WE Hi-Capa 5.1 R GBB Pistol – Gas Blowback Black

The WE Hi-Capa 5.1 R is a compact gas blowback pistol engineered for skirmishers who demand reliable secondary firepower with genuine mechanical feedback. Its proven platform delivers consistent performance across UK sites and outdoor events.

Key Features

• Gas blowback action – full slide cycle for realistic operation and training
• Alloy slide and outer barrel – durable construction with satisfying recoil impulse
• 20mm Picatinny rail – compatibility with lights, lasers, and tactical accessories
• Adjustable hop-up – accessible from the slide, allowing fine-tuning without field stripping
• Compact 20.5cm length – optimal balance of handling and power for close-quarters work
• Low-capacity gas magazine – realistic 22-round feed with green gas efficiency
• Available finishes – black, grey, and dual-tone to suit your loadout aesthetic

Real-World Use Cases

This pistol excels as a secondary weapon for CQB specialists, support gunners, and players running lightweight primary loadouts. The gas blowback design provides genuine recoil feedback, making it excellent for training muscle memory and tactical transitions. Its compact size and manageable power output (300fps) make it suitable for indoor sites and outdoor skirmish fields alike. Grey and dual-tone variants are increasingly popular for MilSim UK events where authenticity matters.

Technical Specifications

• Power Output: Approximately 300fps (±10%) with 0.20g BBs
• Firing Mode: Semi-automatic only
• Power Source: Green gas (rechargeable magazine)
• Magazine Capacity: Approximately 22 rounds per magazine
• Inner Barrel: 4.5 inches
• Overall Length: 205mm
• Weight: Approximately 0.55kg (unloaded)
• Construction: Alloy outer barrel, slide, and controls; steel pins and screws; aluminium magazine well extension; polymer frame and backstrap
• Hop-Up: Adjustable, accessible when slide is removed
• Rail System: 20mm Picatinny rail (single rail configuration)
• Colours: Black, grey, dual-tone

Compatibility & Upgrades

The Hi-Capa platform is renowned in the airsoft community for aftermarket support. Most WE Hi-Capa internals are cross-compatible with Tokyo Marui variants, opening access to enhanced springs, barrels, and hop-up buckets. The 20mm rail accepts standard tactical accessories—WeaponLight compatible lights, laser modules, and red-dot sight risers are widely available. As a green gas pistol, performance can be seasonally adjusted by switching to propane (via a propane adapter) during colder months.

UK Legal & Site Notes

This airsoft pistol complies with UK Airsoft Sport regulations (two-tone finish available if required by your local site). Power output sits comfortably within most indoor and outdoor site limits. Always confirm with your chosen venue before attending. Green gas canisters are legal for purchase and storage in the UK under standard airsoft guidelines.

Order the WE Hi-Capa 5.1 R GBB pistol today and elevate your secondary game. Available in-stock with next-working-day delivery across the UK.