yes that is modern 150gr. ammo. Those numbers are Norma hunting ammo. I load mine with 150sp .311 bullet 41grs IMR 3031 and that gets over 2600fps. It just irritates me to hear someone say the cartridge is "anemic". It has stood the test of time and for a cartridge that was originally designed for black powder, it had done quite well with cordite and smokeless.
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