The lead-alloy core, similar in composition to hard-cast bullets, ... Currently, Barnes Busters are available in .44-cal. (0.429 inches, 300-grain), .45-cal. (0.451 inches, ...

I size 200-gr. flat-nose bullets in a 0.359" sizer die for a perfect fit in a Smith & Wesson 686 .357 Mag. Powder-coating also adds 0.002" to bullet diameter. Even hard-cast bullets are elastic ...