I max out the length of mine, reasoning is because I want the pins as far away from as possible so it makes them as small as possible. When picking out a spot, I want to be able to pick out the smallest spot possible. Aim small, miss small.
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North American Outfitters
618-651-1800
I have mine all the way out as well. You get a finer aiming point, clearer pins, and the sight housing lines up better w/ my peep. It has most definetly improved my shooting.
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1995 Ford Ranger XL
Douglas Radial Tires
Super Blue headlights
Fiberglass front bumper
2400 pounds