What is the velocity per inch of a barrel of 308?
What is the velocity per inch of a barrel of 308?
308 Win factory ammunition were chronographed at each barrel length. READ RifleShooter.com . 308 Win Barrel Cut-Down Test Article. Summary of Findings: The average velocity loss per inch, for all four ammo types combined, was 22.7 FPS.
How many feet per second does a 308 shoot?
. 308 Winchester
| Bullet mass/type | Velocity | Energy |
|---|---|---|
| 150 gr (10 g) Nosler tip | 2,820 ft/s (860 m/s) | 2,648 ft⋅lbf (3,590 J) |
| 168 gr (11 g) BTHP | 2,650 ft/s (810 m/s) | 2,619 ft⋅lbf (3,551 J) |
| 175 gr (11 g) BTHP | 2,645 ft/s (806 m/s) | 2,718 ft⋅lbf (3,685 J) |
| 185 gr (12 g) Lapua Mega JSP | 2,510 ft/s (770 m/s) | 2,588 ft⋅lbf (3,509 J) |
How long should my rifle barrel be?
Examples of minimum length requirements in federal law [ATF-NFA] include: 16 inch barrel length for rifles, 18 inch barrel length for shotguns, and 26 inch overall length for both rifles and shotguns.
Does 308 kick hard?
308 Winchester; so no it’s not considered a heavy recoil caliber. It’s a short action cartridge, not a long action like a 30–06 or a magnum like a . 300 Win Mag; all three use the same ,308 caliber bullet but the “kick” is different.
How much does the velocity of a 308 change per inch?
They were fairly close. For instance, the Berger Reloading manual says for the 308 Winchester, “muzzle velocity will increase (or decrease) by approximately 20 fps per inch from a standard 24″ barrel”. My data showed an average change of 27 ft/sec per inch of barrel.
What is the barrel length of a 308 Winchester rifle?
308 Winchester / 7.62x51mm NATO: Barrel Length versus Velocity (28″ to 16.5″) Introduction. Released by Winchester in 1952 (and adopted by NATO in 1954 as the 7.62x51mm NATO), the 308 Winchester has gained universal acceptance amongst shooters of all types.
Will a 175 grain compensator work on a 300 yard shot?
It will not be very helpful and when you go out to shoot past 300 yards, your data will not correlate. However, if you use this Field Density Altitude Compensator (FDAC) 308 175gr METERS it will. This data card system I used for the 168 grain but it was much better for the 175 grain.
What is the barrel length of the IMI 150 grain chronograph?
IMI 150 grain FMJ 7.62x51m NATO data was gathered down to a 6″ barrel length. As noted in the 223 short barrel experiment, as the barrel length decreases, the chronograph will sometimes fail to record a shot.
