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Posted: 6/7/2006 6:25:52 PM EDT
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Zeroed my Colt 6920 at 100 yards. At 50 yards grouping 1.5" low. Any comments? Note: Ammo 62 grain, Adcom. |
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I'd sight your rifle in at 50 yards. Which would mean that from the muzzle until reaching 50 yards your rifle will slowly rise from about 2 inches low to zeroed at 50 yards. Then your bullet will climb and you will be about an inch or two high at 100 yards. Your bullet will be level again at about 200 to 250 yards and now begin dropping below your 50 yard sight in. At about 300 yards your round will be about 4 inches low. The reason for this zero instead of the 100 yard zero is that you are "combat" sighted, meaning that you your point of impact is within 4 inches of your point of aim for 300 yards. I've done this on all of my ar-15's and learned it in a military manual. Under stress you will probably forget to aim low or high but within 300 yards your bullet will still hit it's target because the difference isn't more than a few inches for most gunfights. |
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