Hornady recently unveiled a variety of new products for 2023. There are new ammo and bullet types, new firearms storage products, a new ammo storage locker, and an impressive new Precision Lab Scale with a 0.01 grain readout and hi/lo sensitivity settings. Among Hornady’s new ammo products, the new 7mm PRC is the most notable. This new 7mm magnum cartridge will initially be offered with three bullet types: 160gr CX Outfitter, 175gr ELD-X Precision Hunter, and 180gr ELD Match.
The new ammunition, bullet, reloading and security products will be available from stocking dealers, major retail sporting goods stores and their websites.
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In June 2020, Hornady introduced the 6mm ARC, a new SAAMI cartridge optimized for AR-platform rifles*. The new 6mm ARC is basically a 6.5 Grendel necked down to 6mm, with the shoulder moved back around .030″. That pushed-back shoulder does reduce case capacity (and velocity), but we assume Hornady did that to create a shorter, proprietary chamber so people could not simply neck-down Lapua 6.5 Grendel brass, as has been done for years with Robert Whitley’s outstanding 6mm AR wildcat.
What Is the 6mm ARC Cartridge? The 6mm ARC cartridge is a new SAAMI-spec cartridge based on the 6.5 Grendel case necked down for 6mm bullets, with the shoulder moved back 0.030. Yes it is designed to run in AR15-platform rifles. You’ll need a new barrel, bolt, and mags. If you already have an AR chambered in 6.5 Grendel, the ONLY thing you need to change is the barrel. Everything else — bolt, magazines, gas system – is compatible with 6mm ARC.
▶ Official SAAMI Cartridge (not wildcat)
▶ Fits standard AR15-platform rifles
▶ Fits Short/Mini action bolt rifles
▶ Efficient short, fat case design
▶ 30-degree case shoulder
What Do I Need To Shoot the 6mm ARC?
Faxon and Ballistic Advantage are already producing barrels, with more manufacturers sure to follow. All the other required components are already on the market for 6.5 Grendel rifles. Aero Precision already offers complete 6mm ARC uppers.
If you’re converting a standard 5.56×45 mm (.223 Rem) AR15 upper to shoot 6mm ARC, you’ll need a 6mm barrel, a Type II 6.5 Grendel bolt carrier group, and new magazines. Some folks have suggested standard AR mags will work, but trust us, you want the magazines that have been designed for 6.5 Grendel. All the hardware you need is currently available at Brownells.
* While 6-6.5 Grendel shooters are known to run stout pressures, the new 6mm ARC cartridge has a relatively moderate Maximum Average Pressure (MAP) rating of 52,000 psi according to the official SAAMI specifications. For a variety of reasons, is wise to keep pressures in a semi-auto rifle moderate. Don’t chase the velocities you might get in a bolt-action gun.
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If you are considering purchasing a progressive reloading press — you’ve struck gold. Today’s Saturday at the Movies article showcases the most comprehensive video ever created about progressive presses. Hosted by Gavin Gear of UltimateReloader.com, this remarkable 79-minute video covers a dozen presses from six leading manufacturers: Dillon, Frankford Arsenal, Hornady, Lee, Mark 7 (Lyman), and RCBS.
Set aside plenty of time, because there is a wealth of information — the “mother lode” of progressive press coverage. Along with the big comparison video, Gavin has prepared a detailed, 17-page online article which covers all of the presses in the shootout. This 17-page article also includes many product-specific videos. We link to five of these videos below.
12 Progressive Presses are compared in this comprehensive video:
Here it is! Ultimate Reloader’s long-awaited Progressive Press Shootout. This online article and accompanying video represent the most exhaustive and most in-depth look at progressive press reloading equipment. The Ultimate Reloader Progressive Shootout covers a dozen different progressives from Dillon, Frankford Arsenal, Hornady, Mark 7 (Lyman), and RCBS. Reviewer Gavin Gear demonstrates how each press works and provides data on costs, output rates, capabilities, and accessories so that potential buyers can make informed purchasing decisions.
MORE INFO — Progressive Press Shootout Online Article
To accompany the remarkable 79-minute Progressive Press Shootout Video, Gavin Gear has posted a ton of information on his UltimateReloader.com website. A lengthy online article provides detailed information on the particular presses, press mounts, and lighting, as well as general details such as cost of ownership. We provide links to particular topics below. This is a GREAT RESOURCE — it’s like getting an entire chapter of a technical book all for FREE!
Below we provide links to each product-specific online page, along with the corresponding time-link to the related segment of the 79-minute Progressive Shootout video.
NOTE: Along with the presses featured in these six videos, the Ultimate Reloader Progressive Press Comparison video covers six other presses (12 total), in a comprehensive 1 hour 19 minute video linked at the top of this article.
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We have all been there — you place a piece of tumbled brass in the shell-holder of your press, raise it into the die, and suddenly it is like somebody hit the brakes. The case is stuck in the die. Your first instinct is to reverse it out. You crank on the handle, and BANG! The rim rips off the case head and you are looking at a piece of brass stuck in the die.
A stuck case is one of the boo-boos that all of us reloaders have faced from time to time. If proper lubrication is applied, then it should not be a problem. No matter if you are a seasoned reloader or new to it, this situation can happen. Take your time, use the proper procedures, and you will be back in business in no time! This article explains how to avoid stuck cases (through proper lubrication) and how to use a stuck case removal system.
What Causes Stuck Cases
One of the first common mistakes reloaders face is the stuck case. It can be caused by too much or too little lube. Too much and a vacuum can be formed causing the case to become suctioned into the die. Too little lube and friction is the culprit. So what is the cure? There is no exact cure, but the best lube that we have found so far is just a dab of Imperial Sizing Die Wax on your fingers and applied in a thin coat on the body of the case, not the shoulder or neck. Too much of this wax can cause the vacuum effect, or can eventually load your die up with gobs of residue. If it is applied to the shoulder area, or the leftover wax moves up into the shoulder region of the die, you will see dents or dimples in the shoulder. [AccurateShooter.com Editor’s Note: For normal full-length sizing of small cases such as 220 Russian/PPC, 6mmBR, 6.5 Grendel, or 6.5×47 Lapua we recommend Ballistol (aerosol) lube. It is very slippery, goes on very thin, and does not gum up the die.]
A great way to ensure that your dies are clean is to use a simple chamber mop with a dab of your favorite solvent on it and clean out the die. Be sure all of the solvent is out after cleaning by spraying the die out with Quickscrub III or use a clean chamber mop. If you are storing your dies, you can apply a thin coat of a good oil to protect the steel such as TM oil or Starrett M1 Spray.
This video shows how to use an RCBS Stuck Case Removal Kit:
Using a Stuck Case Removal Kit
If you do stick a case in your die there are a few good stuck case removal kits available. Each one works in a similar fashion. I have found the Hornady kit very effective and easy to use. [Editor: Forster, Lyman, and RCBS also make good kits for removing a case stuck in a die.]
Basically what you do is remove the die from the press. Unscrew the decapping assembly and pull it out as far as you can. You then need to drill/tap threads into the stuck case head (this is why it is suggested to unscrew the decapping assembly as far as you can to get it clear of the drill bits). Once this is done screw the die back into the press. You then install the included shellholder attachment on the shellholder ram, and thread it into the case via a small wrench. With some elbow grease you can reverse the stuck case out of the die with the leverage of the press, and not damage the die.
However if the case is stuck… REALLY stuck, you may pull out the threads on the case and you are still left with a stuck case in the die without any way to pull it out. If the case is really difficult to remove even with the use of a stuck case removal kit, do not try to be Hercules with the press ram. Here is a trick that may work. Take the die with the stuck case and place it in your freezer for a couple of hours. Then repeat the removal with the cold die. The freezing temperatures may cause the brass to contract, and make removal easier. If this does not work it is recommended to send it to the die manufacturer. They will be able to remove the case without damaging the die.
Another fix if you can remove the decapping assembly completely is to use a tap hammer and a punch or small wooden dowel to knock the stuck case out. This isn’t the best way since it is very possible that you will damage the die internally or externally on the threads, or both. Send the die to the manufacturer to have this done properly. You will be happier in the long run.
This article appears courtesy Sinclair International. It first appeared in Sinclair’s Reloading Press Blog.
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Shooting USA will broadcast a fun episode today, February 9, 2022. Today’s show covers Hornady’s Zombies in the Heartland multi-gun match. This popular event, hosted in Nebraska, is one of the biggest three-gun shoots in the nation. After cancellation in 2020 due to COVID, the match returned in June 2021. The Zombies in the Heartland 2021 Match attracted 300 shooters from 20 different states.
SHOW TIMES: This Shooting USA Episode airs Wednesday, February 9, 2022 at 9:00 PM Eastern and Pacific; 8:00 PM Central. If you miss the regular broadcast, you can stream the show at any time on Vimeo for $0.99 per episode.
The 10-stage 3-gun match was fun and challenging. Reactive zombie targets kept shooters engaged and entertained. Participants shot from a suspended motorcycle, through a burned-out auto yard, and while sitting in a parked pickup truck where shooters were required to turn the wheel to see targets.
Zombies in the Heartland on Shooting USA TV
Pandemic: Zombies in the Heartland
Every year Hornady hosts the very popular Zombies in the Heartland event. This “Pandemic” 3-Gun fun match, one of the biggest three-gun shoots in the nation, took place in June 2021 at the Heartland Public Shooting Park in Grand Island, Nebraska. It was great to see the match return after cancellation in 2020. The Pandemic featured a rich prize table worth over $150,000. Prizes include pistols, rifles, shotguns, scopes, AR uppers, gun parts, and gear of all kinds.
The Pandemic is a veritable theme park for shootists, with many fun stages and innovative targets. Many unique, reactive zombie targets have been developed specifically for this match. The use of paper targets has been minimized — so it’s mostly “bang and clang”.
There were ten multi-gun stages this past year. Rifles, pistols and shotguns are used on most stages. There were also fun side-matches. We highly recommend you watch the video below to see highlights from a past Pandemic.
Zombies in the Heartland Highlights Video. Guys, this well-made video is WORTH WATCHING! This video offers Shooter’s POV views of many stages including full auto:
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The Hornady Handbook of Cartridge Reloading is now available in Mobile App form. Hornady has released FREE Mobile Apps for Android and iOS (Apple) Mobile Devices. You get a lot of information for free. However, most of the actual load data is surcharged. You can buy all current load data for $19.99, or use the “à la carte” option to purchase load data for 99 cents each per cartridge type.
For example, if you wanted .223 Rem, .284 Win, .308 Win, you’d pay $2.97 (3 x $0.99). Frankly, we’d just use the FREE information available from the Hodgdon and Vihtavuori online Reloading Centers. But we understand some folks will prefer the convenience of an App with a wide variety of powder brands all in one place. Hornady’s full data collection covers hundreds of cartridges — .17 Hornet to 50 BMG (for rifle) and .22 Hornet to .500 S&W (for pistol). Folks say the App is easy to navigate and simple to use. For more information, visit Hornady.com/reloadingapp.
What you get for free — Included with the FREE APP are hundreds of pages of reloading information including rifle and handgun bullet guides, the basics of reloading, tips and techniques plus limited free data on newer cartridge releases such as .224 Valkyrie, 6mm Creedmoor, 6.5 PRC, 300 PRC and more.
The App features over 200 cartridge types with a variety of loads using Hornady bullets, including A-Tip Match, ELD Match and ELD-X. Velocity and powder charts are included with each cartridge for easy reference. The database includes popular established powders plus new powders such as Power Pro 2000 MR, IMR 4451 and 7977, CFE Pistol, BE-86, Reloder 23, 26, 33 and 50, Accurate LT-30 and 32. Popular powders such as Reloder 17, Superformance, and LeverEvolution® have also been expanded.
Included with the free download are hundreds of pages of reloading information, bullet guides, tips and techniques plus limited free data on recent offerings such as 6mm Creedmoor, 6.5 PRC, and 300 PRC. Beyond that, reloaders must pay for load data on particular cartridges. Reloading data is available for download in three ways: Á la carte ($0.99 per cartridge type), Full Data Purchase for App ($19.99), or Annual Subscription ($19.99/year recurring).
Subscription Option — If you pay $19.99 per year you get full access to Hornady Handbook of Cartridge Reloading 11th Edition data, plus new data Hornady develops for the 12th Edition. You’ll receive App notifications of the new data as Hornady releases it.
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Hornady’s 6mm ARC cartridge will be featured on tomorrow’s Shooting USA broadcast. Optimized for the AR-15 platform, the 6mm ARC (Advanced Rifle Cartridge) was developed in response to a request from the Department of Defense, according to Hornady Marketing Director, Neil Davies: “The DOD guys wanted a platform built that would give them all of the advantages of the .308 [7.62×51] and try to get rid of some of the disadvantages, [such as the heavier] weight of the entire system. So they went from an AR-10 system to an AR-15 system. But they also wanted to engage targets, not just across the street or inside a room, but maybe across a valley.”
SHOW TIMES: This Shooting USA Episode airs Wednesday, June 30, 2021 at 9:00 PM Eastern and Pacific; 8:00 PM Central. If you miss the regular broadcast, you can stream the show at any time on Vimeo for $0.99 per episode.
In June 2020, Hornady introduced the 6mm ARC, a new SAAMI cartridge optimized for AR-platform rifles*. The new 6mm ARC is basically a 6.5 Grendel necked down to 6mm, with the shoulder moved back around .030″. That pushed-back shoulder does reduce case capacity (and velocity), but we assume Hornady did that to create a shorter, proprietary chamber so people could not simply neck-down Lapua 6.5 Grendel brass, as has been done for years with Robert Whitley’s outstanding 6mm AR wildcat.
What Is the 6mm ARC Cartridge? The 6mm ARC cartridge is a new SAAMI-spec cartridge based on the 6.5 Grendel case necked down for 6mm bullets, with the shoulder moved back 0.030. Yes it is designed to run in AR15-platform rifles. You’ll need a new barrel, bolt, and mags. If you already have an AR chambered in 6.5 Grendel, the ONLY thing you need to change is the barrel. Everything else — bolt, magazines, gas system – is compatible with 6mm ARC.
▶ Official SAAMI Cartridge (not wildcat)
▶ Fits standard AR15-platform rifles
▶ Fits Short/Mini action bolt rifles
▶ Efficient short, fat case design
▶ 30-degree case shoulder
What Do I Need To Shoot the 6mm ARC?
Faxon and Ballistic Advantage are already producing barrels, with more manufacturers sure to follow. All the other required components are already on the market for 6.5 Grendel rifles. Aero Precision already offers complete 6mm ARC uppers.
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Hornady’s 2021 Zombies in the Heartland 3-Gun Match
Nearly 400 zombie hunters armed with handguns, shotguns, and rifles converged in Grand Island, Nebraska, June 4-6, 2021 to battle the “undead” during the 9th Annual, Zombies in the Heartland 3-Gun Match hosted by Hornady and the Heartland Public Shooting Park.
Shooters from 20 different states tested their talent in the 10-stage match. Specially developed reactive zombie targets kept shooters engaged and entertained. Participants shot from a suspended motorcycle, through a burned-out auto yard, and while sitting in a parked pickup truck where shooters were required to turn the wheel to see targets.
The top shooters in each class were:
Open: Jon Wiedell, 1st overall
Tactical: Riley Kropff, 2nd overall
Amateur: Jeremiah Ochsner
PCC: Kelly Neal
Lady: Dakota Overland
Junior: Logan Toland
Senior: Tony Holmes
Super Senior: Jerry Miculek, 3rd overall
“We look forward to this match every year,” said Jeremy Millard, Hornady Engineer and Match Director. “Competitors from many different states travel to this match because they enjoy the environment, stages and camaraderie,” Millard added.
“The Zombie Match would simply not be possible without the help of our amazing volunteers” said Steve Hornady, President. “In addition, all of the sponsors that donate to this match – thank you. We had a prize table valued at $130,000 this year, that’s incredible,” Hornady added.
Zombies in the Heartland Highlights Video. This well-made 2017 video is worth watching! This video offers Shooter’s POV views of many stages including full auto:
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The official SHOT Show in Las Vegas has been cancelled this year, due to the COVID Pandemic. But there WILL be a way you can preview new-for-2021 guns and gear. Brownells will host a 5-day virtual event called the “NOT-SHOW”. Slated for January 18-22, 2021, the NOT-SHOW will feature new product introductions and special discounts on a wide variety of merchandise (not just the new releases). In addition the upcoming Brownells NOT-SHOW will have Daily Product Giveaways from January 18-22, 2021.
The Brownells NOT-SHOW has five main sponsors: AeroPrecision, CMC Triggers, Hornady, Stag Arms, and Magpul. New products from these five companies will be showcased in the NOT-SHOW event, along with a many other companies’ offerings. There will be a wide variety of products featured, including optics, reloading tools, and more. But expect special deals on items from the five primary NOT-SHOW sponsors.
Featured Products from Magpul
Everyone knows that Magpul makes excellent rifle magazines for ARs, as well as AICS-type mags for bolt guns. But Magpul also produces many other quality product including rifle stocks, AR buttstocks, bipods, rifle sights, pistol mags, and sling accessories. Here are some of our favorite Magpul products at Brownells. Many Magpul items will be discounted during the NOT-SHOW event, running January 18-22, 2021.
New from Hornady for 2021
Hornady will have a number of new products for 2021. These include new RFID gunvaults, two new reloading scales, and new 6mm ARC hunting ammunition loaded with 103gr ELD-X bullets.
New from Stag Arms — AR15 and AR10 Deluxe Uppers
Along with its current AR-platform upper receivers, stripped lowers, and complete Stag-15 M4-type rifles, Stag Arms will introduce a new line of deluxe AR15 and AR10 platform complete uppers. These will feature high-quality barrels and handguards. Available chamberings will include .223 Rem/5.56, 6.5 Creedmoor, 6.8 SPC, .300 Blackout, .308 Win.
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Jason Hornady, V.P. of Hornady Ammunition Manufacturing, has a message for ammunition buyers about the shortage of ammo on retail shelves. He begins by stating that: “We understand there is, certainly, an ‘over-demand’ right now on ammunition availability.” That’s to put it mildly. An executive of Vista Outdoor recently explained that with 7 million new gun owners in 2020, if they all purchase just two 50-round boxes of ammo each, that represents 700,000,000 rounds of additional demand.
Jason assures customers that there are no hidden storage facilities, and there have been no government orders to halt production. In fact, Hornady is producing more ammunition than ever before, and the ammo is going straight from the production line out to vendors.
“We promise we are shipping everything we can. The stuff that goes out today was literally put in a box yesterday.” And Hornady’s factories are running at full capacity — “We’ve made one-third more [ammunition] than we did last year.”
Jason Hornady added: “In March, we were up 86 percent and that did it — the inventory was gone. We literally emptied our building. Since then, the sales increase is back to 15 percent a month because that’s all we can manage. Literally, we make it one day and ship it the next.”
Jason concluded: “We are shipping and doing everything we can to get product out the door. We appreciate you as a customer and we appreciate your patience.”
Founded in 1949, Hornady Manufacturing Company is a family-owned business headquartered in Grand Island, Nebraska. It proudly manufactures products “Made in the USA” by over 300 employees.
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Election Day is just 52 days away. On November 3, 2020, Americans will head to the polls. For gun owners, this may be the most significant Presidential election in a generation. The Democratic Party, as stated in the DNC platform and Democrat-sponsored Bills now in Congress, intends to severely restrict gun rights, require a federal license for gun ownership, ban online ammo sales, and ban whole classes of firearms.
Nearly 5 million Americans are first-time gun buyers. We hope they, along with ALL gun owners, will vote on November 3rd, and remember which candidates support the Second Amendment. As the National Shooting Sports Foundation (NSSF) states: “Current events across the United States demonstrate why the Founding Fathers 230 years ago had the foresight to recognize why the right to keep and bear arms would still be vital today.”
Target shooters, hunters, and gun owners must work together to defend their Constitutional rights. On Election Day 2020, vote to protect America’s firearms freedoms: #GUNVOTE.
Hornady Contributes $500,000 to 2020 #GUNVOTE Effort
#GUNVOTE is a vital NSSF campaign to encourage America’s gun owners to register to vote and vote for candidates who support the Second Amendment and gun rights. Go to Action.gunvote.org to learn how to register to vote in your state, and find your polling place.
Hornady Manufacturing, maker of ammunition, tools, and reloading components, has contributed $500,000 to the NSSF’s #GUNVOTE voter registration and education campaign.
“A historic number of Americans have jumped off the fence to purchase firearms so far this year, and it’s critical for gun owners old and new to be educated and vote in November,” said Steve Hornady, President of Hornady Manufacturing. “The Second Amendment has never faced a threat like it does today. It is crystal clear why our right to keep and bear arms is now more important than ever. Making this contribution to NSSF’s #GUNVOTE campaign will ensure the firearm and ammunition industry has the resources needed to educate gun owners, target shooters and hunters about what is at stake in this election. Hornady Manufacturing is proud to support this critical voter registration, education and mobilization campaign.”
SIG Sauer Contributes $250,000 to 2020 #GUNVOTE Effort
SIG Sauer, a world-leading firearms maker, has contributed $250,000 to NSSF’s #GUNVOTE voter registration and education campaign. This campaign seeks ensure that America’s gun owners exercise their right to vote so they can protect the Second Amendment.
“SIG Sauer believes it is imperative for all gun owners to be registered to vote and to know where the candidates at all levels of government stand on the Second Amendment so that on election day they can make informed choices to protect their rights”, said SIG Sauer CEO Ron Cohen. “Our contribution to the #GUNVOTE campaign represents SIG Sauer’s wholehearted belief in the NSSF #GUNVOTE effort”.
With the Presidential election looming, the stakes have never been higher. Joe Biden and his VP candidate Kamala Harris have pledged to enact new laws that could result in rifle confiscation, criminalization of private sales, and banning of online guns and ammo purchases. In addition, Biden and Harris have called for new gun taxes, while Harris has advocated banning guns by Executive Action — rule by fiat, bypassing the legislative process.
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The inaugural Hornady Precision Hunter Steel Challenge took place in Colorado August 8 and 9. This unique competition involved lots of hiking with various shooting positions in challenging natural terrain. The unique match was hosted at the Cameo Shooting Complex near Grand Junction, CO.
There were 135 registered competitors — quite a turn-out for a physically demanding match in a fairly remote location. Congrats to Heavy Class and Overall Winner Brian Black who topped the field with 140 Match points (100% of possible). Brian shot a 6.5×47 Lapua with Berger 6.5mm 140gr Hybrids. Brian’s winning rig featured a Lone Peak Arms Fuzion action, Benchmark barrel, and XLR Element chassis. Behind Brian was Serger Ducourneau in second with 134 points (95.71%). Eric Anderson finished third overall with 129 points (92.14%).
Overall and Heavy Class winner Brian Black (center) with trophy.
The Hornady Precision Hunter Steel Challenge tests a rifleman’s fitness and skills as marksman and hunter. The stages were blind with a 4-minute time limit to move to the shooting area, locate, range, and engage targets. Shooters could choose between two rifle weight classes (light or heavy) and had to meet a minimum power factor cartridge requirement that helped even the playing field. The match featured a diverse course of fire with a good mix of prone and natural terrain shooting positions. Look at the images — this was no ordinary shooting match, and natural terrain features were employed much more than at any PRS match.
Hornady wanted to thank Match Director, Scott Satterlee, the Cameo Shooting Complex and all of the volunteers and sponsors that made this match possible.
If you wonder how ammo is made, starting with raw metal, check out this video from Hornady. It shows how bullet jackets are formed from copper, followed by insertion of a lead core. The jacket is then closed up over the core with the bullet taking its final shape in a die (a cannelure is applied on some bullet types). Next the video shows how cartridge brass is formed, starting with small cups of brass. The last part of the video shows how cases are primed and filled with powder, and how bullets are seated into the cases, using an automated process on a giant assembly-line. CLICK Link below to watch video:
Hornady’s New 150,000-sq-ft Ammo Production Center
In 2018, Hornady opened a new, state-of-the-art factory. The 150,000-sq-ft Hornady West Facility, featured in the video below, handles ammunition production and product distribution — Hornady produces millions of rounds annually. Hornady cartridge brass and bullets will continue to be produced at Hornady’s 100,000+ square foot factory in Grand Island, Nebraska. The Grand Island factory is open for tours Monday through Thursday. Hornady Manufacturing was founded by Joyce Hornady in 1949, so 2019 marked the company’s 70th anniversary.
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In June 2020, Hornady introduced the 6mm ARC, a new SAAMI cartridge optimized for AR-platform rifles*. The new 6mm ARC is basically a 6.5 Grendel necked down to 6mm, with the shoulder moved back around .030″. That pushed-back shoulder does reduce case capacity (and velocity), but we assume Hornady did that to create a shorter, proprietary chamber so people could not simply neck-down Lapua 6.5 Grendel brass, as has been done for years with Robert Whitley’s outstanding 6mm AR wildcat.
What Is the 6mm ARC Cartridge? The 6mm ARC cartridge is a new SAAMI-spec cartridge based on the 6.5 Grendel case necked down for 6mm bullets, with the shoulder moved back 0.030. Yes it is designed to run in AR15-platform rifles. You’ll need a new barrel, bolt, and mags. If you already have an AR chambered in 6.5 Grendel, the ONLY thing you need to change is the barrel. Everything else — bolt, magazines, gas system – is compatible with 6mm ARC.
▶ Official SAAMI Cartridge (not wildcat)
▶ Fits standard AR15-platform rifles
▶ Fits Short/Mini action bolt rifles
▶ Efficient short, fat case design
▶ 30-degree case shoulder
What Do I Need To Shoot the 6mm ARC?
Faxon and Ballistic Advantage are already producing barrels, with more manufacturers sure to follow. All the other required components are already on the market for 6.5 Grendel rifles. Aero Precision already offers complete 6mm ARC uppers.
If you’re converting a standard 5.56×45 mm (.223 Rem) AR15 upper to shoot 6mm ARC, you’ll need a 6mm barrel, a Type II 6.5 Grendel bolt carrier group, and new magazines. Some folks have suggested standard AR mags will work, but trust us, you want the magazines that have been designed for 6.5 Grendel. All the hardware you need is currently available at Brownells. And Brownells also sells complete Aero Precision 6mm ARC Uppers, starting at $749.99.
* While 6-6.5 Grendel shooters are known to run stout pressures, the new 6mm ARC cartridge has a relatively moderate Maximum Average Pressure (MAP) rating of 52,000 psi according to the official SAAMI specifications. For a variety of reasons, is wise to keep pressures in a semi-auto rifle moderate. Don’t chase the velocities you might get in a bolt-action gun.
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A decade-and-a-half ago, our friend Robert Whitley created the 6mmAR, a wildcat based on the 6.5 Grendel necked down to 6mm. The great thing about the 6mmAR cartridge is that is offers superb accuracy with high-BC 6mm bullets, while working in AR15-platform rifles. The 6mmAR feeds and functions using 6.8 SPC or 6.5 Grendel AR magazines. We provided a full report on the 6mmAR way back in 2006.
Hornady Introduces the 6mm ARC Cartridge for AR15 Platform
Now Hornady, with no apparent credit to Whitley’s 6mmAR, has announced a copycat cartridge, which it calls the 6mm ARC (Advanced Rifle Cartridge). Hornady will offer loaded 6mm ARC ammunition and also cartridge brass. In addition Hornady will produce reloading dies, shell plates, modified case, and other accessories. SEE 6mm ARC SAAMI Specification.
Hornady states: “Hornady® is proud to introduce the new 6mm ARC (Advanced Rifle Cartridge). Recently tested, selected and fielded by a specialized group within the U.S. Department of Defense for its multipurpose combat rifle program, the 6mm ARC is a truly versatile cartridge that maximizes the potential of the AR-15 platform.” Hornady Ballistician Jayden Quinlan adds: “We subsequently modeled and tested a variety of designs in different calibers until we were able to produce the most flexible cartridge possible within the limits of the AR-15 system. The 6mm ARC does much of what larger cartridges can and everything that smaller cartridges can’t.”
NOTE: The rim diameter (0.441) and thickness of the 6mm ARC appear to be identical to the 6.5 Grendel as illustrated on page 40 of the SAAMI Industry Standards. From all we can tell, in other dimensions as well, this is a very close copy of Robert Whitley’s 6mmAR, a 6-6.5 Grendel wildcat. For example, 6mm ARC case length is 1.49″ vs. 1.51″ for 6mmAR. The Guns&Ammo report on the 6mm ARC states: “The 6mm ARC is based on the 6.5 Grendel. Hornady started by necking down the cartridge to 6mm and then pulled the shoulder back closer to the case head .030-inch. … Hornady also set maximum chamber pressure low at 52,000 pounds PSI. This slows extraction and makes it much less violent, prolonging the bolt’s life.”
There is an extensive discussion of the 6mm ARC on the Gun University website. You’ll find dimensions and performance numbers for the new cartridge along with videos showing the 6mm ARC cartridge tested in a Barrett AR-type REC7 DI rifle. Read Gun University Story HERE.
More Velocity Than a .223 Rem, Less Weight and Recoil Than a .308 Win
Hornady says the 6mm ARC “delivers substantially better ballistics than the [.223 Rem] and offers a much lighter gun/ammo system with 30% less weight than the AR-10/308 Win system. This new cartridge delivers less felt recoil than larger short-action-based cartridges, yet takes full advantage of modern, heavy-for-caliber 6mm bullets that provide excellent accuracy and ballistic performance at extended range.”
You can see a ballistic comparison between 6mm ARC, .223 Remington, and .308 Winchester in this Hornady chart:
Notably, a large number of AR gun-makers have committed to producing rifles or uppers chambered for the 6mm ARC. Some of these are: Adams Arms, Barrett, Brownells, Christensen Arms, GAP, Howa, Mossberg, Noveske, Odin Works, Radical Firearms, and Wilson Combat. In addition Geissele and CMC Triggers are listed as suppliers on Hornady’s 6mm ARC webpage.
The Proven Lapua Brass Alternative — 6mmAR and 6mmAR Turbo
If you want 6mm ARC performance in your AR15 with superior case life and consistency, consider doing the 6mmAR or 6mmAR Turbo instead. These are proven designs with winning records in high power competition. Redding produces dies, and complete uppers (with proper Grendel-sized bolt face) are available from 6mmAR.com.
Superior Accuracy with Impressive Ballistics
Robert explained to us: “Lapua’s Grendel brass is of exceptional quality, very hard at the back, with a well-annealed neck area, and it has a small primer pocket and small flash hole. When you start with this kind of brass, you have all the ingredients of great accuracy. Necked down to 6mm, it is like a long-bodied 6 PPC, that feeds and shoots well out of an AR-15. This gives you a case that can handle high pressures, with the accuracy pedigree of the 6PPC. It doesn’t get much better than that.”
To create the 6mmAR simply neck-down parent Lapua 6.5 Grendel brass, which has small primer pocket and small flash hole. Case capacity is 36.0 grains of water, filled to over-flowing. (For comparison the 6mm PPC holds about 32.5 grains). To prepare cases, simply run the 6.5 Grendel brass through a Redding 6mmAR full-length sizing die. The FL die’s internal neck diameter (0.267″) is spec’d to deliver about .004″ tension on the bullet–just right for a gas gun. Redding’s 6mmAR dies were built to Whitley’s specs and closely match the actual dimensions of the Lapua brass. This video from Robert Whitley shows how to form 6mmAR cases from Lapua 6.5 Grendel brass.
Velocities: With the recommended medium-burn-rate powders, bullets in the 85- to 90-grain range can be pushed to the 2800 to 2850 fps range. In most 6mmAR rifles, the 105- to 107-grain bullets can be driven to velocities of 2700 to 2750 fps in a 24″ or longer barrel. More speed is possible, but don’t count on it with the average barrel. If you want more speed the 6mmAR Turbo offers additional case capacity. This allows the 6mmAR Turbo to drive the heavier 6mm bullets at velocities close to 6mmBR Norma cartridge levels.
Magazines: The correct magazines are the key to a reliable, competition-worthy system. For best results with the 6mmAR or 6mmAR Turbo, use special 6.8 SPC mags or Alexander Arms Grendel mags. Those specialized mags will provide better reliability than standard .223 Rem/5.56 mags for the AR15.
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