Great gunsmithing minds think alike, or at least that's what I discovered while speaking with one of the knowledgeable folks at Caspian Arms, who as luck would have it, did more than share the dislike for lapping compound when fitting a 1911 frame and slide.
When it comes to fitting a beavertail, aligning the holes that allow the grip safety to interface with the frame is only part of the process. The next phase involves cutting and polishing the recontoured tangs with the safety by rubbing (or lapping) the parts together, which results in two surfaces evolving toward a common shape.
After roughing out the tangs, recontouring them and lapping the beavertail, at last you can finally slip your thumb safety of choice into place. All that remains is to function test its travel by moving it into the engaged/disengaged positions, right? Well, maybe not.
It's been said the road of life and success is beset with challenges and obstacles. As if building a 1911 isn't enough of a challenge, what do you do when the pot holes are of your own making?