WE Tech EU34 Gen4 Gas Blowback Airsoft Pistol in Black

The WE Tech EU34 Gen4 is a long-slide airsoft pistol designed for players who value accuracy, smooth handling and the familiar reliability of the G-Series platform. Its extended competition-style slide and barrel give the pistol a purposeful appearance while also providing practical benefits on the range and during skirmishes. With a full metal slide, reinforced Gen4 polymer frame and crisp Green Gas blowback action, the EU34 feels substantial in the hand without becoming awkward to carry.

At approximately 220 to 225mm in overall length, the EU34 is noticeably longer than a standard service-style G-Series airsoft gun. That extra length creates a longer sight radius, making it easier to align the front and rear sights accurately when taking measured shots. The approximately 110mm inner barrel also gives the BB more time to stabilise before leaving the muzzle, helping the pistol produce consistent groupings when paired with good-quality ammunition and a properly adjusted hop-up.

The slide is manufactured from metal and cycles fully with every pull of the trigger. This gives the pistol a satisfying recoil impulse and a realistic mechanical feel as the action moves rearwards, loads the next BB and returns into battery. Because the slide is longer than that of a compact model, the recoil feels smooth and controlled rather than overly sharp. The pistol settles back onto target naturally, which helps when firing quick follow-up shots during practical target drills or fast-moving skirmish engagements.

WE has paired the metal upper assembly with a durable Gen4-style reinforced polymer frame. This keeps the weight between approximately 788g and 810g with the magazine fitted, giving the pistol enough heft to feel convincing while remaining comfortable on a belt throughout a full game day. The frame features an aggressive textured surface that provides secure contact in bare hands, gloves or wet weather. It is grippy without feeling like you are holding a cheese grater, which is always a welcome balance.

One of the most useful Gen4 features is the interchangeable backstrap system. Medium and large backstraps are included, allowing the distance between the grip and trigger to be adjusted to suit different hand sizes. Players with smaller hands may prefer the standard grip profile, while those with larger hands can fit one of the supplied inserts for a fuller, more comfortable hold. This small adjustment can make a noticeable difference to trigger reach, recoil control and overall confidence when presenting the pistol.

The familiar G-Series control layout keeps operation simple and intuitive. The trigger incorporates an integrated safety blade, while the magazine release and slide stop are positioned where experienced users expect them to be. The EU34 fires in semi-automatic mode only, making it easier to control than its select-fire relatives and particularly well suited to accurate skirmish use. Each trigger pull produces one BB, one full blowback cycle and a clean reset ready for the next shot.

Powered by Green Gas, the WE Tech EU34 Gen4 typically produces between 320 and 350 FPS, although temperature, gas pressure, BB weight and hop adjustment will affect the final result. It can also accept compatible optional CO2 magazines, which may offer improved consistency in colder conditions. CO2 can increase operating pressure and muzzle velocity, so the pistol should always be chronographed with the exact magazine, gas and BB weight you intend to use before taking it onto an airsoft site.

An adjustable hop-up unit allows the flight path to be tuned for different ammunition weights. Quality 0.20g BBs are suitable for initial setup and chronograph testing, while 0.25g BBs will often provide better stability and consistency during outdoor play. Once dialled in, the longer barrel and hop-up work together to deliver reliable performance at normal sidearm ranges. The EU34 is not simply a stretched pistol for appearance's sake; it offers genuine benefits for players who enjoy making deliberate, accurate shots.

The supplied Green Gas magazine holds approximately 24 to 26 rounds depending on the exact version included. It locks securely into the frame and feeds through WE's established gas blowback system. The EU34 also shares compatibility with WE G17-pattern magazines, making spare magazines easy to find and allowing existing WE users to make use of equipment they may already own. Replacement valves, seals, hop components and internal upgrade parts are widely available, helping make long-term maintenance straightforward.

Whether used as a dependable woodland sidearm, a precise CQB backup or a platform for practical target shooting, the WE Tech EU34 Gen4 offers an excellent balance of realism and usability. Its extended barrel improves consistency, the Gen4 frame provides adaptable ergonomics, and the blowback action gives each shot the mechanical feedback players expect from a quality GBB pistol. For anyone after a long-slide airsoft handgun with proven internals and understated competition styling, the EU34 is a very capable choice.

Features

• Extended competition-style slide and barrel
• Full metal slide construction
• Reinforced Gen4 polymer frame
• Realistic Green Gas blowback action
• Adjustable hop-up system
• Interchangeable medium and large backstraps
• Integrated trigger safety
• Semi-automatic firing action
• Compatible with optional CO2 magazines
• Compatible with WE G17-pattern magazines
• Longer sight radius for improved alignment
• Widely supported G-Series internal platform

What you get

• WE Tech EU34 Gen4 Gas Blowback Airsoft Pistol
• 24-26 round Green Gas magazine
• Medium grip backstrap
• Large grip backstrap
• Backstrap retaining pins
• G-Series user manual
• Original WE presentation box

Details

• Manufacturer: WE Tech
• Model: EU34 Gen4
• Platform: Long-Slide Gas Blowback Airsoft Pistol
• Overall Length: Approximately 220-225mm
• Inner Barrel Length: Approximately 110mm
• Weight: Approximately 788-810g with Magazine
• Magazine Capacity: Approximately 24-26 Rounds
• Power Source: Green Gas
• Optional Power Source: Compatible CO2 Magazine
• Action: Gas Blowback
• Fire Modes: Safe / Semi-Automatic
• Hop-Up: Adjustable
• Velocity: Approximately 320-350 FPS, Conditions Dependent
• Construction: Metal Slide with Reinforced Polymer Frame
• Recommended Ammunition: 0.20g-0.25g 6mm BBs
• Magazine Compatibility: WE G17-Pattern Magazines
• Colour: Black