using redding t-7 press, for 6.5 creedmoor. using a redding full length bushing die with a .288 neck bushing, 1x fired norma (prime) brass, cleaned and deprimed. shoulder bump seems fine at .002 but i put the brass thru and the neck comes out .284/.285 ish,, plus the very tip of the neck is a slight bit flared at .286 ish.
the neck measure .2965-.2070 prior to sizing
i was running .002 of neck tension with a .290 bushing using expander ball, and the loaded round is .292. but i wanted to try a mandrell to help with roundness and concentricity, so i thought i will go down to .288 and then mandrell it out to .290,,,,,,but as stated above, it is definitely not coming out at .288
now i don't mind if it is a little bit off, like .287 or .289, but the flare at the tip seems weird and .284/5 seems way off. using mitutoyo calipers.
i mean, sure i can go back to doing it the old way but i want to know what is happening.
has anyone come across something like this before, is there a nail in my forehead? i don't understand!!!
the neck measure .2965-.2070 prior to sizing
i was running .002 of neck tension with a .290 bushing using expander ball, and the loaded round is .292. but i wanted to try a mandrell to help with roundness and concentricity, so i thought i will go down to .288 and then mandrell it out to .290,,,,,,but as stated above, it is definitely not coming out at .288
now i don't mind if it is a little bit off, like .287 or .289, but the flare at the tip seems weird and .284/5 seems way off. using mitutoyo calipers.
i mean, sure i can go back to doing it the old way but i want to know what is happening.
has anyone come across something like this before, is there a nail in my forehead? i don't understand!!!
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