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I'd recommend adding a rimfire can as has already been mentioned. I also think you should take a critical look at how much .308 and .45ACP you shoot, if you shoot a ton of .45 & .308 maybe the big cans make sense, but if you shoot mostly 9mm & 5.56 I'd go with dedicated 9mm & 5.56 cans. Buying a .308 & .45 cans and shooting mostly 9mm & 5.56 is kinda silly, you end up with excessively large cans that are louder for no reason.
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I agree with the centerfire rifle cans but would disagree with the pistol caliber cans.
Take the Griffin Revo 9 vs 45
Both are 1.375" in diameter
the Revo 9 is 7.6" and 11.2 ounces
the Revo 45 is 8.2" and 12 ounces
that's only a little more than half an inch longer and less than an ounce heavier.
Take the Silencerco Octane 9 vs 45
Both are 1.375" in diameter
the Octane 9 is 7.5" and 10.8 ounces
the Octane 45 is 8.5" and 12.1 ounces
a little larger difference but just an inch and a little more than an ounce heavier.
about the same difference between an Osprey 9 and Osprey 45 as well
So for just an inch and an ounce, you gain the capability of shooting .45, .40 and 9 through one suppressor.