The Umarex UX Zelos is a compact, high-performance PCP (Pre-Charged Pneumatic) air rifle designed as a lightweight bullpup.
Key Specifications
Calibres: Available in .177, .22, and .25.
Muzzle Energy:
UK/Standard: Under 16.0 J (approx. 11.8 ft-lbs)
Tank Capacity: 250cc air cylinder with a maximum fill pressure of 250 bar (3,625 PSI).
Dimensions: Overall length of approx. 36 inches (926 mm) with a 26-inch (680 mm) rifled barrel.
Weight: Roughly 3.3 kg (6.6 lbs), making it highly manoeuvrable for hunting or target shooting.
Notable Features
High-Capacity Magazine: Includes an auto-indexing rotary magazine holding 20 rounds in .22 or 24 rounds in .177.
Fully Adjustable System: Features an externally adjustable regulator (accessible via the left side), adjustable hammer spring tension, and a two-stage adjustable trigger.
Mounting Options: Equipped with a 21-slot Picatinny top rail for optics and an adjustable bottom rail for bipods or accessories.
Threaded Muzzle: The barrel shroud features a 1/2"-20 UNF thread for adding an external silencer, though it is already relatively quiet due to internal baffles.
Performance Highlights
Accuracy: Reviewers have noted exceptional accuracy, with some reports of half-inch groups at 100 yards using specific slugs.
Shot Count: Expect around 160 to 180 shots per fill on standard power models, though high-power configurations significantly reduce this to roughly 25–60