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Author Topic: 45 LC bore size  (Read 326 times)

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Offline zoner

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45 LC bore size
« on: June 10, 2009, 02:10:19 AM »
i've got an opportunity to swap for a 20" carbine barrel,45 LC,and would like to make it a companion to my 4 5/8" Ruger BH Bisley conversion,the barrel came off a gun with ser # hx....., according to the faq's that makes it a 2007. My trader is telling me tthat he slugged the bore and came up with .454 bore size. I know the 44 mag barrels of old were oversize but don't remember reading about the same situation with the 45 LC....have any of you guys slugged your 45 LC barrels and come up with this oversize bore measurment?
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Offline .375 Hawk

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Re: 45 LC bore size
« Reply #1 on: June 10, 2009, 03:38:19 AM »
Quote from: zoner on June 10, 2009, 02:10:19 AM
the barrel came off a gun with ser # hx....., according to the faq's that makes it a 2007. My trader is telling me tthat he slugged the bore and came up with .454 bore size. .have any of you guys slugged your 45 LC barrels and come up with this oversize bore measurment?

Hi zoner, I have a # HX .45 Colt Classic Carbine ( 2007 ) and the bore is .4515+ To .452.

Eddie
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Offline quickdtoo

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Re: 45 LC bore size
« Reply #2 on: June 10, 2009, 05:26:29 AM »
Mine is .4525" in the grooves and .4465" at the lands measured near the muzzle, .0005" tighter just forward of the throat.  ;)

Tim
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