Hatsan extra strength feather

Hatsan originals Tension spring suitable for Hatsans air rifle models: 125, 135, 150 and 155. Both the 4.5, 5.5 and 6.3 mm versions from Hatsan.

Spring exit velocity for different calibers:
4.5 mm / .177 cal 380m / s (1250fps)
5.5 mm / .22 cal 305m / s (1000FPS)
6.35 mm / .25 cal 230m / s (750fps)


* Output speed may vary depending on the weight and design of the ball.

Spring length 407mm
Outer diameter 21.6 mm
Inside diameter 14.6 mm
Number of laps 44 laps
Wire diameter 3.5 mm
Weight 195g

Air rifles and tension spring can be purchased separately, no license required. We strongly recommend that you ask for professional help when replacing the spring (as a hunting or gun shop). Air rifle can be licenspliktigt when the spring is well versed. More information about the rules for gun license, you get the police.

We assemble no springs in rifles. But we have contact with skilled gunsmiths in Malmö and Gothenburg that can help with spring replacement. We provide contact information in connection with the purchase from us.