| Note the drawing. The right hand edge is ground flat instead of being curved. This means that as the sear drops, the lug must move back. I have some aluminum blocks with holes that happen to be roughly the same length as the sear. I drilled the hole to 1/8" and put the sear pivot pin in. I placed the block ontop of 400 grit sandpaper which was on a machined surface. I proceded to "kick" the "toe" of the sear down into the paper untill I achieved a radius curve along the pivot point. I only needed about the first 1/16" curved, because that is the only part that the lug rides on. I should have a pile of those blocks if anyone wants some drop me a line. |