Standard main spring for Hatsan Arms airguns. It enables energy to be obtained in accordance with Polish law (17 J). Designed for rifles with an extended compression chamber: MOD 70 in calibers: cal. .177 (4.5 mm), in. .22 (5.5 mm) and in. .25 (6.35 mm).
The spring restores the energy of a spring airgun in accordance with the Polish law - 17 J (in each available caliber for a given model). Suitable for Hatsan airguns clones, incl. Ranger carbines.
- SPR-ST MOD 55-45 - air rifle cal. 177 (4.5 mm)
- SPR-ST MOD 55-55 - air rifle cal. 22 (5.5 mm)
- SPR-ST MOD 55-63 - air rifle cal. 25 (6.35 mm)
Created by: Sharg® Company - exclusive importer of Hatsan
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