evo, tri minuta pretrage po netu. Ovo su ti dimenzije, svako ko iole ozbiljnije radi opruge ti moze to napraviti.
Original spring from Diana.
The spring fits the following models:
Diana 22, Diana 23, haenel 300, Webley ranger, Milbro G22, G23, G75, G76
Spring can also fit into other air guns.
Specification
Length: 220 mm
Inner diameter: 16,7 mm
Outer diameter: 11,9 mm
Wire thickness: 2,4 mm
http://www.progunner.eu/f004dianaslagfjader-p-794.html?language=en&cPath=83_95_249