ummmm i know this isa dumb question but.what about rel7? i have many pounds(also 2400) of it or would i be best to let cast boolits deal with it? from info i gathered, i could go up the charge(imr4895) about a 1 or 2, but i'll be cautious of it. i didn't get the accuracy or the fps, i was just shooting at the middle of target stand. (kick-now and a push-it will get there, eventually ). In fire forming my cases(42.0-44.5gr of imr4895) i did expect the 9.3 to "kick". the shoulder of cases was pushed back and formed. I could find no pushed out primers or soot on the cases. Left case IS NOT fire formed, right case IS fire formed to fire form the 9.3x57 i put in the primer, put in the charge and i topped it off with a bullet. all i did was take the 8x57 and i resized(hornady fl die, i only did the neck of the case, i left about 1/8" gap between the die and the shell holder) it to 9.3x57. Tomorrow or monday, i'll load 20 of the 9.3x57 to 40.0gr of imr4895 and 285gr prvi to fireform them. i did seat it to the magazine length, but i seated the bullet deeper, about a 1/8", (3.115") to give room. i then began to seat the bullet (magazine length). my magazine will have nothing to do with the 9.3x57 because of its length (it don't fit, 3 3/4"). twice!!!! the dummy round only pushed the bullet about 1/8" in(about 1/4"). next i took the rifle out and put the dummy round in. i seated the bullet about a 1/8" into the case. I took a case and a bullet and put them in a bullet seater die. i know that the norma 9.3x57 cases are 2.240" but my cases(8x57) are. when the new 9.3x57 was dry, i trimmed and deburred them(2.215", they were 2.220"). then i'd take the cases into a 9.3x57 fl sizing die, it would be 2 - 3 times(upstroke) till the 8mm was upsized to 9.3mm. when the 8x57's were done drying, then i lube up the inside neck, i was using lanolin paste/wax/anhydrous(don't know, but its like vasoline). the hornady die does have a "new fangled tapered expander balls." so i spayed lube the 8x57 cases and the fl sizing die. This week i got my 8x57 brass and 285gr prvi's and a hornady die 9.3x57. I know i shouldn't have semi custom the rifle, but i will because i can the 9.3x57 will be my close in deer and black bear rifle. i'm thinking that it be 270-280gr boolit that goes about 1700-1800fps. Somewhere i'll have to size the bore and chamber. and finally the trigger should be a timney that goes around 3lbs. i'm undecided if i can 'glass bed the action and barrel. i'm also thinking that it should be a blue coral laminate stock. after that, i'm leaning towards a richards micro stock that will be a wolverine thumbhole or a wildcat style thumbhole stock( it will be a rh action and lh shooter). next, i'll have it drilled and tapped for scope bases and put on a leopuld 3-9x(i have it). the first thing i will do will be 9.3x57 hornady die set, 2 or 3 prvi 8x57 cases, lee universal neck die (it will be a cast boolit rifle), 9.3 case trimmer and brushes. i don't have the money because i'm disabled, it will be a long term project. I know that i shouldn't customize 9.3x57, but i will. Today, i ordered a husky 46 in 9.3x57 from simpsons.
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