1897 Project No. 1

[ssgross]

next bit todo is to fit this new receiver extension to the barrel. The magazine opening stops hand tight at 10 o'clock. at 32 threads per inch, that means we have off ~0.018 to go into the shoulder magazine opening at 5 o'clock before torquing down to 6 o'clock. The old broken extension still screws on, hand tight at 5 o'clock, and the receiver locked up tight on it with a few notches of the sleeve to go. So I put it on and did some measuring from the shoulder where the adjustment sleeve sits inside the extension to the chamber face. It's 0.823. With the new extension hand tight, it's 0.625 or so. So I should carefully hand fit with files, removing material from the front of the extension.

This wasn't too hard, but time consuming. I then tightened down the extension, put an adjustment sleeve, and whata-ya-know...a perfect tight fit right! Dummy round chambers and ejects just fine! Just when I'm about to pat myself on the back for my beautiful hand fitting metal-to-metal file work, there is daylight between the receiver and the extension, and a bit more than a sliver. I have 3 other adjustment sleeves to try to close it up. If that don't work, then I'm out a few cases of beers worth for the ruined repr-extension, and I'll sendit off to get done.