Barrel leading w/wadcutters TLE II - Kimber Forum

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Old 06-04-2017, 02:38 PM   #1
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Thumbs down Barrel leading w/wadcutters TLE II

Wonder if anyone shooting .45 wadcutters in their Kimber 1911's have a lot of bore leading. My other 1911's don't seem to be anywhere near as bad. My load is a 200 gr. SWC over 5.2 grs Unique. Maybe the bore is on the small side?
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Old 06-04-2017, 02:49 PM   #2
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Have you slugged your barrel to see what size the bore is? Lead bullets should be .001 to .002 larger than the bore to seal the gasses.

I use the xtreme copper plated 200 grain SWC and 6 grains of Unique for my Kimber Eclipse Ultra. Shot thousands of these with no copper or lead problems.


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Old 06-05-2017, 08:56 PM   #3
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Originally Posted by Albert.Cairns View Post
Have you slugged your barrel to see what size the bore is? Lead bullets should be .001 to .002 larger than the bore to seal the gasses.

I use the xtreme copper plated 200 grain SWC and 6 grains of Unique for my Kimber Eclipse Ultra. Shot thousands of these with no copper or lead problems.


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Bore seems to mike at about .450". Maybe too tight. I'm going to try 200 gr. copper plated bullets. They were a big help with revolver leading in the past, but lead seems to be the cheapest. Thanks for the advise.
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Old 06-06-2017, 03:37 PM   #4
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Exclamation Try This!!

From 40 years of reloading experience:
If you are going to load lead bullets to velocities over 900 fps, purchase or make your own "hard cast" lead bullets. Do not use swagged pure lead bullets. Hard cast bullets should contain at least 15% tin and antimony.


SWC bullets dropped of this mixture can not be scored or scratched with a fingernail and I have loaded them up as fast as 1500 fps in .357 magnum casings and no leading. You can easily push .45 ACP's over 1000 fps with no leading. I have found then to be extremely accurate for shooting and extremely deadly on game.
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