[jmann]

Does anyone know the dimensions of the oval cutout in the right side plate that the captive recoil spring fits into? I have an old colt book and I plan to try and scale off of that, but wondering if anyone had any better ideas? I already checked with oow and they could not help me except that shane told me how he thought part of it was milled from each side of the plate. I plan to do a lot of experimentation before I make the cut in the rsp, but if anyone had any info that would eliminate some of the guesswork and shop time on the mill I would be in your debt.
Thanks,
John