EZ Rail - MK III model for most 1911 Frames -TRG-CT
Amazon.com: LThyzszb 1911 Picatinny Rail Adapter Mount, 21mm Under Rail Laser Flashlight Mount for Colt 1911 and Clones,with Four Screws, Four Nuts, and a Hexagon Wrench (Black) : Sports & Outdoors
Hunting Rail Adapter Mount For 1911 M1911+Red Dot Laser Sight For Glock 17 | eBay