2 years 43 weeks ago, 4:05 PM
LLE  |
Basic ballistic trajectory curve for .............
standard 5.56 NATO, 55gram/ cartridge, 16" barrel. I have been trying to research this topic, and wonder if anyone can confirm the little bit I have found. Any body confirm this, or correct it. If you have different numbers, please cite source. Thanks for any help.
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samD
Try this site:
http://www.shootingtimes.com/ballistics/?url=%2Fballistics%2F12_gauge.ht...
LLE
They do not show 5.56 NATO, but do show Remy 223, which probably is close.
samD
Got to be something online.
5.56 NATO Ball Ammunition Ballistic Comparison
based on Aberdeen Proving Ground Data
velocity (fps) trajectory (in.) drop (inches) drift (inches)*
range M193 M855 M193 M855 M193 M855 M193 M855
(meters)
0 3,200 3,100 -2.5 -2.5 0.0 0.0 0.0 0.0
100 2,774 2,751 +2.8 +4.4 -2.2 -2.3 1.3 1.1
200 2,374 2,420 +2.7 +5.8 -9.9 -10.2 5.8 4.9
300 2,012 2,115 -4.9 0.0 -25.1 -25.3 14.2 11.8
400 1,680 1,833 -23.0 -15.0 -50.8 -49.5 27.6 22.4
500 1,373 1,569 -56.2 -42.9 -91.6 -86.7 47.5 38.0
600 1,106 1,323 -113.1 -88.2 -156.1 -141.3 76.4 59.5
700 995 1,106 -206.8 -156.1 -257.3 -220.9 113.5 88.4
800 927 1,010 -339.9 -267.7 -398.0 -339.2 156.1 124.9
* Drift for 10 mph wind.
M193 Ball ammunition fired in M16A1 rifle with 250 meter battle sight zero.
M855 Ball ammunition fired in M16A2 rifle with 300 meter battle sight zero.
Vaquero
The 5.56 nato and .223 remmy are identical except for operating pressure.
5.56 has a higher cup pressure. If you can give me a couple of days to get home, I will gather my loading manuals and ballistic charts.
samD
above
Also look here:
http://ak-47.net/ammo/ss109.txt
Reaper308
36 yds is dead on at 300 yds. I think 25 yds is pretty close at 200 yds.
ACE
Check out www.snipercentral.com/223.htm
Anonymous
I dont have one around anymore but back when I worked out at Fort Lewis(ARMY)I would find targets left in vehicles.These were actual military targets.Printed on the target was a "M16-zero at 25 meters=4 inches high in elevation at 100 meters.I cant quote a source but you know I wont feed you a line.for what it is worth...
LLE
You have deluged me with data and information. I will be studying quietly, and when I go stark raving insane, I will get back to you to ask more questions. OR, even in 100degree plus temp, I may just go to the range, and do some cut&try.
In the meantime--thanks to alla y'all.