NO6 FITS - HW77, HW97, Feinwerkbau Sport, also larger original models if ultimate power required
NO7 FITS - ASI Sniper, Magnum (and all other ASI models)
Size Chart: (sizes in mm)
PLEASE CHECK POWER IS LEGAL ON WEAPON AFTER FITTING.
Please note that due to the nature of this product we can only accept a return or replacement request if the spring is unused, unopened and in all original packaging.
Please note that if the spring has been opened, used or attempted to be installed into a gun and has been greased for use, then we are unable to accept any return for safety reasons as malfunctions could cause serious harm or death if the spring were to be damaged and then resold.
The specification and sizes of the springs are on all the listings to aid with purchasing the correct spring.