Guys, guys, guys. I have had an Leupold VX3 6.5 x 20 x 40 EFR an a Weihrauch HW 97k, about 8 to 9 years (goes by other names here and there, but is a powerfull springer, approx, claimed, 960 fps in .177) for getting towards 60,000 rounds and no hint of a single problem. Had an Air King (nikko)...