K1 Synthetic Stock | Huben

Huben K1 Synthetic Stock – Semi-automatic PCP air rifle

The Huben K1 is a semi-automatic PCP air rifle delivering up to 100 joule power in a compact bullpup design. This 5.5mm/.22 calibre rifle features a 560mm barrel and weighs 3.5kg, optimised for precision shooting with both pellets and slugs.

Construction and materials

Built with a synthetic stock in black finish, the K1 measures 83cm in total length. The bullpup configuration ensures balanced weight distribution, whilst the polymer construction provides durability without excessive weight. Internal dampening reduces operational noise compared to similar high-power air rifles.

Application and use

Designed for experienced shooters requiring semi-automatic operation and high power output. The integrated 19-shot magazine enables rapid target engagement, whilst the adjustable mechanical trigger allows precise shot control. Suitable for precision target shooting and rapid-fire scenarios where 100 joule performance is required.

Integration and compatibility

Features a 22mm Picatinny top rail for optics mounting. The ambidextrous design accommodates both left and right-handed shooters with accessible safety controls. Operating on PCP (pre-charged pneumatic) system, requiring appropriate filling equipment and pressure regulation.

Maintenance and lifecycle

Regular maintenance includes O-ring inspection and lubrication of the PCP system. The synthetic stock requires minimal upkeep beyond standard cleaning. Pressure vessel requires periodic testing according to local regulations.