Gidday,
I've just built another 300wsm, shorter compact version than my other long range one. Both are Tikka T3.
Currently in my older gun I just bump shoulder back 2-3 thou when resizing. My question is with my new build, I'm not using new brass but have got my old brass that's done 2-3 firings. Should I be full length sizing back to SAAMI for the new gun? Bumped brass chambers fine new gun.
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