A Big FAT Oooooops!!!!!, I Moved the jam nuts, But Only because my friend I got the scale from said that was how you zero the scale. So am I SOL ??? What do I do now??? I did try using a sierra 165 BTHP game king as a check weight it weighed in at 165.5 grains. I have a winchester 55 grain fmj that weighed 55.3 grains is this good or bad so far, next gonna see if I can aquire 300 grain bullet.