Description
Umarex T4E Rubber Marking Paintball Caliber 0.50 (Bottle of 2×250)
These are Umarex T4E .50 calibre rubber marking balls, supplied as two bottles of 250 (500 in total). They are made for T4E .50 calibre markers such as the T4E HDP pistol, and are the everyday round for target practice, training drills and home range use.
Umarex’s T4E (Training for Engagement) range is built around robust, simple markers that fire round projectiles rather than 6mm BBs. Using the matching T4E ammunition gives you the best chance of consistent feeding and consistent shot-to-shot behaviour from your marker.
Why rubber balls
Unlike paintballs, rubber balls do not break on impact and do not leave paint behind, so there is nothing to clean off targets, walls or clothing. That makes them ideal for practice in a garden range or indoor training area where mess is a problem.
Umarex describe their T4E rubber rounds as reusable: after a session, collect them up, inspect each one, and reuse any that are undamaged. Discard any that are chipped, split or misshapen. Over a few sessions this makes rubber balls a much more economical choice than paint.
Using them well
Keep your ammunition clean. Grit and dirt picked up from the ground can be carried into the magazine and barrel, so wipe or rinse recovered rounds and let them dry before refilling. Having the supply split between two bottles lets you keep one in your range bag and one at home.
Key features
- Two bottles of 250 (500 in total)
- .50 calibre
- For Umarex T4E .50 calibre markers
- Rubber construction does not break on impact
- No paint to clean up
- Reusable after inspection
- Suited to training and target practice
- Bottled for clean storage
What’s in the box
- 2 x bottles of 250 rubber balls (500 in total)
Compatibility
For .50 calibre markers, including the Umarex T4E HDP and other T4E .50 calibre models. They are not suitable for .68 calibre markers or for 6mm airsoft replicas. If in doubt, check the calibre marked on your marker before ordering.
Care and maintenance
Store the bottles sealed, out of direct sunlight and away from heat, so the rubber does not harden or deform. Do not reuse rounds that are damaged or dirty, as they can affect accuracy and may cause feed problems. Keep the marker’s barrel and magazine clean for the most consistent results.
Who is it for?
These balls are for owners of T4E .50 calibre markers who want a clean, economical round for regular practice, training drills and plinking.
Please note: Always wear suitable eye and face protection when shooting, and make sure your backstop and surroundings are safe.









