Crimson Trace Laserguard Red Laser Sight Black 5mW 620-670nm For Sig Sauer P320 LG-420. The LG-420 is quickly and easily user-installed in moments and offers a front activation button powered by Crimson Trace's Instinctive Activation technology. The laser sight will provide four (4) hours of battery life with a single 1/3N Lithium battery and features a quick change battery cover for replacement without removal of the unit. As with all Crimson Trace laser sights the LG-420 is completely user-adjustable for windage and elevation. Fits all P320 models except subcompact frames. Specifications for Crimson Trace LG-420 Laserguard Red Laser Sight For Sig Sauer P320: Manufacturer: Crimson Trace Color: Black Beam Color: Red Finish: Polymer Housing Laser Output: 5 mW Battery Type: 1/3N Lithium 357 Silver Oxide Battery Life: 4 Hours Battery Quantity: 2 Gun Make: SIG Sauer Gun Model: SIG Sauer P320 Fabric/Material: Polymer Mount Type: Trigger Guard Mount Features of Crimson Trace LG-420 Laserguard Red Laser Sight For Sig Sauer P320: Product Type Laserguard Material Polymer Color Black Activation Location Front Activation Attachment Trigger Guard Battery Type One 1/3N Lithium or Two 357 Silver Oxide Batteries Finish Polymer Housing with Rubber Overmold Activation Pad Installation User Installed Laser Battery Life Over Four Hours Activation Mode Pressure Activated Sighting Factory Sighted at 50' User Adjustable Windage and Elevation Warranty Three Year Full Warranty Wrench Size 0.05 Dot Size Approx 0.50" at 50' Included Accessories: Owners Manual Battery Cleaning Swabs Adjustment/Instalation Tool Package Contents: Crimson Trace LG-420 Laserguard Red Laser Sight For Sig Sauer P320 P320 - Does NOT fit Sub Compact What firearm models does the manufacturer say Crimson Trace LG-420 Laserguard Red Laser Sight For Sig Sauer P320 is compatible with? The manufacturer says that Crimson Trace LG-420 Laserguard Red Laser Sight For Sig Sauer P320 is compatible with SIG Sauer P320Crimson Trace LG-420: Laserguard Red Laser Sight Black 5mW 620-670nm For Sig Sauer P320