Hi, I am trying to find any business that specializes or stocks slightly heavier hammer sprigs for the A.G.T. lineup. I already have heavier springs for my AGT Vulcan 3 700mm .30cal. Thanks to Jeremy King at African Air Ordinance.com. I'm looking for my original AGT Uragan King in .30 and my Vixen long .22cal. If anyone could point me in some direction, I am open and happy to receive any feedback. Thank you very much!!!!