|05-11-2010, 02:16 AM||#1|
Join Date: May 2010
New Service 45 Colt Problem?
I have a Colt new service(old model) I had slugged the bore .454- I bought a mold which drops a .455 bullet.But when I slugged the cylinder throats they came out at .451. Is this common in old Colt revolvers? What should I do, I want to shoot it. The .451 slug when pushed down the barrel seems to fit tight and comes out with nice rifleing grooves. Please give me some advice. This revolver is in very good condition and I'd hate to do anything that would alter the value.
|05-11-2010, 02:59 AM||#2|
Join Date: Apr 2010
Location: North Carolina
It was once a pretty common problem with 1873 SAAs. Bore diameter was .454 with .452 throats, and it caused accuracy and lead fouling problems. It was also a problem in some of the early Ruger Blackhawks. The cure was fairly simple. Have the thoats reamed to match the bore diameter, and use .454 bullets. Any revolversmith should be able to handle it in quick-time.
It's also possbile that the throats are sized to the bore, so slug the bore and determine that. You may just have to size your bullets to match, or get a different mould.
Last edited by JohnnyT; 05-11-2010 at 03:01 AM.
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