Where the hell could i but this in the uk

ok , ive been searching google for about 30 - 40 mins now and i cant find absolutely nothing that sells even a spare screw for a dannen mag3 pump , i heard there sweet and i really want to order one before i change my mind and spend my money on weed/cigs/beer/chocolate (you get the point) so someone pls help my out on finding somewhere that sells them , ( oh and anyone have any idea on what price they are , i got £50 here) ThankYou , ~Pez