Real Steel Background

The Glock 19 Gen 4 MOS is the optics-ready evolution of Glock's most popular compact service pistol. The Glock 19 itself was introduced in 1988 as a scaled-down alternative to the full-size Glock 17, offering the same 9mm chambering in a more concealable package that quickly became the benchmark for law enforcement and civilian carry worldwide. The Gen 4 generation brought interchangeable backstraps, a revised rough-textured frame grip, and a dual-recoil-spring assembly for reduced felt recoil. The MOS (Modular Optic System) variant adds a milled slide plate that allows direct mounting of popular red-dot sights ? including RMR, Delta Point, and other footprints ? without custom machining, bringing modern optic capability to one of the most widely adopted pistol platforms in history.

Product Details

The Umarex (Wingun) Glock 19 Gen 4 MOS CO2 Airsoft Pistol is a fully licensed product bearing the authentic Glock and Umarex Elite Force markings, built as a 6mm CO2-powered fixed-slide pistol that prioritizes reliability, gas efficiency, and authentic ergonomics over blowback recoil. The metal fixed slide is integrated with the outer barrel as a single unit, engraved with "Glock 19 Gen 4" markings, and features an optic-ready mounting plate that accepts the user's preferred RMR sight. Built-in white dot front sight and U-shaped notch rear iron sights provide a clear sight picture with or without an optic mounted. The polymer frame replicates the Gen 4 grip texture with its distinctive rough-textured surface and includes an integrated lower accessory rail for mounting a tactical flashlight or laser sight.

Unlike traditional CO2 airsoft pistols, the 12g CO2 capsule is not housed in the magazine but is instead installed in the pistol grip's backstrap compartment ? a design choice that keeps the magazine lightweight and reduces mag cost while providing a stable gas source that doesn't need to be refilled with each magazine swap. The pistol feeds from a metal 15-round magazine (6mm BB) with a polymer base plate engraved with "Glock" markings. The polymer magazine release and polymer trigger with integrated trigger safety faithfully reproduce the Glock's control layout. As a non-blowback pistol, the fixed slide eliminates gas expenditure on slide cycling, maximizing shot count per CO2 capsule, while the double-action system provides a consistent trigger pull for each shot without needing to cycle the slide.

Key Features

• Fully licensed by Umarex (Elite Force) and Glock with authentic "Glock 19 Gen 4" engravings on the metal fixed slide, delivering genuine manufacturer markings and trade dress

• Metal fixed slide integrated with the outer barrel as a single unit, providing a rigid, zero-play structure that maintains zero on the sights and optic across thousands of rounds

• Optic-ready slide mounting plate that accepts the user's preferred RMR sight, allowing direct red-dot installation without aftermarket adapters or custom machining

• Built-in white dot front sight and U-shaped notch rear iron sight providing a clear, fast-acquisition sight picture that remains fully usable with or without a mounted optic

• Polymer frame with Gen 4 style rough-textured grip that replicates the authentic Glock surface treatment, delivering a secure, non-slip hold under rapid fire

• Integrated lower accessory rail on the frame offering a rigid mounting point for a tactical flashlight or laser sight, matching the real Glock 19 Gen 4's accessory compatibility

• CO2 capsule (12g) housed in the pistol grip backstrap rather than the magazine, keeping magazines lightweight and affordable while providing a stable gas source independent of mag swaps

• Metal 15-round 6mm BB magazine with polymer base plate engraved with "Glock" markings, offering authentic weight and reliable feeding with a realistic magazine floorplate appearance

• Polymer magazine release and polymer trigger with integrated trigger safety that faithfully reproduce the Glock's control layout and manual of arms

• Non-blowback fixed-slide design that eliminates gas expenditure on slide cycling, maximizing the number of shots per CO2 capsule for extended plinking or training sessions

• Double-action system providing a consistent trigger pull for each shot without requiring slide cycling, ensuring reliable ignition on every trigger press