So, I just got an FR8, specifically for shooting my cast 308 rounds, and it is definitely my favorite bolt-action rifle, so far. But, I suspect that I need a new magazine spring. The reason being, that the first round or two, tends to have a feeding problem; the cartridge will move forward a bit, with the forward half or so starting its' journey up-and-out of the magazine, into the chamber. However, the case head will slip below my bolt, allowing same to slide over the cartridge, until the case is wedged between the bolt, and the chamber mouth. Numrich lists a magazine spring for seven bucks, but it is sold out. Might any other Mauser magazine springs be made to work?