This email link is to reach site administrators for assistance, if you cannot access TFL via other means. I will start with the assumption that everyone gets the concept of gravity. For the rest of us just sight your AR in at 50 yards and leave it alone. This is a .223 ballistics chart (external) generated using our ballistic trajectory calculator. On a .223 AR you lose about 50 FPS for every inch of barrel you take off. That way, the bullets will hit somewhere below the point of aim, and you can see how much.". This email contact address is not an "Ask the Firearms Expert" service. Gravity is not the only thing acting on your bullet however, there is also the air. So what does the charting of the .223 remingtons external ballistics tell us exactly? This load at 1,000 yards drops 480.2 inches (five feet less than the .223 above). Pick a rifle and pick a load, and stick with it. I'm trying to work out what bullet drop from 100 yd zero I'm likely to get, so I can adjust my scope from 100 yd zero. About 14 minutes from 100 yard zero.
This energy has the advantage at longer distances and the .308 doesn’t drop as far as the .223 past 500 yards. If you zero that in at 50 yards, it will hit 4.2 inches low at 200 yards. Hmmm. In fact the bullet drop and performance is about the same as for the .223 round fired from a carbine, but of course the .308 has a lot more energy. At short distances the bullet will impact below your point of aim then travel upwards and intersect the point of aim at the distance where you sighted in then start to drop. Put your aim point at the top, and make the target about 8 feet high.
Then you can make yourself a cheat sheet with distances and bullet drops that you can quickly reference. Being a high velocity round the trajectory is relatively flat within a few hundred yards – past 400 the drop-off is significant. The charting shows the range, drop (based off a 1.5" scope mount), current velocity, energy, and time in seconds in relation to the bullets movement through space and time. Such emails will be ignored. The shorter the barrel the less velocity you get. In shooting, the second the bullet exits the barrel gravity takes hold and starts to pull the bullet down towards the ground. Ironically heavier bullets also have more energy and at longer distances can actually drop less.
To keep things simple lets stick with standard 55 and 62 grain FMJ military loads. How long your bullet stays in the air also depends on the shape. Based off a standard 55gr bullet leaving the barrel at 3,215fps and follows the bullet trajectry all the way to 1000 yards in steps of 50 yard increments. These calculators are also available as apps for smart phones: http://www.hornady.com/ballistics-resource/ballistics-calculator, http://www.winchester.com/learning-center/ballistics-calculator/Pages/ballistics-calculator-silverlight.aspx. Depends on the velocity, shape of the bullet, and where the rifle is zeroed. It turns out that zeroing a .308 AR at 50 yards works just as well.
The Ballistic Coefficient for the .223 Remington, Remington Metal Case, 55gr is 0.202 (in this example) but, but may also range from .185 bc to .257, A
Thumb image courtesy of Wikimedia Commons.
The longer the bullet is in the air, the further down it will travel as well. 600 yards shooting, even in competition, is a single load affair (no need for cartridge to fit in the magazine), so there's no eed to compromise. Thanks _____ Fast is fine, but accuracy is everything. Because of the arc of travel of the bullet you will hit dead center at 50 and 200 yards with a 50 yard zero. Barrel length is another factor that affects velocity. "I would make my best guess on scope adjustment, but use a piece of long paper, like wrapping paper or butcher paper. It helps if you can chronograph your load so you know exactly what your average velocity is for your ammo and your rifle. For example in this chart I lowered the velocity to compensate for a 16 inch barrel instead of the 24 inch barrel listed: At 500 yards you lose almost the entire height of a person and even at 200 yards the bullet is 3.2 inches below the point of aim. You can expect between 110 and 125 inches of drop at 600yds. I ran a couple scenarios though my calculator... Geco chronos at 2967 out of a 16" barrel.
This is why when you are shooting at various distances it is important to know the distance and know how far your bullet will drop so that you can compensate.
Add to all of this any cross winds and unless you really know what you are doing, you may as well be throwing rocks. Gravity exerts more force on a heavier bullet and pulls it down faster. You should never zero at 100yds your trajectory will be too flat and result in massive drop.
The simplest thing to do is to use one of the many ballistic calculators available online. I've thought about how to go about this, although I'm not interested in shooting my AR's beyond 300 yards. This energy has the advantage at longer distances and the .308 doesn’t drop as far as the .223 past 500 yards.
223 bullet drop at 600 yds?
Joined Jan 2009; Posts 331; EE Offline; KS, USA . But don't waste your time with a 55 at 600, we had one guy shoot a highpower match, his 55 FMJ loads were actually bouncing off the target frames back into the pitts at 600 and were all over the place. It says that at around the halfway point of 500 yards the bullet will have slowed to less than half of its original velocity, lost 1000 ft pounds of energy (now pushing just 207 lbs), and dropped due to gravitational forces some 64 some inches, and all of this in just a fraction of a second (.741 of a second). Remington Metal Case, 55gr. Copyright Complaints: Please direct DMCA Takedown Notices to the registered agent: http://www.hornady.com/ballistics-re...ics-calculator, http://www.ar15.com/content/page.html?id=213. If you don’t then have a friend throw apples at your head until you do. By adding trajectories to the panel on the right you may produce charts and graphs that show the different trajectories side by side.
The situation is worse for a 62 grain .223 FMJ bullet since the higher weight also reduces muzzle velocity to around 2,700 FPS. Yea, it is probably transonic at 600 yds which may be pretty unstable with this type of bullet. Finally you have to consider the initial velocity of the bullet. Different shaped bullets will have different levels of drag and some will fly longer and straighter than others. Some time in the future I'm going to try my AR15 at 600 yds. That is actually not correct. We had to radio back to get him disqualified, as it was too dangerous. It will a produce a line graph showing the bullet drop and flight path of the bullet. This load at 1,000 yards drops 480.2 inches (five feet less than the .223 above).
At 500 yards you hit 72.2 inches (6 feet) low and at 1,000 yards it is 549.3 inches low or more than 45 feet.
This chart does not account for atmospheric conditions, so if you want to take in to effect these things check out the calculators official page. Obviously, this is just gun fun, I doubt the 223 has much energy left way out there. Zero at 25-30yds will put you a little high at 100 and 200yds and zero again at 300 and a zero at 50yds will put you a little high at 100 and 200yds and zero again at 210-240yds. Some time in the future I'm going to try my AR15 at 600 yds. This calculator will produce a ballistic trajectory chart that shows the bullet drop, bullet energy, windage, and velocity. Based upon a 55gr bullet with a mv of 2800 fps here's the energy breakdown: Old thread but just want to reference that the extreme drop you were experiencing at 200yds is due to your zero at 100yds. Real snipers also have to consider elevation, angle, wind speed and wind direction, humidity and temperature. If you are a tactical shooter and just looking to hit a man-sized silhouette at intermediate ranges (out to 300 yards) your worries are minimal. Using standard military FMJ 150 grain ammo from a 20 inch barrel rifle you only drop 4.3 inches at 200 yards. The faster it starts the longer it stays airborne. The popular advice is to sight your .223 AR at 50 yards and you will be zeroed in at 200 yards as well. Past that it starts to matter, and it matters a lot if you are a hunter or otherwise need to make a precision shot. Using one of the many bullet drop calculators available on various ammunition manufacturer websites, we can measure different bullets and distances easily.
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