re: OB got me spending all my money. 15-22 Edition

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what distance did you zero it is at

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Depends on (1) maximum distance you plan to shoot and (2) optic height above bore and (3) velocity/weight of bullet.

My optics on a flat top AR style rifle end up about 2.5 " above the bore. I shoot CCI Mini-Mags that advertise 1235 ft/sec and a 40 grain bullet.

The ballistics calculator I use shows that zeroing at 75 yards means that maximum departure from line of sight is 0.7" (high) out to 75 yards, and is 2.3" low at 100 yards. (I figure 100 yards ia probably the absolute max range for me.)