gary reeder
during development of the 510 GNR Kelly brost
Saturday, December 07, 2019, 23:58

ordered a mold to my design which was a gas checked 350 grain hard cast bullet. I had a Bison hunt at the Y.O. coming up and the mold hadn't come in yet and all Kelly had were some 300 grain plain base bullets. I grabbed a bunch of them and if I ran them past 950 they leaded up my barrel big time. So I took them on the hunt loaded up to about 875 or so, well under the 1000 fps that I knew would lead up my barrel.I ended up taking the Bison with that load and the bullet exited. I actually took 2 Bison with the 510 GNR and in each instance the bullet went completely thru..


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