The WE Hi-Capa 5.2 GBB Pistol (K) (Black) is a gas-powered blowback (GBB) airsoft pistol based on the popular Hi-Capa platform. It’s designed for realistic handling and performance in airsoft games like CQB (close-quarters battle), IPSC practical pistol shoots, or skirmish fields.
 
Brand: WE (Wei Tech), a well-known airsoft manufacturer.
Type: Gas Blowback (GBB) pistol — uses green gas or similar propellant.
Appearance: Black finish with tactical styling (“K” or “5.2K” variant has a partially cut slide and sometimes a compensator look).
 
Role: Sidearm for airsoft players; usable as primary in some formats and as a secondary in others.
 
Features
Length    ~230–235 mm (about 9″)
Weight    ~1.0–1.1 kg (empty)
Material    Metal slide/frame, polymer grips
Firing Mode    Semi-automatic
Power Source    Gas (green gas or similar)
Blowback    Yes (realistic slide action)
Magazine Capacity    ~31+1 rounds
Hop-Up    Adjustable for improved accuracy
FPS / Joules    300–345 FPS with 0.20 g BBs (about ~1.1 J)
Rail    20 mm Picatinny under-barrel for accessories
 
These specs make it competitive for a pistol platform — with good range, capacity and realism for skirmish use.
 
Performance & Handling
Gas Blowback Action:
The gas blowback system gives a realistic recoil feel with each shot.
Adjustable hop-up lets you tune BB trajectory for accuracy.
Ergonomics:
Metal slide and frame give weight and durability.
Textured grips improve control in dynamic play.
Customization:
Picatinny rail allows lights/lasers to be fitted.
Threaded barrel makes fitting compensators or tracer units possible on some versions.
Many players enjoy the realism and tactical feel, but quality and reliability — especially in older or budget models — can vary. Some airsofters online note that WE pistols aren’t always as consistent or smooth as higher-end brands, and magazines can be a weak point without upgrades.