r/canadaguns • u/meowmixonroids • Jul 31 '26

Misc What’s the largest caliber rifle that’s available in the open market?

I was scrolling through Reddit earlier and came across a historical post featuring a Boys anti-tank rifle. It got me wondering:
What's the largest caliber rifle you personally own?
And out of curiosity, what's the largest caliber rifle that's currently available on the market?
Looking forward to seeing everyone's answers and maybe a few pictures too.

Cheers

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u/K2LLswitch Jul 31 '26

Safari rounds under 10,000 joules are the biggest legally allowed ones. For example

375 H&H
500 nitro express

There are a bunch at 450 and 460 but I’m not a safari dude.

More common “big” rounds are 45-70 for hunting and 338LM for long distance shooting (though folks favour smaller rounds these days like 7mm PRC.

My biggest is a 325wsm lever

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u/Flat-Dark-Earth Big Bore Specialist Jul 31 '26

500 Jeffery and 375 Enablr come closest to the limit.

577 Nitro Express falls under the limit.

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u/meowmixonroids Aug 01 '26

Ngl something called a Jeffery doesn’t sound scary, but it would probably separate my spine