Bullet Energy

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Bullet Energy

Postby UnderDude » Tue Nov 19, 2013 12:10 am

This is the basic formula for determining Muzzle Energy, rated in ft/lbs.....
Velocity (fps) x Velocity (fps) x Bullet Weight (grains) divided by 450436.
Pistol rounds. Ft/lbs Muzzle. 50yds. 100yds.
380 acp - 95gr bullet at 1125fps. 267. 197. 160

9mm. - 124gr bullet at 1270fps. 444. 351. 293
9mm. - 147gr bullet at 1175fps. 451. 391. 347

38 spec - 130gr bullet at 950fps. 261. 229. 204

357mag- 130gr bullet at 1300fps. 469. 355. 288

40s&w - 155gr bullet at 1205fps. 500. 413. 357

44spec- 200gr bullet at 1100fps. 537. 464. 412

44mag - 240gr bullet at 1490fps. 1183. 936. 748
44mag - 300gr bullet at 1320fps. 1160. 987. 855

45acp - 185gr bullet at 1225fps. 616. 457. 372
45acp - 230gr bullet at 1010fps. 521. 455. 405

Rifle rounds. Muzzle. 100yds. 200yds

223 Rem - 55gr bullet at 3150fps. 1211. 938. 710
223 Rem - 62gr bullet at 2825fps. 1098. 841. 633
223 Rem - 77gr bullet at 2700fps. 1293. 1075. 881

308 Win - 150gr bullet at 2820fps. 2648. 2270. 1935
308 Win - 175gr bullet at 2600fps. 2626. 2287. 1980

7.62x39 - 123gr bullet at 2400fps. 1573. 1182. 873

**This is not a single manufacturer's published data, just a cross section of many**
BC and/or bullet drop available in a PM by request.
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Re: Bullet Energy

Postby CavWarrior » Tue Nov 19, 2013 8:20 pm

Thanks for the info! How about a thread where you walk us novice reloaders through loading your favorite cartridges? Say maybe the 9mm, .45acp, 308, 5.56 and anything else you think we'd be interested in?
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Re: Bullet Energy

Postby UnderDude » Tue Nov 19, 2013 10:42 pm

I could do that.
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