License required spring that fits Hatsan models 125,135,150 and 155.
Springs and internal alterations to weapons shall only be performed by a qualified person.
Output speeds according to the manufacturer:
Caliber: Output speed: *
4.5mm / .177 cal 380m / s (1250fps)
5.5mm / .22 cal 305m / s (1000fps)
6.35mm / .25 cal 230m / s (750fps)
* The initial speed may vary depending on the weight and shape of the ball.
Specifications:
Length: 440mm
Outer diameter: 21.6 mm
Inner diameter: 14.6mm
Number of turns: 46 turns
Wire diameter: 3.5mm
Weight 195g
Member of EU
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