25 prc? 25-7 prc? Experiences? Gotchas? Intangibles?

cal30_sniper

Lil-Rokslider
Joined
Jul 20, 2020
Messages
139
Location
NM
25/300 WSM dies are available, and PBB has a chamber reamer for it. Good ADG 270 WSM brass makes an easy neck down. Essentially the same case capacity as a 7PRC but fits in an extended box short magazine which the 25-7PRC is just a smidge too long for with the 133-135gr bullets seated all the way out.

I’m putting one together on a Defiance AnTi-X short action with the Unknown Munitions mag cut for a 3.150” box.

6mm CM in the photo for comparison, these are the dummies I sent in to have the barrel throated properly.
 

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T_Widdy

Lil-Rokslider
Shoot2HuntU
Joined
Nov 24, 2023
Messages
249
Location
Wyoming
25/300 WSM dies are available, and PBB has a chamber reamer for it. Good ADG 270 WSM brass makes an easy neck down. Essentially the same case capacity as a 7PRC but fits in an extended box short magazine which the 25-7PRC is just a smidge too long for with the 133-135gr bullets seated all the way out.

I’m putting one together on a Defiance AnTi-X short action with the Unknown Munitions mag cut for a 3.150” box.

6mm CM in the photo for comparison, these are the dummies I sent in to have the barrel throated properly.

what case are they headspacing it off of?
 
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