BH- love to reload, then go pick on the p.d.s w/.204. I reload w a progressive, so the small dia. of the neck, I use ball pwdrs. have never just neck-sized, but to use a shim @ that location, to do so intriges me. Between shooting the .17HMR, .17m/2, .204, .223, the p.d.s have a hard time stayin...