Umarex UX SPA 100 Grey .177 (4.5mm) Spring Air Pistol – Break Barrel <3 Joule (2.4391)

The Umarex UX SPA 100 (Model 2.4391) is a spring-powered break-barrel air pistol built for shooters who want improved accuracy and power while staying within safe recreational limits. Chambered in 4.5mm (.177) pellets, this air pistol uses a rifled barrel to stabilise shots and deliver consistent accuracy. The classic break-barrel cocking system ensures simple operation without the need for CO₂ or compressed air—making it reliable and cost-effective. With a velocity of up to 100 m/s (328 fps) and energy below 3 joules, the SPA 100 offers noticeably stronger performance than basic models, while remaining ideal for target shooting and skill development. Safety is a major focus, featuring a dual safety system with both a beavertail grip safety and sliding manual safety, helping prevent accidental discharge. The lightweight polymer frame with metal internals, combined with a long sight radius, provides durability and improved aiming control—making this an excellent choice for beginners progressing into more serious shooting. KEY FEATURES Spring-powered break-barrel system – no gas or CO₂ required Rifled barrel for improved accuracy and pellet stability Velocity up to 100 m/s (328 fps) Energy < 3 Joules – safe, recreational shooting Dual safety system (grip sliding safety) Single-shot precision loading system Lightweight polymer body with metal internals Long sight radius for better aiming control SPECIFICATIONS Brand: Umarex Model: UX SPA 100 (2.4391) Calibre: 4.5 mm (.177) Pellet Power Source: Spring-operated (break-barrel) Velocity: Up to 100 m/s (328 fps) Energy: < 3.0 Joules Action: Single-shot Trigger: Single-stage Safety: Beavertail grip safety Sliding manual safety Length: 425 mm Weight: 806 g Construction: Polymer body with metal barrel/internal components Barrel Type: Rifled