sight What firearm models does the manufacturer say Sniper Compact Tactical Adjustable Red Laser Sights is compatible with? The manufacturer says that Sniper Compact Tactical Adjustable Red Laser Sights is compatible with UniversalSniper LSR01: Compact Tactical Adjustable Red Laser Sight Black Small