Burris Fast Fire Slide Cut Posted on September 12, 2014 by LMG FireArms Glock G20 with the slide cut to accept the Burris Fastfire. This cut/dovetail can be performed on a variety of handguns to accept the Burris Fastfire and Trijicon RMR. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading... Related