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308 Barrel Length Velocity Chart

308 Barrel Length Velocity Chart - Barrel length versus velocity (28″ to 16.5″). Web this chart shows velocity changes for all four ammo varieties: This post provides rifleshooter.com’s readers the complete data set for imi samso 7.62x51mm nato 150 grain ammunition. Barrel twist (1/10 or 1/12 etc) will affect how much spin you get, which will affect the stability of the bullet in flight. Barrel length versus velocity (28″ to 16.5″). All in all, this was a very thorough test by the folks at rifleshooter.com. Web depending on the atmospheric conditions, that velocity is near 1120 fps. Looking to compare velocities, i brought out my match.308 with a 24” barrel to compare the results with some hodgdon pistol data! You want your 308 rifle’s barrel to give the bullet a stability factor between 1.3 and 2 at minimum. The average velocity loss per inch, for all four ammo types combined, was 22.7 fps.

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Web The Data Was Summarized In 308 Winchester / 7.62X51Mm Nato:

Web the data was summarized in 308 winchester / 7.62x51mm nato: By ammo type, the average loss per inch was: Web most commonly short barreled rifles have barrel lengths between 7 and 16 inches with the most popular barrel length being 11.5 inches or 9 inches depending on caliber used. By ammo type, the average fps loss per inch was:

24.6 (Win 147 Fmj), 22.8 (Imi 150 Fmj), 20.9 (Fed Gmm 168Gr), And 22.5 (Win 180Pp).

Barrel length versus velocity (28″ to 16.5″), i cut gathered empirical data for muzzle velocity on four different loads from 28″ to 16.5″. Web barrel length will affect muzzle velocity. The 168 grain sierra match king is an excellent bullet in the 308 winchester, and is probably my first choice for the shooting situation we’re discussing in this article. Web this chart shows velocity changes for all four ammo varieties:

Barrel Length Versus Velocity (28″ To 16.5″).

Web depending on the atmospheric conditions, that velocity is near 1120 fps. .308 shorty chronograph data comparison: That said, a higher stability factor is not likely to harm accuracy. All in all, this was a very thorough test by the folks at rifleshooter.com.

A Short While Ago, We Asked For Input On Our.308 Build.

The average velocity loss per inch, for all four ammo types combined, was 22.7 fps. Rifleshooter.com also offers ballistics graphs showing trajectories with different barrel lengths. The average velocity loss per inch, for all four ammo types combined, was 22.7 fps. So you have to ask yourself what type of rounds you intend to use?

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