Yesterday at the range when I was adjusting the ellevation knob (on my Tasco Target/Varmint 2.5x10) it started so spin freely (no clicks) with out adjusting anything. When I pressed it down hard I could turn a few clicks at the time. 
I noticed that there are screws in the knob; is it somethimg I can fix myself? (how?) What should I do?
I noticed that there are screws in the knob; is it somethimg I can fix myself? (how?) What should I do?
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