.454 or .452

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.454 or .452

Postby the_mad_rshn » Tue Oct 20, 2009 10:59 pm


Loading lead (cast) what do you suggest I size it? I am used to the 454 even though I do have the 452 sizer. Why? Why not?

Thanks all.
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Re: .454 or .452

Postby Siringo » Wed Oct 21, 2009 6:15 am

My experience with cast bullets is to use .452. .453 will work, but make sure the loaded round chambers easily (thunk test). I used 300's to 400's and on all weights the bullet slumped or slugged into the bore upon firing (at least my recovered bullets showed rifling engraving over a larger surface than the as cast bullet). I used bullets from Cast Bullet Performance -- which are fairly hard. I want to revisit cast bullets again, but I would like to see a gas check that is taller(?) dimensionally than the gas port.
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Re: .454 or .452

Postby BD1 » Wed Oct 21, 2009 12:26 pm

To date I've had the best accuracy sizing to .453, which just fills the throat in my barrel.
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