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5.45x39 balistics please! Drop? Drift? Velocity?


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#1 armedpolak

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Posted 30 August 2009 - 07:35 PM

Hi!
Please post ballistics of the 5.45 ammo.
I just got my 5.45 rifle and I bought Kalinka Optics 4x 400m range finding scope for it with BDC for 7.62 I think. So I wonder how it compares to 5.45.

Thanks!
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#2 Martilyo

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Posted 30 August 2009 - 09:02 PM

Here's a link with some basic info: http://www.militaryf...stics-chart.asp

#3 SilentScream

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Posted 25 September 2009 - 10:40 PM

This is from 1982 Russian AK-74 military manual for
53 grain military round from a 16.3 inch barrel with a muzzle velocity of 2970 ft/sec
(Which should line up perfectly for the saiga using Russian military surplus)

if you want I have data for longer ranges… let me know

Velocity in ft/sec
Distance in meters
0 = 2970
100 = 2673
200 = 2340
300 = 2056
400 = 1792
500 = 1508
600 = 1310

Wind Drift for 10mph at 90 deg.
100 = 1.2in
200 = 4.3in
300 = 9.1in
400 = 20.5in
500 = 34.3in
600 = 52.8in

Bullet drop in inches
Zero at 100 meters (sight set at 1)
50m = 0
100m = 0
150m = -1.2
200m = -3.9

Zero at 200 meters (sight set at 2)
50m = 1.2
100m = 2
150m = 2
200m = 0
250m = -3.9
300m = -9.8

Zero at 300 meters (sight set at 3)
50m = 2.4
100m = 5.1
150m = 6.7
200m = 6.3
250m = 4.3
300m = 0
350m = -6.7
400m = -16.9

Zero at 400 meters (sight set at 4)
50m = 4.3
100m = 9.4
150m = 13
200m = 15
250m = 14.6
300m = 12.6
350m = 7.9
400m = 0
450m = -10.6
500m = -25.6

Zero at 500 meters (sight set at 5)
50m = 7.1
100m =14.6
150m = 20.9
200m = 25.2
250m = 27.6
300m = 28.0
350m = 25.6
400m = 20.5
450m = 12.2
500m = 0
550m = -16.5
600m = -38.6
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#4 Streaker

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Posted 24 October 2009 - 02:47 PM

Now this is what I am talking about. Great Post!!! Something that everyone can use, no matter what 5.45 you end up with.

#5 Bucky G

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Posted 25 October 2009 - 10:22 PM

how does that compare to the 556?

#6 Martilyo

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Posted 06 November 2009 - 12:20 AM

Thanks for that info, it is extremely useful.

#7 RoughRider666

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Posted 06 November 2009 - 01:12 PM

Or you could just get a chronograph and get the ballistics yourself...

#8 Alwaystryin

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Posted 13 November 2009 - 12:24 PM

Do you know the Ballistic coefficient of 7n6? Without it the chrono data is not so useful.

Or you could just get a chronograph and get the ballistics yourself...



#9 RoughRider666

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Posted 13 November 2009 - 02:06 PM

Do you know the Ballistic coefficient of 7n6? Without it the chrono data is not so useful.


Or you could just get a chronograph and get the ballistics yourself...


Why is the Chronograph data not so good? its a long process, but wait a few minutes for the barrel to cool in between shots, for accurate and consistent data. Far as the BC of the 7n6, im not sure, you may want to ask Nalioth or Azrial or someone like them...

Edited by RoughRider666, 13 November 2009 - 02:09 PM.


#10 Fluid Power

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Posted 19 November 2009 - 01:13 PM

What about the 60 grain bullets? the 60 gr are the current military round

#11 jamesavery22

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Posted 13 January 2011 - 12:30 PM

Old post I know...
This is one of the few places where someone posted the bullet drop info from the Rusky manual. I found one other place: http://www.ctshootin...iewtopic&p=8732

and supposedly someone posted other 5.45 info on 65grendel.com but that forum is DOA.

Anyway... Has anyone ever tried plotting out that data? I'm no graphing expert but those bullet drops and corresponding zero's don't make any sense. Just looking at the 200M zero and 100M zero the initial 0 bullet drop's don't match up.

Shouldn't they be the height of the front sight over bore? So ≈-1.8" right?

Well neither line up with that.
The 200M zero makes it seem the muzzle and POA are both 0.
For the 100M zero it looks closer to -0.8 to -1.0

So heres the data I'm plotting:
Distance in Meters Zero at 100 Zero at 200 meters (sight set at 2)
0 -1.8 -1.8
50 0 1.2
100 0 2
150 -1.2 2
200 -3.9 0
250 -3.9
300 -9.8
Graph:
Posted Image

Curves look funky, don't they?

Heres this data:
Distance in Meters Zero at 100 Zero at 200 meters (sight set at 2)
0 -0.8 0
50 0 1.2
100 0 2
150 -1.2 2
200 -3.9 0
250 -3.9
300 -9.8
Posted Image


Is the data just wrong or(more likely) I'm screwing something up?

#12 Gonzo the nothingman

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Posted 14 January 2011 - 03:21 AM

Old post I know...
This is one of the few places where someone posted the bullet drop info from the Rusky manual. I found one other place: http://www.ctshootin...iewtopic&p=8732

and supposedly someone posted other 5.45 info on 65grendel.com but that forum is DOA.

Anyway... Has anyone ever tried plotting out that data? I'm no graphing expert but those bullet drops and corresponding zero's don't make any sense. Just looking at the 200M zero and 100M zero the initial 0 bullet drop's don't match up.

Shouldn't they be the height of the front sight over bore? So ≈-1.8" right?

Well neither line up with that.
The 200M zero makes it seem the muzzle and POA are both 0.
For the 100M zero it looks closer to -0.8 to -1.0

So heres the data I'm plotting:
Distance in Meters Zero at 100 Zero at 200 meters (sight set at 2)
0 -1.8 -1.8
50 0 1.2
100 0 2
150 -1.2 2
200 -3.9 0
250 -3.9
300 -9.8
Graph:
Posted Image

Curves look funky, don't they?

Heres this data:
Distance in Meters Zero at 100 Zero at 200 meters (sight set at 2)
0 -0.8 0
50 0 1.2
100 0 2
150 -1.2 2
200 -3.9 0
250 -3.9
300 -9.8
Posted Image


Is the data just wrong or(more likely) I'm screwing something up?


Well, it definitely doesn't make sense that the bullets in the second chart started from a different elevation. That is, unless this is an actual test where the Russian holding the 100m zero rifle was shorter than his comrade with the 200m zero (or standing in a ditch).

It makes sense that the second chart (bullet drop from muzzle) starts at zero. It makes sense that the zero chart starts from the below the aiming point of the sights (at the muzzle) and climbs and drops to the zero (the second time the curved path of the bullet intersects the straight line of the sights) . But it doesn't make sense that a chart measuring bullet drop from the muzzle would start from a point below the muzzle.

Edited by Dudethebagman, 14 January 2011 - 03:23 AM.

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#13 SilentScream

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Posted 14 January 2011 - 05:01 AM

Just to clear things up the manual does not state the position of the bullet at the muzzle. I think if you start forcing the graph through -1.8 inches (your graph # 1) it will look a little funny, plus I did not convert the values to all significant figures, I didn’t think a hundredth of an inch matters at 100m or 200m (remember your spread at 100 m will be 2 inches or more) all those thing add up and make the graph curvy but make no real difference in real world.

The bullet start at different position in graph # 2 because graph starts at 50 meters not muzzle it needs to have a bigger arc hit zero at 200m then to hit zero at 100m

Anyway I will include the original page with translation let me know if there are any question don’t forget that you have to do a lot of conversions (cm to inches / grams to grains / meters to feet) for it to make sense this. Now you can get more accurate numbers

P.S. I have tables like this for other soviet small arms if any one needs them let me know I will post them.

Posted Image

#14 jgillaspy

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Posted 14 January 2011 - 05:18 AM

Actually the "0" mark is the line of sight, so the bullet trajectory should start 1.5" to 1.75" BELOW the "0" since the sights are 1.5" to 1.75" above the barrel on an AK. There are a couple of online trajectory calculators available to use for these calculations. If you know the caliber, muzzle velocity and weight in grains this one will work:

Ballistic Calculator


You will still have to graph it. I found a free installable ballistic calculator but I'm at work now and don't have access to it.

Good Luck,

JG
US Army '83 - '91 97E - Russian

Be fluid: flexibility is too rigid.

"It's the unconquerable soul of man, not the nature of the weapon he uses, that insures victory." - Gen. George S. Patton, Jr.

#15 jamesavery22

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Posted 14 January 2011 - 10:05 AM

Actually the "0" mark is the line of sight, so the bullet trajectory should start 1.5" to 1.75" BELOW the "0"
...snip...
Good Luck,

JG


That's exactly the impression I'm under.


SilentScream,
thank you very much for posting that page as well as the translations! I'll play with that info.

This is just an exercise for me. No real use for the data but it just bugged me that I can't work it out.

#16 ESSOHBE

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Posted 14 January 2011 - 10:35 PM

Got a question:

Say I set the sights @ a 200m battle zero like an AR. Then this chart applies:

Zero at 200 meters (sight set at 2)
50m = 1.2
100m = 2
150m = 2
200m = 0
250m = -3.9
300m = -9.8


Look at the ones I highlighted - they mean bullet drop or bullet rise before the 200m zero? It's rise, correct?

The Prolapse Protocol: P(2)+0(2)= P o o p !

 


#17 SilentScream

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Posted 15 January 2011 - 02:30 AM

If by “battle zero” you mean by setting the slider to number “2” of a properly sighted AK/saiga and leaving it there. Then yes that would be 1.25@50m, 2@100m, 2@150m inches above the line of sight (line of aim literal translation). The “battle zero” of an AK/saiga is actually a setting on the sight ramp (all the way back) sometimes labeled as Ď, P or III roughly correlates to a 300 meter zero. The Russian letter Ď comes from a word ďîńňî˙ííîĺ (postoyannoe) meaning – “constant” where this is the sight setting the rifle should be set at when in the field or storage and left there unless a more accurate shot is required. This way a solder could just pick up the rifle and fire at an enemy solder out to 300 meters and be able to hit him.

#18 ESSOHBE

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Posted 15 January 2011 - 09:48 PM

Gotcha. Cool.

The Prolapse Protocol: P(2)+0(2)= P o o p !

 


#19 3rdgeargrndrr

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Posted 14 September 2011 - 01:20 AM

if anyone needed the specifications of the bullet, for the calculator its these numbers

Bullet weight - 3.42 grams (53gr)
initial velocity, according to the manufacturer - 870 m / sec (2854 ft/s)
Ballistic coefficient: 0.282



i translated the russian from this site using google translator


#20 rifleshooter474

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Posted 14 September 2011 - 12:15 PM

This is from 1982 Russian AK-74 military manual for
53 grain military round from a 16.3 inch barrel with a muzzle velocity of 2970 ft/sec
(Which should line up perfectly for the saiga using Russian military surplus)

if you want I have data for longer ranges… let me know

Velocity in ft/sec
Distance in meters
0 = 2970
100 = 2673
200 = 2340
300 = 2056
400 = 1792
500 = 1508
600 = 1310

Wind Drift for 10mph at 90 deg.
100 = 1.2in
200 = 4.3in
300 = 9.1in
400 = 20.5in
500 = 34.3in
600 = 52.8in

Bullet drop in inches
Zero at 100 meters (sight set at 1)
50m = 0
100m = 0
150m = -1.2
200m = -3.9

Zero at 200 meters (sight set at 2)
50m = 1.2
100m = 2
150m = 2
200m = 0
250m = -3.9
300m = -9.8

Zero at 300 meters (sight set at 3)
50m = 2.4
100m = 5.1
150m = 6.7
200m = 6.3
250m = 4.3
300m = 0
350m = -6.7
400m = -16.9

Zero at 400 meters (sight set at 4)
50m = 4.3
100m = 9.4
150m = 13
200m = 15
250m = 14.6
300m = 12.6
350m = 7.9
400m = 0
450m = -10.6
500m = -25.6

Zero at 500 meters (sight set at 5)
50m = 7.1
100m =14.6
150m = 20.9
200m = 25.2
250m = 27.6
300m = 28.0
350m = 25.6
400m = 20.5
450m = 12.2
500m = 0
550m = -16.5
600m = -38.6


Very helpful thanks for posting it.




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