Umarex Glock G17 GEN5 MOS Gas Blowback Pistol

The Umarex Glock G17 GEN5 MOS gas blowback pistol is a full-scale replica of the latest-generation G17, engineered by VFC to deliver responsive gas blowback action and authentic field performance. Whether you’re running it as a secondary for your main rifle or as your primary in tight CQB environments, this pistol offers the balance of realism and reliability that UK skirmishers expect.

Key Features

• VFC Gas Blowback Action – smooth cycling with realistic slide movement, responsive trigger feedback, and field-proven durability across UK outdoor and indoor sites.
• Modular Optics System (MOS) – secure picatinny mounting directly on the slide for red dots, holographic sights, or magnifiers without additional adapters.
• Gen 5 Frame Design – modern ergonomics, improved grip texture, and the latest Glock profile for authentic handling and consistent control.
• Full Blowback Cycle – realistic bolt action with each shot, enhancing immersion and providing natural recoil impulse for improved target transition.
• Magazine Compatibility – uses standard VFC G17-pattern gas magazines, widely available and easy to source across the UK.
• Black Finish – professional mil-spec appearance, robust powder coat that resists wear through intensive field use.

Real-World Use Cases

• CQB Indoor Sites – ideal for UK indoor arenas where pistol-only rounds or close-quarters engagements dominate; compact size and responsive blowback action excel in tight corridors and building clearance scenarios.
• Rifle Secondary – pair this Glock GEN5 with your main AEG or bolt-action rifle as a reliable backup for close-quarters moments or reload drills, particularly during UK woodland or urban milsim operations.
• Speedsoft & Training – the modular optics platform and consistent trigger response make it suitable for fast-paced competitive play and dedicated pistol training with 0.25 g BBs.

Technical Specifications

• Product Type: Gas Blowback Pistol
• Manufacturer: Umarex (built by VFC)
• Model: Glock G17 GEN5 MOS
• Colour: Black
• Construction: Metal slide & frame components with reinforced polymer internals
• Optics Mount: Picatinny MOS rail (slide-mounted)
• Magazine Type: VFC G17-pattern gas magazine
• Firing Mode: Semi-automatic
• Power Source: Green gas / propane (screw-in valve)

Compatibility & Upgrades

The Umarex Glock G17 GEN5 accepts VFC OEM and aftermarket gas magazines; popular UK retailers stock compatible models readily. The MOS system accommodates any picatinny-mounted red dot or holographic sight – consider compatible RMR-pattern optics or compact reflex sights for rapid target acquisition. Use 0.25 g or 0.28 g BBs for consistent performance and site compliance. Internal upgrades (hop-up bucking, nozzle spring, hammer assembly) are available from specialist airsoft gunsmiths if you wish to fine-tune gas efficiency or trigger response.

UK Legal & Site Notes

This is a RIF (Realistic Imitation Firearm) and requires an UKARA defence or VCRA exemption to purchase and own in the UK. The pistol is black; two-tone versions may be available separately if you prefer additional legal clarity. Always check your local skirmish site’s FPS limit before attending – most UK indoor sites accept pistols up to 100 FPS (0.20 g), whilst outdoor woodland sites may permit higher velocities. Test your airgun chronograph before your first game to ensure compliance.

Order the Umarex Glock G17 GEN5 MOS from Airsoftdirect today and benefit from fast UK dispatch. This model is currently out of stock, but sign up for restock notifications or explore our range of gas blowback pistols and secondary options. All our airsoft pistols are backed by UK customer service and expert advice to help you choose the right sidearm for your loadout.