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Gentlemen, I just bought a new Blackhawk SS 45LC with 51/2 barrel. Cyl. throats are about .4508  bore dia. is.4513. Used egg sinkers (the hard kind) to slug.Should I ream the cyl. throats to the STD .4525 and use .452 bullets or would I get a better seal with the bore if I go to .453 throats and use .453 bullets. I will lap the barrel. Also I am thinking about buying a throat reamer from Brownells. Can anyone tell me if this is a dry reamer or should I use some type of cutting oil.         Thanks for any help                                                                                                                ED P
 
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