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Posted: 7/11/2006 6:07:32 PM EDT
| A couple weeks ago i downloaded a 25yrd zero target off the site, and was wondering can i print it out on 8x11 inch paper or does it need to be on a larger piece of paper? |
I always forget this till I set up the target and read 100m. you would think after a couple of times it would be easy to remember. |
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Using the small sight places your mechanical offset where it needs to be for 300 yards. Make sure that if you're using iron sights, you determine which ones (M4 or A2) you're using. The wheel shouldn't be set to 8/3, it should be one notch past if I remember correctly. I think the M4 is different than that, but have been using EOTechs and such for so long I can't remember. That's a shame. |
I tend to think that it you should be able to print it on 8.5x11. It doesn't matter a whole lot as the desired effect is to get all the rounds in the middle. What matters is that you have proper firing position, breathing and trigger squeeze. Then just adjust your sites until your rounds hit the dude in the chest. Ideally you should put three rounds down range then adjust as this will save lots O ammo. Most important thing is to have fun while doing it. Unless you are in boot camp then you should have no outward expression of fun lest you attract the attention of the D.I., just keep it to yourself is all. One shot... One Kill. |
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If your 25 meter target doesn't work out you can try what I did. I had trouble seeing the target good so I asked on here what kind of target I could use. The guys on here recommended a large black circle with a white circle inside of it making a "doughnut". It was much easier for me to see. I just held right at the bottom of the white circle and finally got zeroed in. For the target I took a pizza box and used a black permanent marker to color a large circle but I left about an 8" space inside of the black uncolored. Then I took white paint and and painted the uncolored space. Just a suggestion if your downloaded target doesn't work out for you. Good luck. |
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okay, I hate to sound stupid. I move it to 8/3 and zero it on the target at 25 yards Then it is zero'ed. When I move to the 100 yard range, do I move the rear sight to 100 (A2 Sights)? and to 200 and so forth? thanks ..wiley Houston, TX Racing Miatas; Good Cigars; Big Guns |
| You zero it at 25 METERS with the sights set on 8/3 +1 click. This will zero your rifle at about 300 meters. That is to say, at that distance your point of aim and point of impacti should coincide. At nearer distances, you will have to aim low. There is no 100 meter setting on the A2 sights. Simply hold low. |
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I will take a stab at answering this for you. Please don't feel that I am talking down to you, I just don't know what level of experience you have. If you zero at 25 meters, with the sight set at 8/3, you will be set to hit COM (Center of Mass) of a human sized target from point blank to 300 meters. What you have to remember is the bullet's trajectory, and the difference between that trajectory and your POA (Point of Aim) and POI (Point of Impact). Your eye, looking through the sights, will track a straight line to your target. Imagine a straight line on a piece of paper. Your bullet will travel in an arch. Imagine a curved line on your paper the shape of a frown. The curved line will start 2.6" below your straight line, or POA, because that is how much your barrel is below your sights. The curved line will cross over the straight line, or your line of sight/POA, at 25 meters, and at 300 meters it will drop below again. Between 25 meters and 300 meters the "frown", or bullet trajectory, will be above your straight line or POA. What this means to you is that if you set a pop can, which is quite a bit smaller than a human torso, at 100 yards, and place your front sight on the center of the can, your bullet will strike the ground behind and above your can, because the bullet is 6" above your POA at that distance. And if you try to shoot a pop can at 5 yards your bulllet will strike the bottom of the can, or just under it, because the bullet is just over 2" below your POA. The reason this works for the Army is that they hold just above the navel, and the trajectory of the bullet rises, and then drops, within the vertical distance of the torso. To answer the other part of your question, there is no distance setting on the elevation wheel for 100 meters, 200 meters, etc. I teach my Officers to use the large peep (0-200) for up close and low light, and use the small peep (keeping in mind the bullet trajectory discussed above) for longer shots. Edited to clarify trajectory info. |
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Thanks Kilroy and Scout i understand the basics. my other battle rifles are an M1 Carbine and a Garand which DOES have marks for the distances. I have not closely looked at the rear sights on my Bushie Dissipator but have read the zero directions from Bushmaster. If I am never going to shoot at 300 yards, is there a way to zero at 100yds and make POA and POI (close to) the same? thanks ..wiley Houston, TX |
| Yes...... use the link to the Blackwater target and follow the directions in this thread. On page 2 there is a post showing the trajectory difference between the 100yd zero and the IBZ 50yd method. |
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