The Huben GK1 V3 Semi-Automatic High Pressure Air Pistol is the full-size evolution of Gregor Kamenšek’s original pistol concept, refined by Huben into a powerful, precision PCP platform. It builds on the legacy of the K1 rifle, delivering semi-automatic fire, modularity, and serious energy output in a compact pistol form.
Key Highlights
- Semi-automatic action — smooth magazine rotation mechanism positioned behind the mag for reliable feeding and system protection.
- Multi-caliber options — available in .22 (5.5mm), .25 (6.35mm), and .30 (7.62mm).
- Fixed magazine capacity — 19 rounds (.22), 17 rounds (.25).
- 210mm barrel — longer than the GK1 Mini for higher velocity and accuracy.
- 85cc PCP cylinder — larger air volume for extended shot count.
- Integrated pressure gauge — easy monitoring of air supply.
- Optics-ready — 11mm dovetail rail for red dots or compact scopes, plus adjustable iron sights.
- Moderator-ready muzzle — end cap suitable for adaptor (sold separately).
- Ergonomic walnut grip — textured with finger grooves for secure handling.
- Tuning-friendly — adjustable power mechanism via Allen key, regulator with quick fill set available for flat shotstrings
Specifications
| Spec | Value |
|---|---|
| Energy | 55J / 41 ft-lbs, 60J / 44 ft-lbs |
| Velocity | 270 m/s (890 fps, .25) / 310 m/s (1020 fps, .22) |
| Magazine capacity | 19 (.22), 17 (.25) |
| Weight | 1200g |
| Barrel length | 210mm |
| Overall length | 355mm |
| Cylinder capacity | 85cc PCP |
| Mounting base | 11mm dovetail |
| Stock type | Ambidextrous |
| Stock material | Walnut |
| Accessories included | Case, fill probe, spare parts set |
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