Yeah @Justice that’s the one, Go for it mate.
Looks like a cracker of a round, I’ve never heard of it before.
Just something about it makes me want one, from what I read it’s ballistics are pretty good. It’s got a pretty awesome taper on the case too.
It’s been around awhile, it was designed in the same year that @Oldbloke got his drivers license, 1906 
@no1mk3 should be able to fill in the gaps as it was designed to replace the 303 in Canada
8mm Mauser.
Looks bigger than 8mm to me.
358 Winchester?
Pfft 8mm 
Let’s just say it’s big and can generate 10,000 lb⋅ft (13,600 N⋅m) of muzzle energy.
Here it is next to a 22lr
458 socom?
Close but bigger
.50 Beowulf
577 Tyrannosaur
It’s a animal name in Africa
But not a dinosaur
470 Rhino
69 Giraffe
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LOL ur all getting closer
.585 Nyati
