DM Diffusion T4E pack of 100 extra heavy rubber and metal balls for .50 caliber weapons
Amazon.com : 100x Premium Quality Hard Mix Rubber Steel Balls Paintballs Reballs Powerballs in 50 Cal. for Shooting Training Home and Self Defense Pistols in 50 Caliber : Sports & Outdoors
Anyone tried the 50 cal home defense rubber ball gun by Umarex? I love this thing, it's an absolute blast for indoor garage shooting, plus it's loud and crazy powerful. : r/airguns
Umx T4E 50 Cal Rubber Ball 250Ct Jar - Fin Feather Fur Outfitters