The Huben K1 Semi-Automatic Air Rifle is widely regarded as one of the most powerful semi-auto bullpups available today, built on Huben’s patented hammerless platform. This unique design sets it apart from traditional PCP rifles, delivering high efficiency, zero vibration, and exceptional accuracy across a wide power range.
Key Highlights
- Hammerless semi-auto system — 100% mechanical, enabling high rates of fire with smooth cycling.
- High-capacity magazine — 17 rounds (.25) or 19 rounds (.22).
- Extreme power levels — designed for long-range shooting and hunting, capable of SUB-MOA accuracy at 100m.
- Variable power range — adjustable for precision at any level.
- Durable synthetic stock — ergonomic, ambidextrous, and resistant to extreme conditions.
- Quality control upgrades — since 2020, tighter standards ensure consistent performance.
Specifications
| Spec | Value |
|---|---|
| Caliber options | .22 (5.5mm), .25 (6.35mm), .30 (7.62mm) |
| Energy | 100J / 74 ft-lbs, 120J / 89 ft-lbs |
| Velocity | 290 m/s (950 fps), 330 m/s (1083 fps) |
| Cocking system | Hammerless, Semi-Automatic |
| Magazine capacity | 17 (.25), 19 (.22) |
| Weight | 3500g |
| Barrel length | 560mm |
| Overall length | 830mm |
| Mounting base | Weaver / Picatinny |
| Stock type | Ambidextrous |
| Stock material | Synthetic |
| Accessories included | Case, fill probe, magazine, O-ring kit, tools |
The Huben K1 is essentially the long-range powerhouse of Huben’s lineup — a semi-auto bullpup engineered for extreme accuracy and hunting performance. Compared to the GK1 pistol series, the K1 offers far greater energy output, longer barrel length, and rifle-level ergonomics.
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