Lightweight and high-strength SUS630 hardened stainless steel Picatinny rail mount Mounting plate machined from 6061-T6 aluminum MOUNT COMPATIBILITY: 1913 Picatinny RED DOT COMPATIBILITY: Aimpoint Micro Standard C-MORE, DELTAPOINT PRO, DOCTER/NOBLEX, RMR STANDARD, SHIELD STANDARD & all SIG SAUER Open Reflex Sights WARNING: When using screws provided in the package, there is always a chance of hardware marring your optic housing finish/coating Be careful and use your best judgment on which hardware to use for your specific setup All installations should only be done by a certified professional gunsmith and properly tested to pass Mfg: Strike Industries