6 PRC reloading

[Schmo]

The bushings aren’t tapered so you’ll want to run an intermediary step
First pass with a .280
Final pass with a .270ish depending on brass


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With Hornady dies this is a non issue. Single step neck down with a .270” bushing on Lapua brass

 

[Schmo]

And no issues with hornady bushings does for necking down brass?

Nope. Single step neck down with a Hornady bushing die using .270” bushing.

 

[FowlMouthA400]

Gonna be ordering myself a reamer this month to start my 6 PRC, think I’ve settled on .140 freebore and will be shooting the 109 eldm.

Playing with the AB app it says the stability of that projectile with a 7.5 twist is below ideal. Do I need to step down to 7 twist to get optimal BC from this bullet?

Will be shot out of a 20” barrel.

 

[Frozenlead]

Gonna be ordering myself a reamer this month to start my 6 PRC, think I’ve settled on .140 freebore and will be shooting the 109 eldm.

Playing with the AB app it says the stability of that projectile with a 7.5 twist is below ideal. Do I need to step down to 7 twist to get optimal BC from this bullet?

Will be shot out of a 20” barrel.

AB generally always shows on the lower end of stability. Both Berger and JDM will show it as stable. You’ll want to stick with 7.5 twist otherwise you’ll be over spinning. There’s a bunch of guys running 20” 7.5tw with the 109.