Home AR-15 The Flat Shootin' 50 yard Zero (The Best Distance To Sight In...

The Flat Shootin' 50 yard Zero (The Best Distance To Sight In A Red Dot)

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In this video, I talk about the 50 yard zero. If you’ve just mounted an optic on your AR 15, the obvious next step is to get it sighted in. Now the thing is, you’ve got a few options to choose from. There are a lot of guys that like a hundred yards, you’ve got some that like 25, and then others that like 50 or 200 yards because those two zeros are pretty close to being the same. Personally, I’m a big fan of the 50 yard zero because it’s flat shooting and versatile at several distances. And I want to show you some of the actual results I got from shooting at the range. So, if you’re ready… here’s what I found out. So, to start off I was shooting my Colt LE6920 and my current favorite red dot sight, the Holosun HS503C. I was also using WOLF Gold .223 Rem. ammunition which I’m a fan of because its brass -cased and relatively cheap. So after shooting a few groups, I was able to dial in my optic to be right on at 50 yards. After that, I really wanted to see how the rifle would be hitting at 100 yards. So, I pushed the target back and shot some groups. I found out that the groups were hitting about 3 to 3 and a half inches high at that distance. Now, that’s not too far off, but it is a little higher than you usually here a 50 yard zero hits at 100. Usually your here that it hits an inch or two high. Now, 3 inches still isn’t too far off and on most practical sized targets you can just aim dead on and still make solid hits. But, on small sized targets that like 6-inch plates, you will probably have to aim low to be able to hit your target. Ok, so I also wanted to see where the rifle was hitting at 25 yards. I shot 3 groups at that distance and found that you hit about an inch low with a 50 yard zero at that distance, which to me means you can aim right on for almost any target and still make accurate hits. So, all in all, when you’re right on at 50 yards, you’ll shoot about 3 inches high at 100 yards and an inch low at 25. I think those are pretty solid results because and I’m gonna stick with a 50 yard zero on my rifles outfitted with red dot sights.

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11 COMMENTS

  1. Everyone in this comment section needs to go to a ballistic calculator and check a 50 yard zero, with different sight heights. Try it. Then, you will further understand trajectory. People mount their optics, on their ARs, anywhere from 2"-3.5" above their bore. This will change your trajectory dramatically, according to how high your optic is. If you don't believe me…. Try it. Type in 2", then type in 3.5", and look at the difference. That's why a hunting rifle .223(optic mounted about 1.5" above bore) will have a 50-140 yard zero, and an AR will have a 50-200+ yard zero, using the same .223 round. The higher your optic is mounted, the steeper of angle that your barrel will be aiming upwards, to intersect with the 50 yard line of sight. This causes your bullet to travel on a higher arch, making your apex higher, and making it intersect with the line of sight further down range, when the bullet is descending.

  2. Your optic is mounted high. You've created a steeper upward angle, from your barrel, to your line of sight. I like my optic mounted high also. It's all according to how high you have your optic mounted. That's why a hunting rifle .223 will be more like a 50-140 yard zero. My 50 yard zero is 50-260. My optic is 3.4" above my bore. A little over 2" above my rail to center of red dot. I'm a tall guy. But, I love my zero there. 2.5" high at 100, 3" high at 160(apex), 2" high at 200, zero again at 260, 4" low at 300. My 4" MPBR is now 300 yards. Just point and shoot. A lot of people don't understand the importance of your optic height, related to your bullet trajectory. It's important!!!

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