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Umarex UX BlaMer Co2 1911 Air Pistol- (WSL 5.8439-UXBLM)
The Umarex UX BlaMer is a tactical co2-powered air pistol. Styled after the modern 2011 Hi-Capa platform, it features a blowback action system, a lightweight polymer frame, and a high-capacity 16-round drop-out steel BB magazine. Powered by a single 12g $CO_2$ capsule, this single-action air pistol delivers muzzle velocities up to 344 FPS (105 m/s) alongside integrated fiber-optic sights and a lower Picatinny rail for high-speed target plinking.
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Description
Technical Specifications
- Brand / Manufacturer: Umarex (UX)
- Model / Part Code: 5.8439 / UXBLM
- Calibre: .177 (4.5mm) Steel BBs (also compatible with 4.46mm)
- Power Source: 1x 12g CO2 Capsule
- Magazine Capacity: 16 Rounds
- Velocity: Up to 105 m/s (344 FPS)
- Energy / Power: Less than 3.0 Joules
- Trigger Mechanism: Single Action (SA)
- Overall Length: 205mm
- Weight: 635g
- Package Includes: 1x Umarex UX BlaMer CO2 Pistol, 1x 16-Rd Drop-Out Magazine, 1x User Manual
Tactical modern design meets classic 1911 ergonomics.
The Umarex UX BlaMer is a crisp, blowback-operated CO2 air pistol modeled after the iconic 1911 military platform. Engineered for highly realistic recreational shooting, it features a lightweight, high-strength polymer frame paired with a satisfying gas-operated blowback system that kicks the slide back with every trigger pull. Upgraded with a high-visibility fiber-optic front sight and a skeletal commander-style hammer and trigger, it delivers rapid target acquisition and a clean single-action pull.
- 1911 Tactical Framing: Built with classic 1911 ergonomics, including an extended beavertail frame, a functioning slide lock, a skeletonized trigger, and a tactile thumb safety.
- Realistic Blowback Action: The CO2-driven slide cycles realistically with every shot, giving you a tactile, authentic training and plinking experience.
- Fiber-Optic Sights & Hop-Up: Outfitted with a bright fiber-optic front sight for fast aiming in all lighting conditions, backed by an adjustable hop-up system to maximize BB flight stability.
- Accessory-Ready Chassis: Features a built-in lower Picatinny rail for easy mounting of tactical lights, lasers, or training accessories.
- Efficient Gas System: Powered by a standard 12g CO2 capsule housed cleanly under the grip panel, averaging 32 uniform-velocity shots per capsule.
Modern Tactical Styling: The Umarex UX BlaMer Air Pistol
Combining iconic 1911 heritage with modern 2011 Hi-Capa styling, the Umarex UX BlaMer Air Pistol is built for high-tempo recreational shooting and backyard plinking. Engineered around a lightweight polymer frame and slide housing, the UX BlaMer drastically reduces shooter fatigue during extended range sessions while offering realistic blowback action. A
t Huntsman Sports, we recommend the BlaMer as an accessible, cost-effective sidearm for new marksmen and $CO_2$ airgun collectors alike.
Blowback Action & Single-Action Trigger Mechanics
The internal framework of the UX BlaMer offers authentic handling characteristics:
- Reciprocating Blowback Action: Each pull of the trigger cycles the top slide rearward, delivering physical recoil impulse and automatically recocking the internal hammer for fast follow-up shots.
- Single-Action (SA) Trigger: Features a crisp skeletonized trigger blade requiring a manual slide rack or hammer cock prior to firing the first shot.
- 12g Co2: Driven by a standard 12g capsule housed inside the metal magazine, delivering an average of 32–40 consistent shots per capsule at speeds up to 344 FPS.
Enhanced Control, Sights & Tactical Rail
- Fiber-Optic Sight Alignment: Equipped with a high-visibility green fiber-optic front sight coupled with a white-dot rear U-notch sight, making target acquisition instantaneous across varying light conditions.
- Dual Safety Architecture: Incorporates both an ambidextrous thumb slide-lock safety and a functional beavertail grip safety to prevent accidental discharges unless properly gripped.
- Integrated Picatinny Rail: Features a molded 22mm lower accessory rail under the dust cover for attaching tactical flashlights or red-laser target designators.
Why Choose the UX BlaMer for Range Practice?
Weighing in at 635 grams (with the heavy drop-out metal magazine inserted), the Umarex UX BlaMer balances light handling in hand with realistic overall weight distribution. Firing .177 / 4.5mm steel BBs, it offers low operating costs alongside tactile blowback operation.
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