They recently gave me a scubapro magnum 96 phenmo spear gun. it came with a shaft and the pump. The pump is rusted inside. I called diversdirect and they said they will overhual the speargun for $55 dollars. I was thinking of buying a pump, but i cant find one anywhere. :rcard. what should i do?? do you guys think its worth it? or should i just forget this gun and maybe try to sell it?