This is a huge negative. When it comes to penetrating intermediate barriers impact velocity, projectile design, projectile weight, projectile diameter and sectional density all come into play. Minimizing the weight they carry is always a focus of procurement specialists, which also makes logistics more economical and efficient. Shooting the Soviet 7.62x25mm PPSh-41 Submachine Gun, How To Build a Glock From an 80 Percent Frame, World War II German Elefant Tank Destroyers. Recoil impulse is also significantly less than a .308 Winchester, allowing a rifleman to easily spot his own shots, while also decreasing his time between shots. TECH SPECS: CALIBER: 6mm ARC BARREL: 20”, 1:7.5 twist, 6mm ARC, MT 416SS, SBN MUZZLE: MUZZLE: SV Brake, threaded 5/8-24 All SLx optics undergo rigorous field-testing during development to best serve you in any environment.The Primary Arms 4-14x44 Front Focal Plane rifle scope features an optimized MOA reticle that stays true through the scope’s entire magnification range of 4x … They changed the magazine well dimensions, made it larger and optimized the magazine for the cartridge. Our enemies in the War on Terror have learned that they can escape the effective range of the 5.56 NATO round if they keep a 500- to 600-meter buffer, which isn’t difficult in the arid desert terrain of the Middle East or the jagged mountain ranges across Afghanistan. Troops will be able to engage the enemy in close quarters and engage threats with greater effectiveness out to 700 meters, and the cartridge doesn’t fall below subsonic velocities until beyond 1,000 meters. We are eager to revisit long-range shooting when we have a more consistent lot of ammunition on hand. These cropped up during Hornady’s initial testing. However, the .224 Valkyrie experienced feeding and reliability issues. Patrick Sweeney reviews the Leupold Freedom RDS optic with bullet drop compensator! The 6mm ARC doesn’t go subsonic until 1,100 to 1,200 yards when shot out of an 18-inch barrel, and 1,300 yards when fired from a 24-inch barrel. Advertised velocity of the 6mm ARC 108-grain ELD-Match load is 2,750 fps from a 24-inch barrel. The exterior ballistics look very good, it should be very accurate if the chamber/throat is properly designed. It’s maximum-effective range tops out near 800 yards. At 200 yards, groups averaged between 2 and 3½ inches. Economical 6mm ARC? This dictates the external dimensions of the magazine. Muzzle Devices 2-4 Weeks* *Wait times are just an estimate, as tools can break requiring replacement, extending our lead time by 6 to 8 weeks or more Necking down of the 6.5 CM allowed the base to be fitted with a .243 cal bullet and allowed a lower recoil producing round. This aids reliability. But no one wants to move away from the STANAG standard. However, the 6mm ARC will service the military and civilian shooters more often in AR-15-type rifles, meaning barrel lengths will likely be closer to 18 inches. If you are gun-savy and have a barrel vise, a 3/8" square drive torque wrench, "crow's foot" barrel nut wrench and barrel nut as well as the corresponding chambers’ Go gauge, you have everything you need to correctly install a barrel for your Tikka T3 rifle. Only you can decide that but, there are certain pros and cons to the 6mm ARC. CMMG says they will be adding 6mm ARC chambered options to both their 16-inch Resolute and 20-inch Endeavor rifle lines with an MSRP ranging from $1,049.95 to $1,799.95. It shares the thicker .059-inch rim of the 6.5mm Grendel which is significantly thicker than the .038-inch rim of the 5.56x45mm. A fourth shot was attempted that struck the bullseye, but opened the group up to 12 inches. All Firearms News subscribers now have digital access to their magazine content. What about for you? Fired from the same length 24-inch barrel, a .308 178-grain boat-tail hollow-point with comparable BC and a muzzle velocity of 2,600 fps goes subsonic just beyond 1,000 yards. Unfortunately, the 6 PPC, and other benchrest cartridges such as the 6 BR and 6 Dasher, are short-range wildcats for competition use. There is very little room between the two. The last of Germany's infamous Elefant tank destroyers. I reasonably believe that Ruger’s AR-556 is capable of half-minute accuracy when paired with the right load. We go behind closed doors at the factory to see how SIG Sauer's ammo is developed and... More and more people are choosing to carry a handgun for personal protection, here is why you... Second Amendment Foundation - August 22, 2020. The 6mm ARC will accept 108-grain bullets, as well as heavier ones such as 110s without the same magazine compatibility issue. The neck though has been moved back to facilitate loading the very long for caliber 6mm projectiles. Federal necked down a 6.8 SPC case to accept a .22-caliber bullet in 2017 to create the .224 Valkyrie. For military use the 6.5mm Grendel has four noteworthy shortcomings. The lighter 103-grain ELD-X bullet in Hornady’s Precision Hunter load increases that velocity in the same barrel slightly to 2,800 fps. Subscriber Services. The new Hornady 6mm Advanced Rifle Cartridge, or ARC, is based off another very popular design, the 6.5mm Grendel. Though I believe 100-yard accuracy out of a gas gun will average between .75 and 1.25 inches for most, I see the 6mm ARC delivering half-minute groups from a small bolt-action given a sweet barrel. With many possibilities to choose from including the popular free floating handguard, you will find just what you need to help give you more control when using your rifle and get the most accuracy. During a separate test using LabRadar, Tom Beckstrand recorded a velocity of 2,698 fps out of a Seekins Precision DMR with a 20-inch barrel while shooting the 108-grain Match load. But all this can change over time. SAF, Defense Distributed Win Court Victory in 3D Gun Case, Ballistic Gel Bullet Testing — What You Need To Know. What about compared to the .308 Winchester? This "Universal caliber" had always been a Holy Grail for which many have sought but none had found. The 6 ARC is built on a necked-down Grendel case, but the shoulder of the case has been pulled back .0030 inch. We attributed this to the ammunition’s inconsistent velocity observed earlier. like new.great RARE CUSTOM SHOP BARREL.--210 602... (read more) Gun #: 918239214 Tikka T3 Pre-Fit Barrels. Adopted over 30 years ago, China's 5.8x42mm Universal cartridge was developed to be a one... New from Winchester Ammunition is Wildcat Super Speed .22 LR ammunition featuring a copper... Give a Gift
However, the M118LR OTM puts a much larger and heavier payload on target and has significantly more retained energy. 6988 Thompson Contender Encore 416 Rigby BARREL, 26 inch barrel, CUSTOM SHOP,ported,99% condition. The SAAMI chart indicates that the muzzle velocity is 2,700 fps, while Hornady produced 2,750 fps out of a 24-inch barrel. Will Dabbs gives a rundown on how to limit the magazine capacity in your Citadel Boss 25 to stay in compliance with hunting laws. Usually four rounds would be tight with a fifth flyer elsewhere on the target. It’s a proven performer in the field which puts a larger diameter and heavier bullet on target. According to statements from Hornady, a DoD entity requested a cartridge with certain capabilities. The Ruger AR-556 featured a wonderful sub-4-pound trigger and an 18-inch cold-hammer-forged (CHF) barrel. However, we must not forget that the weight penalty of carrying these heavier guns and a combat load of ammo is a burden on our troops. Based on their test results the Chinese came to the final conclusion that the 5.8mm best fit their needs. For example, the 6.5 Creedmoor is the most popular rifle cartridge sold commercially and is easily capable of ranges beyond 600 meters. The recoil impulse of the 6.5mm Grendel is actually heavier than that of the 7.62x39mm. Each Aero Precision 6mm ARC Complete Upper Receiver features a M4E1 Receiver with Atlas R-One 15 Inch Handgaurd. The 6.8 SPC was an improvement over the 5.56 NATO developed in 2002, and was introduced to SAAMI by Remington. With such non-standard wildcats, dimensions vary. Unexpectedly, the 103-grain ELD-X hunting load shot tighter groups than the ELD-M! SAKO and Lapua introduced it to the U.S. as the .220 Russian in 1965. Read More On: Ammunition Guns & Ammo’s first sample rifle chambered in 6mm ARC was a Ruger AR-556 MPR with an 18-inch barrel. Magazine issues are the only real drawback to the 6.5mm Grendel and the 6mm ARC will have similar issues. The 6.5mm Grendel never took off until Wolf Performance Ammunition introduced economical steel case ammunition. This means their diameter and overall length are dictated by the confines of the dimensions of a STANAG magazine. This means you have the option to read your magazine on most popular phones and tablets. Switching to a more modern projectile, such as Sierra’s 175-grain Tipped MatchKing, with its higher G1 BC, tips the scales and puts the two on fairly even ground when it comes to external ballistics. The BC for this bullet is .536 (G1) and .270 (G7), so it has the potential to maintain energy, velocity and wind resistance at long distance very well. A higher velocity, smaller diameter projectile with greater sectional density will have an edge. Despite our previous experiences testing Hornady Match ammunition, the LabRadar measured an extreme spread (ES) of 63 fps and a standard deviation (SD) of 19.6 for 10 rounds, twice the variance we expect. The light recoil will allow you to spot your shots, while the high BC projectiles will provide an edge over lessor cartridges. All Rights Reserved. The best group was fired by Oller and measured .46 inch, while my best was .52 inch. Shoulder angle has also been tweaked. Since its introduction, the 6mm ARC has benefited from a lot of marketing and conversation. It also offers advantages over both the .22 Nosler and .224 Valkyrie. Complete with BCG HAND GUARD: CMMG RML15 M-Lok hand guard FINISH: Hard Coat Anodized Receiver and Hand Guard (Can be … The 6mm ARC looks extremely promising, so much so that we’ve already ordered several other rifles and additional loads for testing. All of these points increase a soldier’s survivability on the modern battlefield. Ruger selected a 1:7.7-inch twist rate for the 6mm ARC, the same as used in their barrels chambered for 6mm Creedmoor. But if we look a bit deeper at the Chinese Peoples Liberation Army’s research and studies leading up to the development of their 5.8x42mm cartridge we find some interesting information. 6.5mm Grendel ammunition weighs about the same as 7.62x39mm. Regardless of platform, I’m willing to bet that the 6mm ARC will soon be formidable competition between 400 and 800 yards versus other cartridges. I own an Alexander Arms DMR rifle in 6.5 Grendel and regularly see velocities using this bullet average 2,465 fps. Federal Custom Shop cartridge options now include 243 Win, 257 Roberts +P, 257 Weatherby, 6.5... Eric Poole takes a first look at Hornady's 6mm ARC, which has already been adopted by the U.S.... Speer is now offering the performance of its Gold Dot Handgun ammunition for self-defense... Give a Gift
The 6mm ARC’s more efficient projectiles with their high BCs provides superior exterior ballistics with noticeably less wind drift, higher retained velocity and greater retained energy. Still, the Ruger shot well and Oller continued to impress at 500 and 1,000 yards. In fact, the 6mm ARC is based on a 6.5 Grendel case, but there are differences. It puts a heavier and larger diameter payload on target than either of these. It is also why I compared the 6mm ARC to the 5.56x45mm 77-grain Mk 262 Mod 1 and 7.62x51mm 175-grain M118LR loads. Small quantities were fielded in Afghanistan and it is currently the standard DMR cartridge of Serbia. This occurred before the existence of the cartridge was made public. As the 6mm ARC is a dramatically smaller cartridge than the .308 Winchester at first glance you wouldn’t think there would be any comparison at all, and in some respects there isn’t. Depends upon what you are going to use it for. It depends upon what your needs are. There is still a lot of testing we need to complete, but our first look has everyone involved excited. On the flip side, it is significantly less than a .308 Winchesters. Hornady is launching the new cartridge with three loads. The 6mm Advanced Rifle Cartridge (6 ARC) by Hornady is a new cartridge that can fire a sleek 6mm (.243) caliber projectile around 2,700 fps with minimal recoil and the 6mm ARC is short enough to fit within the dimensions of a standard AR-15 magazine and it performs very well out of an AR-15 with an 18 inch barrel … That would be a recipe for success. After extensive calculations they concluded that the ideal caliber would be 5.8mm, 6mm, or 6.2mm. The Fifth U.S. When it comes to external ballistics, the 6mm ARC 108-grain ELD-Match load will outperform a traditional 175-grain M118LR OTM load when it comes to wind drift and drop while retaining velocity better. These are readily available and of known quality. So, the weapon system is smaller and lighter, more maneuverable and less fatiguing to carry. For ringing steel at distance, I’d lean towards the 6mm ARC. This was a carefully kept secret as the cartridge had been developed, standardized and adopted by a notable unit within the Special Operations community. SLx optics built our reputation for innovation, reliability and value. The use of the 6.5mm Grendel base cartridge dictates the internal dimensions of the magazine. It shares the same .441-inch diameter casehead with the 6.5mm Grendel as well as the .220 Russian and 7.62x39mm. Why wasn’t the .220 Russian or 6 PPC selected? The first in this new family of Springfield Armory rifles is the Model 2020 Waypoint, the... Trijicon has dominated the Carry Optic landscape on hard-use handguns for years. So, the cartridge was not originally conceived for competition or hunting. China's 5.8x42mm Rifle Cartridge - How Good Is It? As you delve deeper into the cartridge, this begins to become obvious. For comparison, my Alexander Arms DMR in 6.5 Grendel with same-length barrel uses almost the same come-ups at 500 yards, but required a total of 45.76 MOA (13.31 MRAD) to touch steel at 1,000. Former U.S. Navy SEAL Jeff Gonzales, president of Trident Concepts, joins G&A contributor Kimberly Heath-Chudwin to discuss guns, training and gear, including Blackhawk's TecGrip holster that can make pocket carry more successful. 6mm Advanced Rifle Cartridge Background. The only real issue I see is the dimensions of the AR-15 magazine well. The 6mm ARC was developed around a 108-grain bullet, specifically Hornady’s Match ELD-M. Plus for more information visit www.Hornady.com. The 6mm ARC has the potential be a very accurate cartridge. Though the 6.8 achieved better terminal ballistics at close-quarter distances than the 5.56 NATO, it was never effective out to 1,000 yards. |
Noting the advantages of the small, high velocity 5.56x45mm cartridge used by US forces, the Chinese began extensive research and theoretical studies based on their combat observations of the war in Vietnam. How does the 6 ARC best the 6.8 SPC or 6.8 SPC II? DetailsThis rifle scope is part of our SLx optics line. When it comes to terminal performance the M118LR will also have an advantage at practical ranges. They then designed a vast assortment of prototype cartridges for use in comparison testing. How do these stack up compared to a 5.56x45mm Mk 262 Mod 1 77-grain OTM? The blueprinted and precisely machined action allows Springfield to offer the Model 2020 with .75" MOA accuracy guarantee. Here my crystal ball is foggy. Designed for superior long-range accuracy, the ENDEAVOR line features a 20-inch barrel so that you can squeeze out every drop of ballistic performance from this exciting new caliber. This is especially true during the colder months when heavy outer garments can obstruct access to a traditional waistline holster. Pocket carry, as a method of concealed carry for a defensive firearm, can be a practical option when done right. He added, “The 6.5 Grendel bolt face doesn’t have as much mass beneath the lugs, which means the two lugs flanking the extractor are going to be vulnerable to breakage if you hot-rod the cartridge.” The max pressure that SAAMI has set for the 6mm ARC will ensure that rifles and components last. In my opinion, for any cartridge intended for use in a semi-automatic platform to become hugely successful it requires one critical component, inexpensive ammunition. Cut the barrel back on the 6mm ARC and velocity will indeed drop, but the same is true of the .308 Winchester. I have always stated this is what the 6.5mm Grendel needs. It is not simply a necked down Grendel though, rather the engineers at Hornady made some changes to the case design to optimize it for their needs. You can expect the barrel life of the 6 ARC to last 5,000 rounds (similar to a 7.62 NATO), in part because it’s burning less powder. |
It is not limited to use in an AR-15 either, and would work well in a micro-action bolt gun. This makes sense as the Grendel’s velocity is relatively modest at around 2,550 to 2,600 fps and the projectile is larger in diameter with less sectional density compared to a modern 6mm. It is optimized for use with the Sturmgewehr 90 service rifle, both which were adopted in 1987. The 6mm Creedmoor is nearly identical to the 6.5 CM which we have reviewed and compared to the .243 Win in a previous article. Plus, the velocity of the Creedmoors are faster, which means they have a shorter barrel life than the 6mm ARC. So, compared to the 5.56x45mm the Grendel’s heavier recoil impulse is also a negative. Each rifle ships with one 10-round magazine. To get started, click the link below to visit mymagnow.com and learn how to access your digital magazine.
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