100 Rounds Solid Nylon 50 Cal. Paintballs 50 Cal Rubber Balls Ammo for Tr50 Reusable .50 Caliber Hard Plastic Projectiles for Self Defense

Works well

To clarify; this review is specifically for people that are buying these to use in an Umarex HDR50/TR50.The good: These measure right at .50 and you can force them into the cylinder snd probably shoot them.The problem: I found the TR50/HDR50 is actually chambered for .47-.48 ammo. These seemed very tight in the cylinder so I popped them back out with a rod and replaced them with the factory nylon that came with the gun. The factory balls were now significantly looser in the magazine. One would fall out if you turned the mag front-down. I measured both balls with a micrometer, this one is as advertised at .50, the factory is closer to .47. (Or 12.7mm to 12.5mm)I believe you can probably use these, but if you go back to nylon made specifically for the ".50" T4E line, the smaller factory ammo can fall right out of the cylinder magazine after using these balls. Your call as to whether or not it's worth it to save a few bucks over factory ammo.

Worked fine

I love the color and i like that these don't have paint in them. Just for fun paintballs.

This product was priced well and it performs well.