6.8 Western Specs - When a brand new cassette is announced, there is always "celebration"; "Hooray!" The ones who yell that and throw their hats in the air. There are also "naysayers"; The ones who claim we've never used a cartridge since the .30-06 and talk on the internet about new cartridges being crap. And then there are people who watch with interest and evaluate the new cartridge by what it is made of.
Over time, most new cartridges tend to lose popularity. Others, like the venerable .270 Winchester and 7mm Remington Magnum, prove themselves and earn a solid reputation for reliability, accuracy and performance. However, like the .30-06 Springfield and 6.5 Creedmoor, they are becoming superstars immortalized in their performance and popularity.
6.8 Western Specs
In the past few decades, unprecedented advances in cartridge design have been made: accuracy standards have been tightened significantly. Now we can analyze the bullet performance during flight by Doppler radar. Bullets are more streamlined and aerodynamic, scopes adjust for range with a twist, and shooters have learned they can shoot three times more consistently than they could a quarter century ago. Cartridge development has really reached a new level.
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In early 2020 I was informed of a new cartridge being developed by Winchester and Browning. As a guns writer, news like this has always piqued my interest, especially since it's been a while since Winchester announced a new round. A Browning X-Bolt was soon on my way, in a cartridge that has yet to be announced. I was excited to see what it could do on the track and in the field. Initial accuracy tests were very promising, and that fall I was fortunate enough to kill a monster bull moose on public land with the cartridge. Not long after, I watched a friend kill a huge cow buck in one round with an excellent first shot at 496 yards.
Almost two years later, the 6.8 Western cartridge has proven to be remarkably accurate at range and really effective at long range. The results in the hunting section were equally impressive. Now the question is, will it last? In 10 years, will the 6.8 be just another cartridge with a small corner slot on the gun shop's ammo shelf? Or will it attain the respectable status of calibers like the .270 Win. and 7mm rem. Like.? Could it be famous like Out-Six and Creedmoor? Only time can tell.
Fifty years ago in America, a cartridge had to group less than 1.5 inches at 100 yards, shoot fast enough (flat) to allow for a direct hold at 250 yards, and be able to hit hard enough to put out a deer or kill a moose. If you meet these requirements, you have an all-American cartridge. Not today.
In America today, cartridges must be able to fire long, aerodynamic, heavy-caliber projectiles that exude energy and speed. It should have an accuracy that old shooters could only dream of; If it doesn't shoot at .75 MOA or less, it'll be left behind. And it should look good. Meet all of these requirements and you could have a popular new American cartridge.
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With that in mind, let's compare the four proven cartridges I mentioned to the 6.8 Western. We will look at four practical elements:
Velocity: Here I am giving muzzle velocity in feet per second (fps) and velocity at 1,000 yards.
Aerodynamics: I'll cover the G1 ballistics coefficient (BC) numbers (higher is better), drop (which characterizes the cartridge's velocity and energy carrying capacity), and winddrift (windbucking ability).
Estimated Maximum Lethal Range: To get this number, I simply looked at the maximum distance at which a bullet would maintain a velocity of 2000 or more fps. Some bullets expand significantly at low speeds, but we
Western Cartridge Review
Almost every hunting bullet is upgraded to 2000 fps and faster. So I chose this as my minimum speed threshold. Yes, you can almost certainly meet a wild animal further away than shown. But I've seen how big game was shot perfectly at long range when the speed wasn't enough and the bullets didn't stretch. The result was unimaginable.
*Author's Note: These numbers are for comparison only. If you plan to shoot game at longer ranges, do your research and learn what your bullet's minimum rate of extension is. Calculate how far your bullet falls below that threshold and place shots within that range.
This is the darling of modern cartridge design. Originally built for 1,000m competition shooting, the 6.5 Creedmoor is now also widely recognized as an excellent hunting cartridge, particularly for deer-sized game. It has gained unprecedented popularity because it can be summed up as having a "friendly nature". That's correct; With good ammo, most rifles produce an accuracy of 0.75 MOA or better. Aerodynamics is Creedmoor's game: barrels typically have a 1:8 inch twist and long, high BC projectiles are common. Recoil is light. It's not too fast, which is a double-edged sword; Run life is excellent, but speed drops below the reliable expansion threshold relatively quickly. With long-range ammo, the Creedmoor's 2000fps range is over 600 yards.
The .270 Winchester has been an American favorite for nearly a century, and rightly so. It's meek, accurate, and superbly flat to about 300 yards. It excels at deer and pronghorn sized game and is more than adequate for elk with premium bullets and careful shot placement. Developed long before laser rangefinders were invented, it met the needs of the day by sending light (similar) projectiles down as fast as possible, virtually eliminating the need for a layover. This required a relatively slow rate of rotation of the gun, about 10 or 12 inches per revolution. This is the only fact that makes the .270 less effective at long range. These slow-twist barrels don't stabilize long, high BC projectiles very well. Typical accuracy is in the 1 to 1.5 MOA range, although some rifles shoot significantly better. With high-quality hunting ammunition, this cartridge maintains a velocity of 2000 fps up to a distance of about 600 meters. After that, the speed decreases very quickly.
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The 7mm Remington Magnum has long been a favorite of western hunters and offers similar flat shot performance to the .270 Win. on steroids. The 7mm, however, transitioned seamlessly into high BC bullets and quickly became one of America's most popular long-range hunting bullets. It's wonderful for all big game, including moose. Barrel life isn't amazing, neither is magazine capacity, but this cartridge gets the job done at full speed. Accuracy is only as good as the rifle and ammo you feed it with. Most modern rifles with premium ammo shoot under 1 MOA, and some shoot much better. The recoil is moderate and the speed of over 2000 fps is excellent at around 800 yards.
It's one of my favorite calibers of all time, and I'm not alone in thinking this. It has been America's favorite big game cartridge for more than a century. It worked well in both world wars. .30-06 Springfield is a great round. It doesn't shoot quite as flat as the .270 or 7mm, but it shoots fairly flat and hits remarkably hard. The recoil is on the top of the medium. But like the .270, most .30-06 barrels don't have enough twist rate to stabilize long, aerodynamic projectiles. And it doesn't have the powder capacity necessary to send heavy, high .30 BC caliber bullets down with enough velocity to work well at very long ranges. Accuracy is usually in the 1-1.5 MOA range (which was incredibly good when the cartridge was designed), although higher-end rifles can, and often do, shoot much better. With good ammo, the .30-06 lasts from 2000 fps to over 500 yards.
Since its announcement in early 2021, the 6.8 Western has earned an inspirational reputation for accuracy. Developed in collaboration between Winchester and Browning, the cartridge was originally used in Browning X-Bolt rifles. These rifles typically have an average accuracy of 0.5 to 0.75 MOA - as I said, impressive. Round also looks good on paper; Not super fast, so running life should be good, but fast enough to get out of there. The standard barrel twist rate is suitable for long, heavy caliber bullets. The overall length of the cartridge is 2.995 inches, short enough to be chambered in short-action rifled actions that are slightly faster to drive and lighter. Normal bullet weights will suffice for any North American game except large bears. Recoil is moderate and with long-range ammunition the cartridge carries a velocity of 2000 fps beyond 800 yards. In the field of hunting, the west is emerging. While I don't want to brag about such things, I did the longest hunting shot of my life that evening with a 6.8 to a quarter bull moose. The bull fell into his lanes with a precise first round hit.
Will the 6.8 be immortalized as a West American hunting cartridge? Only time will tell, but in my opinion it has all the makings. Can it become a superstar like the 6.5 Creedmoor and the .30-06 Springfield? Possible, although only two hunting cartridges in history have ever developed this type of superpower, so it's unlikely. It could become an American standard like the .270 Winchester
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