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Brownells Retro 4x AR15/M16 Carry Handle Scope: reproducible elevation adjustments?

While at a dynamic practical rifle match with his Colt M16A1 (9 million series), Mike wound the adjustment drum too far on his Brownells Retro 4x AR15 / M16 carry handle scope, and lost elevation zero by about 4 MOA or so. Which was fun on the clock!

The question is: if you don’t wind the adjustment to the stop, are the adjustments reproducible if you wind the scope all the way down, all the way up, and back to 300m?

Ammo is GGG 55gn .223 Remington


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