Ruffs Precision Rail Cap Features The Ruffs Precision Rail Cap is designed to be compact and lightweight while remaining compatible with as many optic and accessory combinations as possible. This diving board style cap lets shooters mount a rail mounted laser rangefinder or a secondary red dot aiming device directly above or forward of their primary magnified optic without the bulk of a separate mounting system. Because the cap is a simple replacement piece it fits all existing RPM products including the CLR series rings and both Bravo and Delta cantilevers already on the market. This broad compatibility means shooters who already own RPM mounting hardware can add this accessory capability without purchasing an entirely new ring or cantilever setup. Machined from aluminum and finished in Flat Dark Earth the cap matches the increasingly popular earth-tone finish found on many modern precision rifle builds. At just 0.12 lbs the cap adds negligible weight to the existing optic mount while opening up new accessory mounting real estate. The cap screws included with the purchase are the exact screws needed for installation meaning no separate hardware search is required to get the part mounted correctly. For shooters running a 30mm tube optic who want to add a rangefinder or secondary sighting device the Ruffs Precision Rail Cap is offered for sale at GrabAGun. Ruffs Precision Rail Cap Specifications Manufacturer: Ruffs Precision Model: Rail Cap Scope Tube Diameter: 30mm Color: Flat Dark Earth Material: Aluminum Length: 4.90 Width: 2.5 Height: Low Weight: 0.12 lbs Compatible Hosts: RPM CLR Series Rings Bravo/Delta Cantilevers Available At: GrabAGun