I check my brass length with a caliper before reloading. some of the new win brass I bought was all +/- .oo2. all shot well but now when I was ready to reload again I am finding great differences in brass length; up to .015. same load no pressure signs. others have up to .025 I do not have a neck turning kit yet, so I guess my question is how is going to affect accuracy. also is there going to be a problem with any unsafe loads. my rifle is a 30-06 REM 700 the brass varies from 2.475 to 2.500.

Max length for 30-06 is 2.494 inches. Anything over that is a potential problem. I usually trim to 2.484.

You do not need a neck turning kit, you need a case trimming kit.

Don

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Originally posted by bowiler:
I check my brass length with a caliper before reloading. some of the new win brass I bought was all +/- .oo2. all shot well but now when I was ready to reload again I am finding great differences in brass length; up to .015. same load no pressure signs. others have up to .025 I do not have a neck turning kit yet, so I guess my question is how is going to affect accuracy. also is there going to be a problem with any unsafe loads. my rifle is a 30-06 REM 700 the brass varies from 2.475 to 2.500.

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As the other post states this is just the difference between one brass case and another, and you do need a case trimmer, a hand operated Lee will work for one caliber and hunting type loading,few shells, for more rounds get a crank style and trim them all to the "trim to" length in your manual, for now just use the ones at or below the length listed in the other post and then get your trimmer, this is part of the reason to keep track of the number of times a shell has been fired/reloaded and to group them together as they strech and "work harden" good luck and good shooting!!!