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Hi Ronald, you cannot safely fire .45lc in a .410 shot gun. Most .410 bore shotguns are not proofed for the pressures generated by the .45 Colt cartridge. Also, the standard bore diameter of a .410 is as expected 0.410 inches in diameter , the 45 Colt is 0.451-.454 inches in diameter. That is significantly larger than the bore of a 410 shotgun. The combo guns you see that shoot both, like the Taurus Judge, are chambered for the larger .45lc. Here is a single shot rifle that will fire both budsgunshop.com/product_info.php/products_id/160018/rossi+survival+410+45+16.5+takedown , What you really want is the Rossi Circuit Judge, but it is currently out of stock https://www.budsgunshop.com/product_info.php/products_id/62787/rossi+circuit+judge+45lc+410ga+18.5+hardwood+5rd , Stay safe & have a great day!

Hi Ronald and welcome. No Sir, it can't. Buds also has many .410 shotguns listed incorrectly as .410/45LC. they should be .410 only. When in question, always check with the manufacturer or ask the community here as you have done. This is important for safety and warranty reasons. Cheers and stay safe!

no 410 shotguns cannot safely fire 45LC ammo some 45LC revolvers and rifles can fire 410 shells "It is unsafe to shoot 45 LC in a 410 shotgun. The standard bore diameter of a.410 is 0.410 inches in diameter with constriction down to ~0.375 inches if your gun is choked about full choke. The 45 Colt is 0.451-.454 inches in diameter. The.410 shotgun was never intended to fire the.45LC. The.410 shotguns tend to have tighter chokes which restricts the bore to unsafe conditions (Pressure) for a lead pistol bullet" shooting a 45lc in a 410 would be like squeezing a 0.452 bullet through a .38 hole.it would be like trying to use a 45 bullet in a 38