[11] These are the .243 Winchester, the .260 Remington (6.5-08 A-Square), the 7 mm-08 Remington, the .338 Federal, and the .358 Winchester (8.8×51mm).

It has gained popularity in many countries as an exceptional cartridge for game in the medium- to large-sized class. For more detailed ballistics information please refer to the exact round in question or contact the manufacturer for the pertinent information. Proponents of the hydrostatic shock theory contend that the .308 Winchester has sufficient energy to impart hydrostatic shock to living targets when rapidly expanding bullets deliver a high rate of energy transfer. His tests recorded an average of 22 fps loss in muzzle velocity when he cut 1-inch of the barrel. [15] Layne Simpson, an American who has hunted in Sweden, said he is surprised how many hunters there used the cartridge. [20], PALMA shooting is a variant of full bore target shooting done with a bolt action rifle chambered in 7.62x51mm NATO/.308 Winchester firing match grade 155 grain bullets and using micrometer aperture iron sights out to 1,000 yards. Based on equipment, competitors can choose to compete in one of the two classes, open and standard: The .308 Winchester is one of the most popular hunting cartridges in the United States, and possibly the world. The .308 Winchester is a smokeless powder rimless bottlenecked rifle cartridge.

Based on the table, the .308 Winchester comes in different bullet grains (gr), ranging from around 125 gr to 185 gr. Of course, with different types of rounds for these two cartridges, there will be certain … The .308 Win has anywhere between 30 to 50 more ft.lbs of energy from the muzzle out to 300 yards. So what does the charting of the .308 Winchester's external ballistics tell us exactly? Muzzle energy is the kinetic energy of a bullet as it is expelled from the muzzle of a firearm. Also, the numerical coefficient of 32.163 is normally used in the United States as the dimensional constant for all advertised muzzle energies. As you can see in the table, bullet grain does affect muzzle velocity. A 180 grain bullet fired from .357 magnum handgun can achieve a muzzle energy of 580 foot-pounds. Muzzle energy is also the same energy as kinetic energy (Ek), recoil energy, down range energy or impact energy. Sporting Arms and Ammunition Manufacturers' Institute, Federal Gold Medal 308 Win. Energy is the ability to actively do work on/or between an open or closed system. So it would be best if you looked for a balance between the weight and performance of the bullet. If using a bullet as an example, it does not matter how big the bullet is (size in caliber as long as it still weighs the same) or how big the target is. The common rifling twist rate for this cartridge is 305 mm (1 in 12 in), 4 grooves, Ø lands = 7.62 mm, Ø grooves = 7.82 mm, land width = 4.47 mm and the primer type is large rifle. The equation; half mass multiplied by the velocity squared may be that of the classic statement for kinetic energy, but it is not the equation used. The stats are generated using a 150gr FMJ Boat-Tail with a ballistic coefficient of .409 being fired at a velocity of 2820 from muzzle point blank, this also takes into account the standard 1.5" scope height, and a gun that has been sighted in at 100 yards. With a reduction of the barrel length by 11.5 inches, the MPBR decreased by at least 27 yards.4. The equation contains the four units of measure within it that gives a projectile its measure for the Joule: kilogram; meter; kilogram force and second. Courtney A, Courtney M: Links between traumatic brain injury and ballistic pressure waves originating in the thoracic cavity and extremities.

The only downside of high velocity is the recoil. The average muzzle velocity of a .308 Winchester round is around 2750 fps (feet per second).

Kinetic energy is the general statement and Translational kinetic energy is the specific statement. Winchester branded the cartridge and introduced it to the commercial hunting market as the .308 Winchester. While the above list mentions some averages, there is wide variation in commercial ammunition. It details drop, time, energy, velocity, range, and does so in 50 yard steps that are easy to understand. Offered by many companies as either a single shot or a fast handling lever, Comments have to be approved before showing up, © 2020 Foundry Outdoors - All Rights Reserved, Product successfully added to your Shopping Cart, 223 WSSM Winchester Super Short Magnum Ammo, 243 WSSM Winchester Super Short Magnum Ammo, 25 WSSM Winchester Super Short Magnum Ammo, 300 RSAUM Remington Short Action Ultra Magnum Ammo, 7mm RSAUM Remington Short Action Ultra Magnum Ammo, .308 Winchester vs .45-70 Government Ammo Comparison - Ballistics Info & Chart. The .308 Winchester has slightly more drop at long range than the .30-06 Springfield, owing to its slightly lower (around 30 metres per second (100 ft/s)) muzzle velocity with most bullet weights. I looked up some of the commonly bought .308 Winchester rounds and made a table. When using translational kinetic energy equation as written in SI, there is no need for a dimensional constant (kilogram force); it is assumed to be there. You can then also add atmospheric conditions and angles. The heavier rounds like 185 gr (12 g) Lapua Mega JSP will be lower at 2,510 fps, and the lighter 125 gr (8 g) Spitzer will be around 3100 fps.

This is done by multiplying the dimensional constant by difference in the Earth's gravitational pull and another celestial bodies gravitational pull.

Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet weight, or jacketing type. [3], During the 1940s, the .300 Savage became the basis for experiments on behalf of the U.S. Military that resulted in the development of the T65 series of experimental cartridges. The 45-70 Standard vs the Trapdoor is night and day.

The following is a 1000 yard .308 ballistic chart that was created using our free online ballistic calculator and details all aspects of the bullets trajectory from the millisecond it leaves the barrel until the time it reaches the 1,000 yd mark.

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