WE-Tech 5.1 T-Rex Hi-Capa Gas Blowback Airsoft Pistol – Black

The WE-Tech 5.1 T-Rex is a competition-inspired gas blowback airsoft pistol designed for players who want fast target acquisition, distinctive race-gun styling, and the familiar handling of a Hi-Capa platform. Its ported slide, fiber-optic sights, integrated accessory rail, and black tactical finish create a performance-focused sidearm for airsoft skirmishes, CQB, competition-style setups, and collection display.

Built with a metal-alloy slide and reinforced polymer grip frame, the WE-H001WET-BK provides a substantial feel while maintaining the practical ergonomics of a 5.1-style Hi-Capa. The gas blowback system delivers slide movement and mechanical feedback, while the adjustable hop-up allows users to tune BB trajectory for their selected ammunition and conditions.

Key Features

• Competition-inspired ported slide: Aggressive slide cuts create a race-gun appearance and may help reduce moving slide mass.
• T-Rex markings: Custom-style markings add a distinctive visual finish to the platform.
• Gas blowback operation: Provides realistic slide movement and recoil feedback during operation.
• Metal-alloy slide: Delivers a substantial feel and durable external construction.
• Reinforced polymer grip frame: Supports a comfortable, practical grip for regular airsoft use.
• Fiber-optic sights: High-visibility front and rear sights support quick sight alignment in suitable lighting conditions.
• Integrated Picatinny rail: Allows compatible airsoft lights, lasers, and other accessories to be mounted.
• Hi-Capa architecture: May support selected aftermarket Hi-Capa components, subject to exact fitment and manufacturer specifications.
• 30-round double-stack magazine: Provides a practical capacity for skirmish and competition-style loadouts.

Designed for Fast, Controlled Handling

The ported slide and high-visibility sights give the T-Rex a competition-inspired profile focused on quick sight alignment and controlled follow-up shots. Actual cycling speed, recoil feel, accuracy, and gas efficiency vary with temperature, gas type, BB weight, hop-up adjustment, magazine condition, and maintenance.

The fiber-optic sights are designed to improve visibility in suitable lighting conditions. They do not provide illumination in darkness and should not be considered a substitute for a mounted light or appropriate field lighting.

Platform and Accessory Compatibility

The pistol uses a Hi-Capa-style gas blowback architecture and may accept selected Tokyo Marui-pattern Hi-Capa upgrade parts, replacement nozzles, hop-up components, and extended magazines. Compatibility is not universal. Some parts may require fitting or may not be suitable for this exact WE-Tech configuration.

The lower Picatinny rail is designed for compatible airsoft accessories. Confirm the accessory’s dimensions, mounting interface, weight, and clearance before installation. Added accessories may affect balance, holster fitment, slide cycling, and overall reliability.

Gas and Magazine Compatibility

The pistol is designed for compatible green gas or propane systems. An aftermarket CO2 magazine should only be used if it is specifically approved for this exact platform and configuration. Higher-pressure power sources may damage internal components or create an unsafe operating condition.

The included magazine is a 30-round-class double-stack Hi-Capa gas magazine, listed as model MG-5.1G-BK. Confirm magazine dimensions, gas route, catch position, and generation before purchasing additional or replacement magazines.

Product Specifications

Brand	WE-Tech
Model Name	Hi-Capa 5.1 T-Rex / TREX
Model / SKU	WE-H001WET-BK
Product Type	Gas blowback airsoft pistol
Color	Black with tactical accents
Platform	Hi-Capa 5.1-style GBB
Power Source	Green gas / compatible propane
Approx. Muzzle Velocity	300–330 FPS with 0.20g BBs; actual results vary
Magazine Capacity	Approx. 30 rounds
Included Magazine	MG-5.1G-BK double-stack Hi-Capa gas magazine
Fire Modes	Safe / semi-automatic
Hop-Up	Adjustable internal rotary wheel
Slide Material	Metal alloy
Grip Frame Material	Reinforced polymer
Overall Length	Approx. 227mm / 22.7cm
Weight	Approx. 1,042g with magazine

How to Use

1. Confirm that the pistol, magazine, gas, BBs, accessories, and holster are compatible.
2. Load clean, high-quality 6mm airsoft BBs into the magazine.
3. Fill the magazine with compatible green gas according to the gas manufacturer’s instructions.
4. Insert the magazine into the pistol and verify that it locks securely.
5. Adjust the hop-up and test the pistol in a safe, controlled environment.
6. Chronograph the pistol according to the local field’s procedure before gameplay.

Maintenance Tips

• Clean the inner barrel regularly with an appropriate airsoft cleaning tool.
• Lubricate the slide rails, seals, and moving contact points with airsoft-safe lubricant.
• Keep lubricant away from the hop-up bucking and BB contact surfaces.
• Inspect the magazine valves, seals, feed lips, and baseplate for damage or leaks.
• Check the ported slide, sights, rail, and mounting screws after accessory installation.
• Store the pistol unloaded in a dry place away from extreme heat and moisture.

Package Includes

• 1 × WE-Tech 5.1 T-Rex GBB Airsoft Pistol – Black
• 1 × 30-round-class gas magazine, model MG-5.1G-BK
• 1 × Instruction manual

BBs and gas are not included.

Frequently Asked Questions

What type of airsoft pistol is the WE-Tech T-Rex?

It is a 5.1-style Hi-Capa gas blowback airsoft pistol with a ported slide, fiber-optic sights, adjustable hop-up, semi-automatic operation, and an integrated lower accessory rail.

What gas should I use?

Use compatible green gas or propane according to the manufacturer’s instructions and local field conditions. Use a CO2 magazine only when it is specifically approved for this exact platform.

What is the magazine capacity?

The included double-stack Hi-Capa gas magazine is listed at approximately 30 rounds. Actual loading capacity may vary with BB size, magazine condition, and loading technique.

Is it compatible with Tokyo Marui Hi-Capa parts?

The pistol uses a Hi-Capa-style architecture and may accept selected Tokyo Marui-pattern components. Compatibility depends on the individual part and may require fitting. Confirm the part specification before ordering.

Can I mount accessories?

Yes. The pistol includes a lower Picatinny rail for compatible airsoft accessories. Check clearance and weight before installation because accessories may affect balance, cycling, and holster fitment.

Are the fiber-optic sights suitable for darkness?

Fiber-optic sights improve visibility in suitable ambient light. They do not illuminate in complete darkness and should not replace a suitable light or safe field lighting.

Is the 300–330 FPS range guaranteed?

No. The stated range is approximate and measured with 0.20g BBs under specific conditions. Actual velocity may vary with gas, temperature, BB weight, hop-up setting, magazine condition, and chronograph method. Always check the pistol against local field limits.

Does the package include BBs and gas?

No. BBs and gas are sold separately.

Important Safety and Legal Information

This product is intended for lawful airsoft use only. Always wear properly rated eye protection and follow all local laws, field rules, and safety requirements. Treat the replica as loaded, keep it pointed in a permitted direction, and use it only in an appropriate controlled environment.

Do not exceed local field power limits or use damaged magazines, leaking gas components, or incompatible high-pressure parts. Stop using the pistol if it cycles abnormally, leaks gas, or shows signs of structural damage. Transport and store the replica responsibly according to applicable regulations.