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Our 24/7 Stripe or Dot front sights require a full 360-degree rotation to present the face correctly to the shooter. This translates to a 5 or 7-inch change in point of impact per revolution, depending whether you have a standard or short barrel configuration sight radius. At first this may appear to cause problems but in reality that will not be the case. If you are 5 inches from desired point of impact then the new setting will bring you exactly on line. The furthest out you will be is half of the sight shift, meaning 2.5 to 3.5 inches.
The majority of the rifles and carbines made today have the new A2 style rear sight assembly. The range cam can be disengaged from the elevation mechanism so the 1-minute elevation per click may be employed to correct any remaining problems. The Allen screw to do this can be accessed through that large hole in the rear sight assembly that is just in front of the aperture (now you know what the heck that hole is for).
Even without this ability the fact that the groups most of these rifles generate at this distance are in the 2 to 3 M.O.A. size will allow you to place the zero somewhere between the center and the top edge of the dot at 40 yards..
You must also consider the fact that 100 +yard shots are at the far end of the spectrum in which these rifles are employed by most people and Law Enforcement personnel. When used as a patrol rifle by Law Enforcement personnel it is to supplement their handgun (ranges contact to 15 yards) or extend their zone beyond that realm (25-75 yards). At 50 yards the problem of sight shift is halved and at 25 yards it is now back in the 1.25” (1.75” for shorties) inch per revolution range.