Crimson Trace LG-111 Lasergrips Ruger SP101 Laser Sight - Red - The LG-111 Lasergrips for the Ruger SP-101 revolver is an ideal blend of rugged durability and ergonomic comfort. Featuring hard polymer construction, but with a smooth surface feel, the LG-111 makes for snag-free draws and the tactical advantage only Crimson Trace Lasergrips can offer. Beam Intensity: 5mW Peak, 633nm, Class 3R Red Laser Dot Size: Approximately 0.5in At 50ft Instinctive Front Activation Black Grip Replacement