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All About Guns The Green Machine

Is The Next Generation of Rifles Already Here? Has the next generation rifle already arrived? by STEVE ADELMANN

XM250

Designed for the XM5 and XM250 (above), the multi-component 6.8×51 mm round may prove to be the “next big thing” in rifle ammunition.

Most progress within the firearm industry is measured in small increments and spread over years or even decades. Since the early 20th century, advances in materials and manufacturing processes have yielded stronger actions, better barrels and more consistent ammunition that performs a whole host of specialized tasks very well. Likewise, operating-system tweaks and modular enhancements have marched steadily onward. On the accessory front, turning night into day has become affordable and the process of accurate ranging, wind reading and compensating is now less about skill than technological prowess.

But, monumental changes—the kind that affect firearm designs for longer than the average human’s lifespan—are relatively rare events. They also happen to be primarily ammo-driven. For example, flintlocks appeared in the 17th century and were the arm du jour for more than a century. The percussion-cap systems that replaced them in the 19th century bridged the gap to metallic-cartridge firearms a few short decades later. As the 20th century dawned, smokeless powder and centerfire, brass-cased cartridges had completed a transformation that endures to this day. If some of my contemporaries are right, the newest developments in cartridge-case technology represent a leap forward that will rival those trendsetters of previous centuries. 

The melding of different metals into cartridge cases dates back to the beginning of the metallic-cartridge era. In “The Book of Rifles,” W.H.B. Smith (1948) notes that the same British Army colonel who gave us the standard Boxer priming system developed a successful, hybrid case made of coiled brass with a soft-iron head. Chamber sealing was the problem being addressed by that mid-1800s design. Various ratios of copper, zinc and other elements were tried before the current recipe for cartridge brass was determined to be the “best-case” solution.

Aluminum cases date back at least to the development of the .30-40 Krag. In recent years, combinations of different metals and synthetic materials have been tested in hopes of finding something superior to standard cartridge brass. While reductions in weight and production cost have driven the majority of modern efforts, the quest to enhance rifle-cartridge performance is the impetus for the most notable advances.

As previously detailed in these pages, the Army’s Next Generation Squad Weapon (NGSW) efforts have resulted in multiple, unique 6.8 mm cartridge designs. Each of the companies involved has tried to develop a solution to the Army’s reported desire to penetrate modern, peer-level body armor far beyond close-combat ranges. The selections of SIG Sauer’s 6.8×51 mm hybrid-case ammunition, XM5 carbine and XM250 light machine gun as solutions have been met with both fanfare and skepticism. While the velocities that are reported for the 6.8×51 mm, and its .277 SIG Fury commercial counterpart, seem to generate the most excitement, this cartridge’s projectile energy is likely to be the main driver of the DOD’s interest. 

According to SIG’s published numbers, its hybrid steel-and-brass cartridge case allows chamber pressures to reach a whopping 80,000 psi. Subsequently, its 150-grain projectile is reported to leave a 16-inch barrel at 2,830 fps with 2,667 ft.-lbs. of muzzle energy. Running those numbers through a ballistic program shows that SIG’s loads should fly flatter and hit much harder than anything used in current battle rifle and light machine gun designs, including 7.62 NATO/.308 Win. loads, out past 1,000 meters. 

That’s impressive, but what does it mean for those of us who live, breathe and shoot at the pleasure of the commercial market? Nothing at the moment. However, if the performance of the .277 SIG Fury, and the durability of rifles firing this cartridge, bear out over the long term, we should see other, similar products come to market as well. The resulting ammo options could be serious game changers for anyone who wants to maximize the reach and projectile energy of their rifle(s).

For now though, several barriers stand in the way of any substantive commercial use of this technology. The initial problem is availability. As of this writing, only one .277 SIG Fury load is shown as in-stock with the maker, and it’s a conventional, full-brass-case design, not the hybrid-case scorcher. Likewise, barrels for retrofitting select bolt-action platforms and the main semi-auto that SIG plans to chamber in the cartridge appear to be in a sort of perpetual unicorn status.

Cost is another issue. The hybrid case version of this cartridge runs $4 per round. With DOD being the main customer right now and Lake City Arsenal reportedly still gearing up to fill the Army’s needs, I would not expect the ammunition situation to improve anytime soon.

Pushing a bullet faster so that it will fly flatter and hit harder is one thing. Doing it without rapidly burning out barrels or prematurely wearing out other parts has proven difficult with several past attempts to achieve game-changing muzzle velocities. My personal experiences parallel the historical record in showing that the Army’s small-arms-acquisition efforts often focus too much on reaching specific “milestones” and too little on solving problems that may pop up.

I’m going to be uncharacteristically optimistic on this point and assume the Army will ensure that this will not be a problem prior to fielding these new weapon systems. If that’s the case, our warfighters should be well-positioned to take advantage of all that the 6.8×51 mm cartridge has to offer. Conversely, if the DOD acquisition folks running these programs fumble again, the results could be catastrophic for the men and women who rely on their rifles and light machine guns for success.

One bit of reassurance on barrel wear concerns comes from a reliable source within SIG, who told me the special material technology used in their 6.8 barrels can hold up to this high pressure cartridge. However, that’s the extent of my information.

I hope that my reservations about the DOD’s new cartridge and small-arms solutions are proven unwarranted. I’d want to have the option of advancing my personal-rifle game with the same technology. However, previous letdowns have increased my usual wariness of hot new cartridges that are pitched as the rifleman’s answer to the laws of physics. 

SIG’s hybrid-case design has become Uncle Sam’s solution, but until we civilian shooters get our hands on the ammunition and rifles that use it, the verdict will be out on commercial viability. As with any significant leap in firearms evolution, the words of gunwriters, advertisers and military acquisition officers have little bearing on success. Only hard use over time will tell whether or not hybrid-case technology will markedly advance small-arms progression.

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Cops You have to be kidding, right!?!

Eviction battle leads to SWORD attack, fatal shooting in California By Bob D’Angelo

VALLEJO, Calif. — Two people were arrested on suspicion of murder in the death of a fellow squatter who was shot and killed by a California property owner, authorities said. The property owner was impaled by a sword during the confrontation.

“He came banging on my door with a sword sticking through him,” Patrick McMillan, a tenant who lives in a mobile home on the property, told the Chronicle. McMillan told the newspaper that Lind was his landlord and best friend.

The names of the suspects and the person who died were not released, KTVU reported. The Solano County District Attorney’s Office will determine whether to file formal murder charges, according to the television station.

One of the people shot, a 31-year-old Vallejo resident, died at the scene, according to the Chronicle. The other person, who is 27, was taken to an area hospital, along with Lind. Both were in critical condition, police said.

The confrontation apparently was the result of an eviction battle that had recently intensified, the newspaper reported. For years, Lind had been attempting to evict a group of people whom his family claimed were not paying the rent, KTVU reported. Lind had bought the property, placing 20-foot trailers and shipping containers on the land so he could rent them to people who were unable to afford the cost of housing in Vallejo, McMillan told the Chronicle. Lind also lived on the property.

McMillan told the newspaper that he believed deputies with the Solano County Sheriff’s Office were going to remove several people from the property on Tuesday, and that was what led to the incident.

“A big part of this problem was this moratorium on rent, COVID,” Lind’s son, Carl Lind, told KTVU. “People took advantage of it.”

The group that Curt Lind was attempting to evict lived in a cluster of trailer trucks, McMillan told the Chronicle. Initially, they paid rent but stopped paying during the pandemic.

“He had an agreement that they were going to fix up their vehicles, and then they were going to leave,” Curt Lind’s daughter, Dina Morrill, told the newspaper in a telephone interview on Wednesday.”

“The truth is, they jumped him,” Carl Lind told KTVU.

At some point, McMillan said the property owner opened fire with a gun.

“After they attacked him he got his gun out and shot two of them, killed one of them. The other one had three shots to the chest,” McMillan told the television station.

“(Lind) had a samurai sword stuck to his back with about a foot of it sticking out in front, his face cut up all over,” McMillan told KTVU.

Curt Lind was conscious but still in severe pain, Morrill said Wednesday. He also has a tube in his chest and numerous staples and stitches on his face and back, the Chronicle reported.

She has set up a GoFundMe page to assist with his medical bills.

“My dad always thinks the best of people, and unfortunately some people take advantage of that,” Morrill told the Chronicle. “What he thought was a good idea turned into a nightmare.”

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