Huben K1

Name: Huben K1
Brand: Huben

Short body, titanium tube, rotary magazine.

A hammerless, semi-automatic bullpup. The magazine indexes by itself every time you pull the trigger. It has an adjustable regulator and a power wheel you turn under the stock.

Spare parts catalogue (143 parts)

Huben K1 with black synthetic stock, side view

Barrel: 560 mm
Magazine: 19 / 17 shots
Tube: 292 ml · 350 bar
Weight: 3.4 kg

Close up

Huben K1 with wooden stock, side view — with wooden stock, side view

Huben K1 rotary magazine and pressure gauge — rotary magazine and pressure gauge

Huben K1 wooden stock and pressure gauge — wooden stock and pressure gauge

Huben K1 tube and barrel shroud, close up — tube and barrel shroud, close up

Huben K1 barrel shroud and tube end — barrel shroud and tube end

Huben K1 trigger and trigger guard — trigger and trigger guard

Huben K1 power wheel under the stock — power wheel under the stock

Huben K1 with wooden stock and carry case — with wooden stock and carry case

Specifications

Calibre	.22 (5.5 mm) or .25 (6.35 mm)
Barrel	560 mm
Action	Semi-automatic, hammerless
Safety	Manual safety
Tube pressure	350 bar (35 MPa) maximum
Air capacity	292 ml, titanium alloy
Regulator	Adjustable, constant pressure
Magazine	Self-indexing; 19 shots in .22, 17 in .25
Moderator	Integrated baffles inside the shroud
Power adjustment	Wheel under the stock
Rail	Picatinny
Stock	Synthetic or wood
Dimensions (L×H×W)	810 × 190 × 50 mm
Weight	3.4 kg

Factory figures

In Türkiye, 7.5 J maximum. The figures below are the ones published by the manufacturer. Because airguns sold in Türkiye are set to 7.5 joules at the factory, velocity is lower and you get more shots per fill.

Velocity	Up to 300 m/s (1000 fps)
Power range	8 J to 100 J

User manual

Huben K1 user manual (PDF, Turkish)

Other models

Semi-automatic PCP pistolHuben GK1The K1's mechanism, in a pistol.Semi-automatic PCP pistolHuben GK1 MiniA shorter, lighter GK1.