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Posted By: PatagoniaHunter Sizing .375 cup and core bullets to .366 (9,3) - 09/14/20
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
Posted By: brydan Re: Sizing .375 cup and core bullets to .366 (9,3) - 09/14/20
A lot of 375 shooters will be interested in the 225's. Sell em and pick up some good 9.3's
Posted By: fremont Re: Sizing .375 cup and core bullets to .366 (9,3) - 09/14/20
No, you really don't want to do that.
Posted By: Tejano Re: Sizing .375 cup and core bullets to .366 (9,3) - 09/14/20
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.
Posted By: PatagoniaHunter Re: Sizing .375 cup and core bullets to .366 (9,3) - 09/14/20
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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