WTB--reamer

I don't, but these guys do, for a reasonable $21.00 plus shipping:
http://www.mcmaster.com/#reamers/=141yctp
 
5of7 said:
The reamer is ordered....thanks. 8)
Excellent! I hope it works well for your application. I've used that supplier for 30+ years, both individually and industrially.
 
McMaster is a great company. You must take great care when using an unpiloted reamer to keep the throats round. I believe I would make a guide sleeve out of a fired case to keep the reamer centered. You want to ream from the rear as you know.
I have one of the Brownells .452 reamer sets and the pilots are a great help but it is still possible to get an egg shaped throat if you dont keep the reamers shank centered in the chamber area. Keep plenty of cutting oil on it. Brownells Do-drill is the one I use.
 
Chuck 100 yd said:
McMaster is a great company. You must take great care when using an unpiloted reamer to keep the throats round. I believe I would make a guide sleeve out of a fired case to keep the reamer centered. You want to ream from the rear as you know.
I have one of the Brownells .452 reamer sets and the pilots are a great help but it is still possible to get an egg shaped throat if you dont keep the reamers shank centered in the chamber area. Keep plenty of cutting oil on it. Brownells Do-drill is the one I use.

I did make a bushing to support the back end of the reamer and the throats came out nice and round and right at .4525.

I shot some .452 RNFP cast bullets yesterday and there was no leading and the groups were as good as this gun shoots jacketed bullets.

I am using the .45 SP. Cowboy brass which is the same length as the .45 ACP, and because the case is so much shorter than .45 LC, the shot to shot variation is much lower than when I try to shoot a light load in the longer case.

That is what I was looking for, so I am happy with it.8)
 
Glad you're happy. I'm happy that it all turned out well, and that one can depend on some advice and hints.
 
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