Umarex T4E TR50

The Umarex T4E TR50 is a .50 caliber CO2-powered revolver-style launcher that has become one of the most widely deployed less-lethal training and crowd-control platforms. Available in both 7.5 joule and higher-power variants, it fires rubber balls, pepper-powder balls, and paintballs from a 6-shot revolving cylinder.

Umarex T4E TR50 | Quick Reference

.50calCaliber

~330fpsMuzzle Vel.

6shotCapacity

~15mEff. Range

CO2Power

~$99Street Price

Manufacturer	Umarex
Type	Revolver Launcher
Caliber	.50 cal
Power Source	2× 12g CO2 cartridges
Barrel Diameter	Unknown
Muzzle Velocity	~330 fps (rubber ball)
Effective Range	~15 m
Projectiles	Rubber balls, pepper balls, paintballs, chalk balls
Price Range	$85–$130

Design & Build Quality

The TR50 uses a die-cast zinc alloy frame with polymer grip panels. The revolving cylinder feeds from moon clips, allowing reasonably fast reloads by revolver standards. Dual 12g CO2 cartridges seat in the grip — each pair provides approximately 6–10 full-power shots depending on temperature. A Picatinny rail under the barrel accepts lights or lasers, and the top strap accepts optic mounts. The platform ships with both smooth-bore and rifled barrel options depending on region and configuration.

Performance & Ballistics

At ~330 fps with .50 cal rubber balls, the TR50 delivers meaningful impact energy at typical engagement distances. The rifled barrel version provides better accuracy out to 15 m; the smooth-bore version trades accuracy for projectile compatibility. CO2 performance degrades noticeably below 10°C, which affects muzzle velocity and consistency. The 7.5 J export variant is significantly neutered; the full-power version operates closer to 17–20 J depending on projectile weight.

Known Issues & Limitations

CO2 performance drops sharply in cold weather — carry extra cartridges
Moon clip reloads are faster than individual rounds but still slower than magazine-fed platforms
Dual CO2 setup means cartridge changes interrupt use more frequently than 88g tank setups
Zinc alloy frame is durable but heavier than polymer alternatives
Export 7.5 J version is significantly underpowered for serious use

Accessories & Upgrade Ecosystem

Rifled barrel upgrade for improved accuracy
Extended moon clips for faster reload prep
CO2 powerlet adapters for bulk tank use (third-party)
Picatinny-mounted light/laser combos
Holster systems (Safariland and others)
Pepper-powder ball and rubber ball ammunition (Umarex T4E branded)

Platform Summary

The TR50 punches above its price point as a capable, widely-supported less-lethal platform. Its revolver format limits sustained-fire capacity compared to magazine-fed carbines, but the simplicity, reliability, and broad ammunition compatibility make it a strong choice for personal protection and law enforcement training applications. The massive accessory ecosystem and ammunition availability cement its position as a benchmark .50 cal launcher.