Need maximum rage data.

[NorCal Vu]

Gentlemen,

I need data for some research that is being done at our local range.

Could someone give me the maximum range..not effective but how far can a bullet travel for the following calibers.

Will need maximum range and the angle it needs to be fired at to achieve its maximum range. Thank you in advance for your help.

Vu Pham

50BMG Match Ammo
408 CheyTac
416 Barrett
375 CheyTac
338LM
300WM

 

[Jimmym40a2]

Re: Need maximum rage data.

http://www.tpub.com/content/NAVFAC/1027_3b/1027_3b0034.htm
some of them....

 

[bohem]

Re: Need maximum rage data.

Here's a calculator that will do them all for you.

http://www.eskimo.com/~jbm/cgi-bin/jbmdist-5.0.cgi

For insurance's sake, I'd say give each max velocity about 15% with the highest BC bullets for a given caliber. This way you KNOW it isn't going to travel too far.

 

[NorCal Vu]

Re: Need maximum rage data.

Does the calculator give you optimum angle for flight?

I am also very ignorant when it comes to the calibers listed above so I was hoping some of our ELR experts could give me a hand.

Vu

 

[Jimmym40a2]

Re: Need maximum rage data.

Most guys are not instered in what you are asking only what you can shoot accerately. But most know the 50 will do 9 miles or so.....

 

[bohem]

Re: Need maximum rage data.

Yes, you give it the parameters it asks for and it calculates max range and tells you the optimum angle.

IIRC the 30-06 with 180 grain VLD's @ 2800 fps is about 5700 yards with an angle of 35* (Typo)

Jimmy- I think he's asking for this info so that they can figure out how far behind the backstop a "stray round" that just happens to be fired at optimal angle will travel before it comes down.

My club has 5 miles behind the backstop. They outlawed 50 BMG and the other ELR rounds like 408 CT and 375 CT for the simple reason that an "accidental" stray will land in town 8 miles away.

 

[Lindy]

Re: Need maximum rage data.

The departure angle for maximum range will always be less than 45 degrees.

 

[Lindy]

Re: Need maximum rage data.

By the way, that JBM calculation for the .408 CT - 419 grain bullet, 0.94 BC, muzzle velocity 3000 fps - gives a maximum range of 4.89 miles at an air temperature of 80 degrees F. Departure angle is 35 degrees.

 

[Louis Corkern]

Re: Need maximum rage data.

<span style="font-weight: bold">Maximum Distance for 375/408</span>
Input Data
Ballistic Coefficient: 1.120 G1 Bullet Weight: 350.0 gr

Muzzle Velocity: 3140.0 ft/s

Temperature: 80.0 °F Pressure: 29.92 in Hg
Humidity: 0.0 % Altitude: 0.0 ft

Std. Atmosphere at Altitude: Yes Pressure is Corrected: Yes
Output Data
Atmospheric Density: 0.07647 lb/ft³ Speed of Sound: 1116.5 ft/s

Initial Angle: 35.0 deg Terminal Angle: 60.0 deg
Terminal Range: 9433.3 yd Terminal Velocity: 690.8 ft/s
Terminal Time: 42.4 s Terminal Energy: 370.8 ft•lbs


<span style="font-weight: bold">Maximum Distance for 408CT</span>
Input Data
Ballistic Coefficient: 0.960 G1 Bullet Weight: 419.0 gr

Muzzle Velocity: 2850.0 ft/s

Temperature: 80.0 °F Pressure: 29.92 in Hg
Humidity: 0.0 % Altitude: 0.0 ft

Std. Atmosphere at Altitude: Yes Pressure is Corrected: Yes
Output Data
Atmospheric Density: 0.07647 lb/ft³ Speed of Sound: 1116.5 ft/s

Initial Angle: 35.0 deg Terminal Angle: 59.8 deg
Terminal Range: 8240.0 yd Terminal Velocity: 642.0 ft/s
Terminal Time: 39.7 s Terminal Energy: 383.5 ft•lbs


<span style="font-weight: bold">Maximum Distance for 338XT</span>
Input Data
Ballistic Coefficient: 0.825 G1 Bullet Weight: 266.0 gr

Muzzle Velocity: 3350.0 ft/s

Temperature: 80.0 °F Pressure: 29.92 in Hg
Humidity: 0.0 % Altitude: 0.0 ft

Std. Atmosphere at Altitude: Yes Pressure is Corrected: Yes
Output Data
Atmospheric Density: 0.07647 lb/ft³ Speed of Sound: 1116.5 ft/s

Initial Angle: 35.0 deg Terminal Angle: 62.4 deg
Terminal Range: 7943.3 yd Terminal Velocity: 615.1 ft/s
Terminal Time: 39.6 s Terminal Energy: 223.5 ft•lbs


<span style="font-weight: bold">Maximum Distance for 416 Barrett</span>
Input Data
Ballistic Coefficient: 0.985 G1 Bullet Weight: 400.0 gr

Muzzle Velocity: 3250.0 ft/s

Temperature: 80.0 °F Pressure: 29.92 in Hg
Humidity: 0.0 % Altitude: 0.0 ft

Std. Atmosphere at Altitude: Yes Pressure is Corrected: Yes
Output Data
Atmospheric Density: 0.07647 lb/ft³ Speed of Sound: 1116.5 ft/s

Initial Angle: 36.3 deg Terminal Angle: 62.3 deg
Terminal Range: 8813.3 yd Terminal Velocity: 663.3 ft/s
Terminal Time: 42.3 s Terminal Energy: 390.8 ft•lbs


<span style="font-weight: bold">Maximum Distance for 50BMG</span>
Input Data
Ballistic Coefficient: 1.050 G1 Bullet Weight: 750.0 gr

Muzzle Velocity: 2750.0 ft/s

Temperature: 80.0 °F Pressure: 29.92 in Hg
Humidity: 0.0 % Altitude: 0.0 ft

Std. Atmosphere at Altitude: Yes Pressure is Corrected: Yes
Output Data
Atmospheric Density: 0.07647 lb/ft³ Speed of Sound: 1116.5 ft/s

Initial Angle: 37.5 deg Terminal Angle: 61.4 deg
Terminal Range: 8593.3 yd Terminal Velocity: 670.2 ft/s
Terminal Time: 42.2 s Terminal Energy: 747.8 ft•lbs


<span style="font-weight: bold">Maximum Distance for 338LM</span>
Input Data
Ballistic Coefficient: 0.760 G1 Bullet Weight: 300.0 gr

Muzzle Velocity: 2850.0 ft/s

Temperature: 80.0 °F Pressure: 29.92 in Hg
Humidity: 0.0 % Altitude: 0.0 ft

Std. Atmosphere at Altitude: Yes Pressure is Corrected: Yes
Output Data
Atmospheric Density: 0.07647 lb/ft³ Speed of Sound: 1116.5 ft/s

Initial Angle: 36.3 deg Terminal Angle: 62.5 deg
Terminal Range: 7106.7 yd Terminal Velocity: 587.3 ft/s
Terminal Time: 38.2 s Terminal Energy: 229.7 ft•lbs

 

[ChadTRG42]

Re: Need maximum rage data.

I know a 50 BMG with a FMJ will go over 5 miles from the Texas Motor Speedway shooting. A woman was hit by a stray 50 BMG ball round in the arm through her trailer. I can't find the article that reads the exact distance, but it said it was just over 5 miles away.

http://www.dallasnews.com/sharedcontent/...n1.4ab463f.html

http://www.dallasnews.com/sharedcontent/....178fbecde.html

 

[NorCal Vu]

Re: Need maximum rage data.

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Jimmy M40a2</div><div class="ubbcode-body">Most guys are not instered in what you are asking only what you can shoot accerately. But most know the 50 will do 9 miles or so..... </div></div>

I understand that most are not interested in how far the bullet will fly however our range is concerned about the possibility of the ELR calibers missing our back drop....hence this research. We are in CA and a few miles away there are homes and an airport. One 50cal projectile lands there and guess what...no more range.

Thanks guys for the info.

Vu

 

[dj70]

Re: Need maximum rage data.

Wow! People have to use their God given common sense and be safe. So lucky no one was killed.

 

[bigred200e]

Re: Need maximum rage data.

Seeing how you are concerned with range safety, you should look into the Blue Trail Range incident in Connecticut.
Short version - most likely someone hunting illegally in woods, managing to shoot into someone's home. Blue Trail gets blame, even though trajectory from holes show bullet is traveling horizontal and the round would have to make a substantial turn and go around a small mountain.

Now BTR has installed baffles that prevent shooters from firing anywhere other than down range into the berm, and they are still dealing with legal issues related to the incident.