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This is the spec of the spring in my new .22 cal HW50s from DB Shietsport Holland.
wire diameter 3,15
active coils, 28
inside diameter 14,25mm
free length 248mm
gap between coils, 6mm.
Both ends are finished rather than cropped and it pushed hobbies out at 695 fps from the box. Now it bits for a spring crop and the fitting
of a guide and top hat!
Last edited by maximus; 12-04-2015 at 03:18 PM.
Reason: forgot i.d.
Plinkerer and Tinkerer
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