headspace gage on rimmed ammo
We had discussion at the range last Saturday. It came up when a Mosin was put on the 'used for sale' rack.
Some advocate a religious use of a field or no-go gage on mil-surp pieces.
Some argue that for rimmed cartriges, let the results of 5 rounds from a bench at 50 yds tell the story.
Comments please.
Some advocate a religious use of a field or no-go gage on mil-surp pieces.
Some argue that for rimmed cartriges, let the results of 5 rounds from a bench at 50 yds tell the story.
Comments please.
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I do the wecsog field test on them and put a couple layers of scotch tape on the case head and see if the bolt closes. If it does it becomes someone elses problem.
rich
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On a rimmed (or belted) round, and if you know what the GO/NO-GO dimentions are, you can do it with a (fired) case and tape, or small diameter solder.
Either add tape until closing gets stiff, or place a ring of solder around the body at the rim chamber and close the bolt fully. Measure the combined thickness of the solder and rim (or rim and tape) and compair to the go/no-go dimentions.
Looking at where the shoulder is (or how much it's grown) vs a new round dosen't tell you anything about the headspace.
Some guys like a mag full of lead, I still prefer one round to the head.0
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