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Dependable verticallocking mechanism is easy to use. Simply unlock the knob about 1/4 to 1/2 turn for true microadjustments of .002" or 2 to 2 1/2 turns to depress th knob and make rapid elevation adjustment. Windage adjustment ar also a true .002". The Challenger is compatible with any SURE-LOC accessories.
Black RH Only!
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