25-7 PRC Load Work

Joined
Aug 25, 2025
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Does anyone have any load data on the 25-7 PRC. I have read the articles that West Texas Ordnance has put out, but I was curious if anyone else had any loads worked up for that caliber.
 
My coworker built one a few months ago. He got some N560 from me. He's still working on a load. Sorry I don't have any answers for load data. Other than it's finicky but is getting 3150fps with a 134gr bullet. Possible of going up to 3200 plus. (Looked at an old text)
I did the 6.5-7prc. Great results with N570. We both used ADG brass, short action custom bushings for going down in neck size.
 
I am using WTO’s new 25-7 brass which looks like ADG packaged brass. I was wanting to look at loads for the 133gr Berger Hybrid Hunters using maybe N565. I was also thinking about trying out something a little lighter and seeing how the gun liked that maybe a 115gr.
 
Following. This cartridge sound very cool. Must rival and possible beat .257 bee. I just built a 25-06 AI and really dig the .257 heavy pills at 3150. Real life laser.
 
The more I am researching I would like to land somewhere around a 115gr. I might just have to do a little experimentation.
 
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