WE Hi-Capa 5.1 TREX Full-Auto GBB Pistol (Black) (N)

The WE Hi-Capa 5.1 TREX is a full-metal gas blowback pistol built for players who want high output, fast cycling and selectable fire modes. Featuring semi-auto and full-auto capability, a robust metal construction and an adjustable hop-up, the TREX delivers aggressive recoil and rapid follow-up shots in a compact, skirmish-ready package.

Designed to run reliably on NUPROL 2.0, this platform is ideal for players seeking a high-energy secondary with the option to unleash controlled bursts when the situation demands.

Key Features (Quick View)

• Gas blowback pistol

• Semi-auto / Full-auto fire modes

• Adjustable hop-up for tuned range and lift

• Full-metal construction for weight and recoil

• 24-round gas magazine

• Fast-cycling action with strong recoil impulse

• Finished in black

Construction & Reliability

The Hi-Capa 5.1 TREX uses a full-metal slide and frame to deliver realistic weight and authoritative blowback. The added mass contributes to stable cycling and durability under rapid fire, while internal components are engineered for reliable operation in skirmish conditions.

WE’s proven Hi-Capa architecture ensures parts availability and compatibility across common upgrades and accessories.

Performance & Fire Control

With selectable semi-auto and full-auto, the TREX offers flexibility rarely seen in pistol platforms. Semi-auto provides controlled, accurate engagement, while full-auto enables rapid suppression at close range.

The adjustable hop-up allows fine tuning for BB weight and site conditions, helping maintain usable range and consistency despite the platform’s high rate of fire. When powered by NUPROL 2.0, the pistol delivers stable FPS and dependable cycling.

Handling & Ergonomics

At approximately 1000 g, the pistol offers a planted feel in the hand, aiding recoil control during fast strings of fire. The Hi-Capa grip profile supports double-stack magazines and provides a familiar, comfortable hold for extended use.

Compatibility

• Magazine: 5032 – 24R Gas Magazine

• Gas: NUPROL 2.0

• Platform: Hi-Capa 5.1 standard

Ideal For

• Players wanting full-auto pistol capability

• Aggressive CQB and close-range engagements

• Hi-Capa users seeking a high-energy secondary

• Skirmishers prioritising recoil and fast cycling

• Enthusiasts looking for upgrade compatibility

Product Specifications

• Brand: WE

• Model: Hi-Capa 5.1 TREX

• Colour: Black

• Length: 225 mm

• Weight: Approx. 1000 g

• Fire Modes: Semi-Auto / Full-Auto

• Hop-Up: Adjustable

• Magazine Capacity: 24 rounds

• Power Source: Gas (NUPROL 2.0 recommended)

In the Box

• (x1) WE Hi-Capa 5.1 TREX GBB Pistol

• (x1) 24R Gas Magazine

• (x1) Manual

Range Overview – WE Hi-Capa Pistols

WE Hi-Capa pistols are known for strong blowback, upgrade compatibility and aggressive performance. Built around a widely supported Hi-Capa architecture, the range offers solid metal construction, adjustable hop systems and parts interchangeability—making them a popular choice for players who enjoy tuning, modifying and pushing performance.

Manufacturer

WE Airsoft is a globally recognised airsoft brand, best known for robust gas blowback replicas with strong aftermarket support. WE platforms are widely used by skirmishers and technicians alike, valued for performance, realism and upgrade potential.

Safety Information

Airsoft replicas are designed for use in controlled skirmish environments only. Always wear certified eye protection and appropriate safety gear. Full-auto fire increases the risk of accidental discharge—operate responsibly and in accordance with site rules. Comply with all local laws and regulations regarding ownership, transport and storage. Store safely and out of reach of children when not in use.