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Old December 4, 2012, 09:53 AM   #17
hounddawg
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Join Date: March 1, 2009
Posts: 760
ok my bad on interpreting your previous post then. I thought you were stating that the stress caused by moving the shoulder back to far was weakening the case metal. Now I know my head space was definitely on the short side, last eve I put the go gage in and felt more than normal resistance which I corrected. After resetting the headspace it closes with no resistance on the go gage, but 2 pieces of scotch tape on the end and it would have to be forced. Could a short head space cause a weakening of the case metal in the middle of the case ?

For what it matters my neck sized cases are 1.838, SAMMI specs are 1.840. I reload to a COAL of 2.260 which for my barrel is .080 off the lands. A bit of a jump but it works so I have not messed with it. I don't own a case comparator but I guess I should. I just did a full resize on the new cases then and since use a Forster neck size die

Oh and on the powder load here is a link to a Sierra reload data page where it shows up to 25.1 grain loads of RL10 is a safe load using a 26 inch barrel. SInce I did my load workup I have never used more than 24.5 grains + or - 0. All loads are trickled to weight to a scale double checked against a beam balance

http://www.rugerhunting.com/204_Ruger_sierra.pdf
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Last edited by hounddawg; December 4, 2012 at 10:42 AM.
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