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Expected delivery: 1–3 working days
See it in our shop in Aulum, Denmark – directions and opening hours- 14-day right of withdrawal and 365-day returns
- Shop and workshop in Aulum, Denmark
About T4E Performance RBI 50, 100 pcs
High-energy rubber balls with steel-core technology
Umarex T4E RBI 50 are impact rubber balls in .50 calibre, designed for maximum kinetic effect and hitting power. Each ball has steel-core technology that raises the weight to 2.91 g and delivers noticeably higher ballistic energy than standard balls.
This makes the RBI 50 suited to self-defence, tactical training and professional marker use. They are compatible with all T4E platforms, including the HDR50, TR50, CD50 and TP50.
For best performance, treat the balls with silicone oil before use, which ensures smooth feeding and reliable function in magazines and barrels.
Delivery and returns
Shipping options and prices for your country are shown at checkout.
Full 14-day right of return with a money-back guarantee. Unused items in unopened packaging can be returned for up to 365 days in exchange for a gift card. Easy returns via our returns portal. Read more in our terms and conditions.




































































