I toss the small primer ones in the trash if I get 'em. I know guys at the club collect them and toss in brass bucket to go to recycling. No one I know likes the 'change' .... Over 100 years of large primer .45 ACP ... and now this
Standard primers (large or small) will work fine in .45 ACP. You don't load slow burning powders in .45 ACP like H-110 or 4227 ....
A clinger. When guns are outlawed, only outlaws will have guns. Single Action .45 Colt (Sometimes improperly referred to by its alias as the .45 'Long' Colt or .45LC). Don't leave home without it. Ok.... the .44Spec is growing on me ... but the .45 Colt is still king.