Buckshot
04-27-2015, 01:19 AM
Several years ago I'd bought a single shot scheutzen rifle chambered 32-40. After slugging the barrel, acquiring the brass and a couple boolit moulds I set to work and loaded up 50 rounds. I wasn't aware of a possible problem I hadn't run across before. The breech block is fitted up so tight that about a third of the loaded rounds wouldn't allow it to close.
http://www.fototime.com/56A137A43BA9195/standard.jpg
http://www.fototime.com/1DB2140B787E6FD/standard.jpg
I threw in a photo of the buttstock 'cause I thought it was kewl :-) I started trying to check rim thicknesses with a dial guess-timator but it was not optimal so I decided to make up one I could use more accurately and faster.
http://www.fototime.com/6A3AEAFCA19293E/standard.jpg
http://www.fototime.com/6960941CF1C4A0A/standard.jpg
http://www.fototime.com/A35A00930CF9145/standard.jpg
http://www.fototime.com/EF30CB149E81144/standard.jpg
I took a piece of common 6061 aluminum bar that was 3/4 x 1.5". Faced both ends then milled a slot to 'just' accept a 32-40 case. Then I milled out the center of the bar to give some 'working room'. Then I stood it up, drilled and then bored a snug 3/8" hole to hold the nose of a .001" dial indicator. I then D&T'd through the side 10-32 tpi to take a nylon hex head screw to bear against the nose of the DI.
The brass disc was formed from a piece of 1/2" brass bar. Chucked in the lathe a hole a few thousandths under the OD of a 4-48 threaded hex screw was bored. It was parted off and the head of the screw was then pressed in place. Finally, the threaded shank of the screw was chucked up and the brass pad was faced flat and it's circumference was cleaned up. It was then screwed into the spindle of the DI. Works like a champ and 50 cases can be sorted in 10 minutes or less. I got the idea from those 22RF rim checkers.
..............Buckshot
http://www.fototime.com/56A137A43BA9195/standard.jpg
http://www.fototime.com/1DB2140B787E6FD/standard.jpg
I threw in a photo of the buttstock 'cause I thought it was kewl :-) I started trying to check rim thicknesses with a dial guess-timator but it was not optimal so I decided to make up one I could use more accurately and faster.
http://www.fototime.com/6A3AEAFCA19293E/standard.jpg
http://www.fototime.com/6960941CF1C4A0A/standard.jpg
http://www.fototime.com/A35A00930CF9145/standard.jpg
http://www.fototime.com/EF30CB149E81144/standard.jpg
I took a piece of common 6061 aluminum bar that was 3/4 x 1.5". Faced both ends then milled a slot to 'just' accept a 32-40 case. Then I milled out the center of the bar to give some 'working room'. Then I stood it up, drilled and then bored a snug 3/8" hole to hold the nose of a .001" dial indicator. I then D&T'd through the side 10-32 tpi to take a nylon hex head screw to bear against the nose of the DI.
The brass disc was formed from a piece of 1/2" brass bar. Chucked in the lathe a hole a few thousandths under the OD of a 4-48 threaded hex screw was bored. It was parted off and the head of the screw was then pressed in place. Finally, the threaded shank of the screw was chucked up and the brass pad was faced flat and it's circumference was cleaned up. It was then screwed into the spindle of the DI. Works like a champ and 50 cases can be sorted in 10 minutes or less. I got the idea from those 22RF rim checkers.
..............Buckshot