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Ruger Blackhawk tune up

This is a discussion on Ruger Blackhawk tune up within the Gunsmithing forums, part of the Firearm Forum category; I bought a .45 Colt Blackhawk 4.75" blued after months of trying to get a convertible. First thing I did was measure the cylinder throats ...


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Old May 14th, 2011, 11:36 AM   #1
 
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Talking Ruger Blackhawk tune up

I bought a .45 Colt Blackhawk 4.75" blued after months of trying to get a convertible. First thing I did was measure the cylinder throats and inspect the forcing cone. Interesting the forcing cone had a raised lip at the very end.
I could feel it with my finger. Throats measured .449 to .450. Ordered the .452 throat reamer and the forcing cone champering tools from Brownells. I shoot only my own lead bullets so the gun was not fired until the throats were done and not yet since the strange forcing cone was cleaned up. So far a number of 225 grain Saeco's have been fired using Power Pistol, Green Dot and 2400. Results so far have been good, 2"/18yds especially with Power Pistol.
Also the terrible factory grips were replaced with a set of Hogue Cocobolo
two piece cowboy. Much better for shooting and looking. Anybody else had a
experience with a forcing cone with a lip ??



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Old May 14th, 2011, 03:46 PM   #2
 
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I've re-cut all my 45's but none of them had a "lip" on the forcing cone. Cutting to 11degs makes clean-up a little easier and helps tighten up the groups. Most of my throats were like yours, all over the place so they got reamed too.
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Old May 14th, 2011, 03:50 PM   #3
 
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Hi Doc45:
I chamfered the cone to 11 degrees also. Haven't shot it yet since the cone work.
Will however in the next week. What improvements did you see ??
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Old May 14th, 2011, 08:20 PM   #4
 
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Quote:
Originally Posted by rburke44 View Post
Hi Doc45:
I chamfered the cone to 11 degrees also. Haven't shot it yet since the cone work.
Will however in the next week. What improvements did you see ??
I think that by cutting the cone to 11degrees, it helps stop lead build up which in turn, helps your accuracy. My groups got a little tighter after re-cutting.
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