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Weapons

.308 Gives You the Longer-Range Edge

When a shotgun or .223 can't reach a heavily armed assailant, turn to the .308.

August 31, 2010  |  by Brian Ostro - Also by this author


Criminals are now just as well armed, if not better armed, than police. Organized gangs, drug traffickers in southern border states and assailants with a rudimentary knowledge of firearms understand that rifles chambered in larger cartridges pack a powerful punch.

As a result, more and more law enforcement agencies have sanctioned the use of AR-style carbines, Mini-14 rifles, and bullpups (produced by Steyer, Kel-Tec and Bushmaster). Most of these rifles are chambered for the widely accepted .223 Remington/5.56 NATO cartridge. The .223 is a respectable cartridge for many applications, but can fall short at longer range for penetrating heavy media such as concrete, armor plating, and dense steel.

As a result, when these applications are attempted with the .223, a need for multiple follow-up shots would place law enforcement and civilians in danger. Among officers, it's commonly accepted that whatever ends the engagement quickly and soundly is the best option.

Enter the .308 Winchester that's more commonly known as the .308 Winmag (winchester magnum). When the cartridge was introduced in 1952, the goal was to take a winning cartridge such as the .30-06 used during World War II in the M1 Garand and shorten it down, while still retaining much of the .30-06 punch. It's now widely used by hunters for deer, bear and other larger game, and soldiers on the battlefields of Iraq and Afghanistan, where it's known as the 7.62x51mm NATO round.

The formula for success is simple, you have a cartridge with a relatively short case that's packed with a high-pressure (about 60,000PSI) load and heavy bullet (150-180 grains) that travels at about 2,800 feet per second. Compare that to the same velocity as the .223, but the .223 bullet is less than half the weight (50-70 grains). The dramatic increase in the amount of kinetic energy that can be delivered on target should now be obvious. A heavier bullet at the same speed will do a lot more damage.

Since the .308 is relatively compact compared to longer cartridges such as the .30-06, its ability to be chambered in smaller platforms such as an AR-type carbine, M14 style SOCOM or bullpup (such as the Kel-Tec RFB) is easy to accomplish. This results in rifle platforms that can be easily chambered for 10 to 20 rounds per magazine. Such a rifle can deal with any threat at virtually any range and, as mentioned above, end the threat quickly and decisively.

The evolution in ammunition selection for the .308 for law enforcement has been no less revolutionary. We now have bonded-bullet ammunition that can penetrate most media, while retaining 99 percent of the bullet's weight with almost no bullet deformation upon entry and exit.

Without getting too technical, a bonded bullet is one where the jacket of the bullet and its lead core are fused using a chemical bonding process. This is a monumental adventage when a bullet travels through tough media such as glass, steel, concrete and armor.

In the past, problems with standard jacketed bullets have included the jackets and cores coming apart, especially upon entry or exit, which was unacceptable. Hornady and Federal Premium now offer ammunition with bonded cores. The Hornady TAP (Tactical/Police) line is one example, as is ATK's Federal Premium line of police and defense ammunition.

Although .308 rifles and ammunition are more expensive than their .223 counterparts, almost every AR rifle maker has a version chambered for the .308. What was previously reserved for SWAT, is now available to your agency.

If you're an agency or officer who is encountering more heavily armed assailants who pose a threat that's out of shotgun range and the .223 is simply not enough, then you should have the final word with the .308.


Comments (1)

Displaying 1 - 1 of 1

gp cobb @ 9/6/2010 8:08 AM

As a vet with both M14's and AR15, we agree the 308 is the answer, especially in taking down a vehicle when that need arises.

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