The LASER PRO CR5 Green Rechargeable Laser Sight has metal housing for maxium durability. It's made for Compact & Sub-Compact Pistols, but also fits full-size pistols, including but not limited to: Beretta PX4 Storm Springfield XDS XD-S Taurus TX22 Compact Kel-Tec P17 H&K Canik Glock 23 32 38 44 Ruger SR22 Walther VP9 CCP (P22 w/ muliple cross-notches in the rail & not the S&W version) Extremely bright 520nm Green Laser Green laser sight is brighter than red especially for daytime use. FDA Class IIIa Laser Product (Does not exceed Class IIIa emission limits. Complies with all FDA Class IIIa regulations), less than 5mW power output. Long-Range Laser Sight: Up to 100 yard daylight range and over 2 miles at night.