Hi fellas, need a quick question answered. On a 375H&H Im loading 300 gn Partitions. My COL and headspacing along with my mag. length tell me I can have a cartridge of X-length. On the Nos Par. there is a crimp ring on the bullet that when I seat the bullet to the ring it really shortens up my C.O.L. along with the trouble of limiting my powder load to the point of compressing. Do I have to seat to the crimp ring or can I go to the COL my rifle wants? and not worry about the crimp ring???

I seat longer than the cannalure all the time with the 338. I use RN mostly so that I can have max bullet weight and max powder space. Just seat them off of the lands and lightly crimp. It will work fine in a 375.

Hope this helps,

-Catter

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Shoot the largest caliber you can shoot well, and practice , practice, practice.

lynxtrapper - Not crimping on the cannalure may be fine. However, make sure you test your gun at the range with a magazine full of cartridges. Do not shoot the last round in the magizine - measue it for OAL. Just make sure that recoil is not slamming the bullet into the case i. e. seating it deeper.

Heavy recoiling rifles generally do best with a crimp. You may want to look into a Lee crimper. They seem to work well on non-cannelure bullets.