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Sizing .375 cup and core bullets to .366 (9,3) #15221044 09/13/20
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PatagoniaHunter Offline OP
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Hello,

I have a bunch of Hornady Interlock .375" bullets in 225 and 270 grs. I want to size some down to .366" (9,3 mm). Are there any factory sizing dies to do that? Have any of you did it?
Thank you in advance!

PH

BP-B2

Re: Sizing .375 cup and core bullets to .366 (9,3) [Re: PatagoniaHunter] #15221141 09/13/20
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brydan Offline
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A lot of 375 shooters will be interested in the 225's. Sell em and pick up some good 9.3's

Re: Sizing .375 cup and core bullets to .366 (9,3) [Re: PatagoniaHunter] #15221256 09/13/20
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fremont Offline
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No, you really don't want to do that.


Murphy was a grunt.
Re: Sizing .375 cup and core bullets to .366 (9,3) [Re: PatagoniaHunter] #15221335 09/13/20
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Tejano Offline
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It can be done but the jackets will loosen up due to spring back and accuracy can suffer. Agree with others trade or sell them and get .366" bullets. How many 225's do you have, I might be interested. PM me if you want to sell them, I don't have any 9.3s to trade.


"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli
Re: Sizing .375 cup and core bullets to .366 (9,3) [Re: PatagoniaHunter] #15221477 09/14/20
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PatagoniaHunter Offline OP
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Thank you! As I also have a .375 H&H, and plenty of 270 grs Hornady Interlock SP, I use them. A friend, some 1600 km from home, size a box of this down to 9,3 and the accuracy was more than good! The same as with the 286 grs Hornady Interlock 9,3 bullets. I bought 2 boxes of the 225 grs just to try to size down and use for practice in the 9,3x62 to complement the rather expensive 220 grs FOX monometalic slovenian bullets I like so much! So, I want to try sizing them to .366".
I am open to other experiences doing this.

Thank you!

PH

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