Reloading Copper

KLS

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Does anyone do anything differently when loading copper bullets?

Copper bullets are a bit pricey I wouldn’t mind cutting to the chase a bit to find an accurate load.

Using the ammo for hunting big game. 223, 243, and 6.5 PRC.
 
The load data for homogeneous copper bullets is different than cup n core or bonded, partition bullets. Go direct to the manufacturer for load data. Make sure your barrel is clean and copper free before testing. The Barnes website gives lots of advice but only shooting with your rifles will tell the tale.
 
I have quite a bit of experience reloading Hornady CX and Barnes LRX for 7mm PRC.... I reloaded to max COAL to work in the mag for hunting. These bullets are long and if you want good velocities you will find that you need to do compressed loads sometimes.
 
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Does anyone do anything differently when loading copper bullets?

Copper bullets are a bit pricey I wouldn’t mind cutting to the chase a bit to find an accurate load.

Using the ammo for hunting big game. 223, 243, and 6.5 PRC.
My advice to your Brother is to find or request a book for loads specific to the bullets as in the weight and make. and stick to book loads. you can send an email to the maker of the bullet your going to use and request load data specific to it. length powder primer etc. good luck.
 
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A short-cut that often works is to seat 50 thou off the lands, then load a pressure series of one cartridge per grain and shoot through those until you find what seems to be your working maximum. Load 5 or 6 of those and see how they group; you might already be done. Hunting ammo is mostly about getting around the velocity that you expect, and shooting good enough. You could play with seating depths from there is you want, make big changes of 30 thou or so and see if something jumps out at you.

Barnes used to suggest something very similar if not exactly the same. Then there’s the millions of hunters hope that their factory ammo has somewhere around the expected velocity and shoots good enough. There actually is such a thing as good enough.
 
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