Originally Posted by
Der Gebirgsjager
It's the strength of an internal flat spring. Not hard to fix, depending on your level of gunsmithing experience and ability, and should not be an expensive part to purchase. Not enough of a problem to not buy the gun if the price is right. However, I wonder why you are looking rifles that are probably older than you are? The only ones to avoid were the '94s made in the 1964-1974 time period. Rifles made thereafter are good rifles and unless there's a historical attachment to the older guns I wouldn't discount the newer specimens at probably better prices.
DG