No6 NMP AIR RIFLE MAINSPRINGS

These springs are made by the same company who make the well known Ox spring & there is no difference except packaging

High Tensile Spring Steel; all springs prestressed solid to remove set

The world's number 1 square spring

Will fit most Guns

Warning: Fitting a new MAINSPRING can take your rifle over 12 ft/lbs

You must check your guns power

It is illegal to have a gun over 12 ft/lbs with out a firearms certificate

No.6 NMP MAINSPRING FITS:

H.W.77, H.W.97, Feinwerkbau Sport, also larger original models if (PK1) POWER KIT IS FITTED.

WARNING: Replacing a main spring, piston seal and other parts of a spring piston air rifle requires the use of a spring compressor, other tools and considerable caution.

You could seriously injure - or even kill yourself, or others - if you do not have the correct equipment and know how to use it properly.
PLEASE DO NOT ORDER IF YOU DO NOT KNOW WHAT YOU ARE GETTING IN TO!