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What is the approximate velocity of a .357 magnum fired from a 2" barrel revolver?
I know velocity is lost from the shorter barrel but how much? Compared to a revolver with a 6" barrel that has on average about 1500 FPS.
The bullet is a Hornady XTP 158 grain with 12.5 grains of accurate #9 powder.
3 Answers
- 8 years agoFavorite Answer
Depends on the weight of the bullet and powder load/brand. With the tried and trusted 125 gr .357 magnum, 6" is 1700 fps, 2" is 950 fps.
A bullet going 1500 fps out of a 6" barrel according to that chart would leave a 2" barrel at around 850-940 fps, again, depending on the weight of the bullet and powder
I usually use this site for referral
- 8 years ago
For every two (2) inches of barrel length gained or lost you only gain or lose 170 feet per second so your two (2) inch barrel is at a total gain or loss of 340 feet per second muzzle velocity.* Its a very minor, insignificant loss of muzzle velocity.* 1500 minus 340 = 1160 feet per second from your two (2) inch barrel.*
Source(s): * No Man can Escape his Destiny with Death.*... * Our Greatest dred has always been the knowledge of our own mortality.*...
