6.8 Western

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The 6.8 Western is a centerfire rifle cartridge designed by Winchester Repeating Arms Company and Browning Arms Company. [1] Introduced to the market in 2021 as a big game hunting cartridge that may be also used for long range target shooting. [2] [3]

Contents

History

In 1925, Winchester introduced the .270 Winchester, previously known as the .270 WCF, based on the 30-06 Springfield case necked down to .277" (6.8  mm). Although the .270 Winchester was not an instant success, within a few decades it became one of the most popular big game hunting cartridges for mid sized game worldwide, because of its relatively mild recoil and flat trajectory within practical hunting ranges. Loaded with 130-grain spitzer bullets, the .270 Winchester achieved a muzzle velocity of 3,140 fps from a 24 inch barrel, with factory loads, resulting in a maximum point blank range (MPBR) of approximately 337 yards for a 8" diameter target. [4]

With no competitors other than the .270 Weatherby Magnum, the .270 Winchester has remained as the most popular cartridge of its class for nearly a century. By 2002 Winchester introduced the .270 Winchester Short Magnum, as part of its then new line of Short Magnum cartridges, which was faster by 200 fps resulting in a flatter trajectory and approximately 50 more yards of MPBR, but with the advantage of being chambered in a short action similar to the size of the .308 Winchester . However, this cartridge was designed to shoot 110- to 160-grain bullets to be stabilized by 1:10 twist barrels, similar to the .270 Win.

In 2007, Hornady launched its new 6.5 Creedmoor, also designed to be fed from a short action mechanism. But thought of as a bench-rest competition cartridge rather than a hunting cartridge, it is designed to shoot heavy-for-caliber, high B.C. bullets that need a faster twist to be stabilized. Nevertheless, it started to gain followers among hunters to become one of the most popular big game hunting calibers of the time, mainly due to the development of affordable rangefinders, which reduce the advantages of flat trajectories within moderate ranges as the shooter doesn't need to "guess" distances anymore. [5]

Based on this new market trend for high ballistic coefficient bullets, fast twist barrels and short actions, Winchester in collaboration with Browning designed the 6.8 Western as a new alternative. [3]

Cartridge Design

The 6.8 Western is basically a .270 Winchester Short Magnum case with a slightly rebated shoulder (reducing the case's maximum powder capacity) that needs a barrel with a 1:8 twist to stabilize 165 to 175 grain bullets. [6] [3]

Performance

With a 165-grain bullet, the 6.8 Western is capable of matching the muzzle velocity of a .270 Winchester loaded with a 150-grain bullet. Nevertheless, the higher ballistic coefficient of the 6.8 Western results in a flatter trajectory at distances beyond 600 yards, which may be controversial for hunting purposes. [7]

Centered 3 inches up at 100 yards it will be 4 inches low at 300 yards and 54 inches low at 600 yards still retaining 1500 ft/lb, while a 130-grain .270 Winchester will retain approximately 1200 ft/lb and a 180-grain .300 Win Mag approximately 2000 ft/lb at the same distance.

Sporting use

The 6.8 Western is an adequate cartridge for hunting mid size big game species such as whitetail and mule deer up to considerable distances. Due to its high BC and sectional density it is also adequate for elk and even moose. The possibility of chambering this cartridge in short action rifles as well as its capability to resist cross winds effectively makes it a very good option for mountain hunting. [8]

See also

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References

  1. ↑ "6.8 Western Winchester Rifles". www.winchesterguns.com. Retrieved 2021-09-02.
  2. ↑ "Behind the Bullet: 6.8 Western". www.americanhunter.org. Retrieved 2021-09-02.
  3. 1 2 3 Workman, Dave (2021-02-18). "The 6.8 Western — hottest, newest cartridge". GUNS Magazine. Retrieved 2021-09-02.
  4. ↑ Spomer, Ron (2019). "Mule Deer Cartridge Showdown: .270 Win. Vs. 7mm Rem Mag. Vs. .300 Win Mag".
  5. ↑ Henderson, Brody (2018). "Making the Case for the Maximum Point Blank Range". The Meat Eater.
  6. ↑ "6.8 Western: What You Need to Know About the .277-Caliber Cartridge". June 2018.
  7. ↑ Spomer, Ron. "6.8 Western — New Winchester & Browning Big Game Cartridge". Ron Spomer Outdoors.
  8. ↑ Robinson, Alex (2021). "The New 6.8 Western Is a Versatile Big-Game Hunting and Long-Range Shooting Cartridge from Browning and Winchester". Outdoor Life.
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