Can a 44 caliber pistol fire a 45 caliber projectile?

Answer 1

"Do not attempt this!!!!!!!!!!!!!!!!!!!!

You may cause damage or death!!!!!!!!!!!!!!!"

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Well, yes, but even if it doesn't it won't work anyway so it's a real waste of time and medical insurance. A .44 Magnum round is very close in size to a .45 Colt. The bullet is .03 inches smaller in diameter (which makes quite a difference; the bullet just kind of rattles around in the barrel) and the rim (on the bottom of the round which is a bullet and powder inside a brass case) is just a hair bigger (like .02). All that means is that yeah,the ammunition could be put into the wrong gun and would be close enough to "right" that it would probably go bang if you pulled the trigger.

But the 44 generates a lot more pressure (from the exploding gunpowder. For one thing a .44 round has twice as much powder inside as a .45) so it'll probably blow up the gun. And the bullet won't fit so instead of coming out like a, well, gunshot, it'll come out all wobbly and crooked from banging the insides of the barrel and won't be going that fast because the gas that was supposed to push it all got out past that missing .03 inches of bullet.

So, yeah, don't do it. It won't work and you'll blow up your gun if not your hand and the guy next to you too.