Re: 338 LM brass No Headstamp
try weighing the brass that might help find an orign. i load 250 scenars with 97 gr retumbo, fed 215's, lapua brass and they push at 2905 with .562 group or less. also 250 lock base 98gr retumbo, fed 215's, lapua brass,they were goin 2899 and best group was.245...