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Rifles, Reloading, Optics, Equipment
7mm STW
Re-Sizing 7mm STW Brass
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<blockquote data-quote="jimbires" data-source="post: 2582594" data-attributes="member: 11011"><p>I'm assuming this question is due to short case life ? </p><p></p><p></p><p> on any cartridge , belted or not , I'll neck size only until I get my brass tight to chamber . " THEN " I set my die up to resize and only push the shoulder back about .002" . if you're setting the die up on brass that is not fully expanded , you're oversizing the brass . </p><p></p><p> I don't have a STW , but I do have a few belted case rifles . most of these will stretch the brass case about .015" , when comparing virgin to fully expanded . you can try to form a false shoulder on the virgin brass for the first fire . this should help case life by blowing the case shoulder forward instead of stretching the brass case just in front of the belt . </p><p></p><p> if you have short case life due to loose primer pockets . you can buy better brass or back the load down some . or keep feeding it new brass often . not much else you can do on this problem .</p></blockquote><p></p>
[QUOTE="jimbires, post: 2582594, member: 11011"] I'm assuming this question is due to short case life ? on any cartridge , belted or not , I'll neck size only until I get my brass tight to chamber . " THEN " I set my die up to resize and only push the shoulder back about .002" . if you're setting the die up on brass that is not fully expanded , you're oversizing the brass . I don't have a STW , but I do have a few belted case rifles . most of these will stretch the brass case about .015" , when comparing virgin to fully expanded . you can try to form a false shoulder on the virgin brass for the first fire . this should help case life by blowing the case shoulder forward instead of stretching the brass case just in front of the belt . if you have short case life due to loose primer pockets . you can buy better brass or back the load down some . or keep feeding it new brass often . not much else you can do on this problem . [/QUOTE]
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Rifles, Reloading, Optics, Equipment
7mm STW
Re-Sizing 7mm STW Brass
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