Originally Posted by
BarnesX.308
How does it work? 338 is fire-formed to blow out any taper? Then you neck it down to 7mm? A two step process to form them? Do you have to trim as well?
correct, the cases are necked to 7mm, then fireformed, blowing out most body taper and changing the shoulder to around 35 degrees, have never trimmed one yet,
a pic, the 3 cartridge/cases on the right are 338 lapua necked to 7mm, formed 7mm AM, loaded 7mm AM
RR