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The 6mm 109's offer several advantages," said Bryan Litz, Berger's Chief Ballistician. Maximum pressure obtained from SAAMI (p23 and p26 for the .243 and 6.5 Creed) and here for the 6mm Creedmoor. It delivers less drop, less wind deflection and the ability to shoot accurate groups at much greater distance (1000+ yds). Creating a 6mm Creedmoor rifle custom or from one of your current rifles is also fairly simple, you simply use the action of a rifle with a compatible bolt face and action length as can be seen on our bolt face database, and then have a gunsmith chamber and fit a .243 barrel to it. Having a chat with a buddy the other day who insisted that a 16" 6mm ARC would outperform a 16" 6mm Creedmoor using the same bullet (both in bolt guns). I have a rifle being built for me right now, a Badrock but it is going to be late summer before I see it. The fact that this was said on such a knowledgeable forum, with no objection by anybody and the first person to mention that such a reamer has been made before by PT&G was in 2010 on that thread. 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 (what we tested). ?This told me that felt recoil is not as much about numbers as it is about the person pulling the trigger. It also has a relatively low muzzle velocity, so it is not as effective at long range as some other calibers. The 6mm Creedmoor is a very well designed cartridge that offers some marginal advantages over similar cartridges. When you use the link above to shop for one of the products, we receive a small commission from the sale, at no extra cost to you. This data is for Hornady handloads and HornadyPrecision Hunter factory ammo using a 200 yard zero and a 24 barrel. FORLOH AllClima Softshell and AllClima Stretch Woven Pant Review. Like the saying cutting a 300wm down turns it into a 308win. BR GT Dasher all fine established cartridges but Brass and no factory rifle availability shows there limited appeal. The 6mm Creedmoor 108-grain ELD Match is 2,960 fps. The 6mm Creedmoor has a trajectory thats virtually the same as the .243 Winchester and significantly flatter than the 6.5 Creedmoor inside of 500 yards. Only a few metric calibers have been really popular in the United . Basically, hunters can take any game with the 6mm Creedmoor that they could with the .243 Winchester like deer, pronghorn, and even elk in some cases. The 6mm ARC also performs better in wind. My 6 creedmoor is a 22 inch barrel. With that said, lets take a closer look at the terminal ballistics of the two calibers in question. I'm not disputing his numbers, because no 2 guns are the same, and he may be using his own loads where I'm shooting factory ammo. All three cartridges have the same rim .473 diameter and they are all close enough in overall size that they are used in short-action rifles. The 6mm ARC offers a 30 to 35% lighter-weight package (gun and ammo). That's borne out by current factory ammo specs showing the 6mm Rem. For this reason, the 6mm Creedmoor has less recoil and a generally flatter trajectory, but the heavier and larger diameter 6.5 Creedmoor bullets have more frontal surface area, more resistance to wind drift, and carry more energy down range. This is the loaded equally with most efficient powder. While Snow moved onto other projects, the story of the 6mm Creedmoor didnt end there. .5.56 is generally loaded to higher pressure than .223. Take a look at any good ballistics program Hornady and Federal both have an easy-to-use program on their websitesand you'll see the advantage of the better B.C. case, being based on the .257 Roberts hull, has slightly more powder capacity than the .243 Win., and it's therefore capable of imparting a bit more velocity. I have spent a lot of time in this rabbit hole. Comparing 6mm ARC to 6mm CR is is apples and oranges again. As a result, the NRA is forced to restrict the sending of certain materials and information into California. I went with the 6 Creed for mine. There is also talk on a post over on Accurate Shooter forum by a person calling himself gnoble, that he built this or a very similar cartridge back in 2001 already by shortening a 243 Mashburn (I think he meant a 244 Mashburn). So, the Creedmoor has about 17% more energy at the muzzle than the 6mm ARC. The 6mm ARC uses less powder at lower pressure, so less recoil. Definitely not worth arguing. The 6.5 Creedmoor commonly uses 120gr, 140gr, and 143gr bullets. I think the trick is not just looking at each of those things in isolation, but trying to strike the "right balance" between those competing . Some of the greats are (from left) 6mm BR Norma, 24 Nosler, .243 Winchester, 6mm Remington, and .240 Weatherby Magnum. In addition, it comes with a two-year warranty from HORI one of the longest warranties in the business. .223 and 5.56 are the same bullet diameter (.224") and basically the same brass. Lastly, I am . The competition is timed, so first round hits are ideal, but theres more to these competitions than small shot groups. With just a minuscule .8 separating them, the two Creedmoor cartridges have almost an identical amount of wind drift. Currently 6mm ARC ammo is harder to come by than 6mm Creedmoor. The 6mm Advanced Rifle Cartridge (638mm), or 6mm ARC for short, is a 6 mm (.243) caliber intermediate rifle cartridge introduced by Hornady in 2020, as a low- recoil, high- accuracy long-range cartridge, designed for use in the AR-15 platform at request of a specialized group within the U.S. DoD for its multipurpose combat rifle program. A loaded round's overall length is 2.26 inches; this fits nicely within a STANAG AR-15 magazine and runs flawlessly with a 6.5 Grendel follower installed. 6mm Dasher Load Data - What The Pros Use. Now if one pushed the 6mm ARC to say 58k psi then who knows. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to amazon.com and affiliated sites. You can push a 6mm arc a little harder than the factory offerings in a bolt gun, and in fact, the hornady reloading manual has two separate sections for loading the 6mm arc, (gas gun/bolt gun) based on maximum pressures of 55k, and 63k, (if my memory serves), but even at the 63k, it lags well behind the 6mm creedmoor. Grade 2 ACL injury. Makes for a crazy lightweight 6.5 grendel in their Howa carbon stalker. Top Precision Rifle Shooter Bryan Zolnikov Talks With LoadDevelopment.com. Thankfully though, there are many companies now including Hornady, Peterson, Starline and a few more, making 6mm Creedmoor brass cases. The only way that works is if his arc barrel is very fast and the creed is super slow and loaded light, similar pressures the creed will outperform the arc every time now the arc will be more efficient. Even so, the 6mm Creedmoor has received a lot of press because its undeniably well designed and offers definite advantages over similar cartridges. This increased interest means that there are more people playing games on a regular basis, which should help keep the new ARC relevant for years to come. While all three cartridges are known for their exceptional accuracy, the 6mm and 6.5mm Creedmoor cartridges are usually better suited to use high BC and high SD, heavy for caliber match grade hunting bullets than the .243 Winchester because of the aforementioned faster rifling twist in rifles chambered for those cartridges that stems from their target shooting roots. Why would a guy opt for the ARC over the Creedmoor in a bolt action? An excellent choice of6mm Creedmoor ammo for hunting deer and pronghorn, the LRX BT still offers effective terminal performance and the deep penetration on larger game thats essential when elk and red stag hunting. That's why they chose the 6mm bullet. John Snows article for Outdoor Life was used as a reference for the history of the 6mm Creedmoor. This is reflected in the prices, availability, and variety of factory ammunition and hunting rifles currently in production for each cartridge. Only time will tell for sure, but we think the new ARC has a good chance of becoming a mainstay in the world of competitive gaming. Minors should not handle firearms without parental supervision. https://www.hornady.com/assets/site/hornady/files/load-data/6mm-ARC-gas-108-110gr-data.pdf, https://www.hornady.com/assets/site/hornady/files/load-data/6mm-arc-bolt.pdf, Peterson Brass Belted Mag Basic Unprimed Box of 50, .300 Weatherby Mag 170 G Hammer Custom Hollow Review help. This helps support the blog and allows me to continue to create free content thats useful to hunters like yourself. Review: Hornady 6mm ARC. 243 vs 308 vs 7mm-08: Which Is Right For You? Its release as a commercial round was presaged by a number of successful 6mm wildcats like the 6mm AR based on the Grendel. In this video. For these shots, high shoulder is recommended. You can get a 6 to 6.5 pound rifle which can shoot high B.C. It can accomodate the newer, longer and heavier 6mm bullets that offer good ballistic coefficients, whilst still shooting them a fast muzzle velocities without too much recoil. If youre in the market for a new rifle, youve probably come across the 6mm ARC and 6.5 Creedmoor calibers and are wondering which one is better. We have the Brass in stock along with Dies. Regardless of whether youre using a .243 Winchester, a 6mm Creedmoor, or a 6.5mm Creedmoor, no pronghorn or deer will go far if you put a well constructed bullet into the vitals. Just playing in GRT, 6ARC would get 2400ish and the 6CM would get 2700ish. Have you noticed the purveyors of the latest craze field hunting game are not allowing any 6mms to play? The fact that the case length of the 6mm Creedmoor is shorter than that of the 243 Win, but that it can be loaded to a higher rated max pressure of 62 000 PSI compared to the 60 000 PSI of the 243 Win, means that the newer, more modern longer bullets with higher BCs can be loaded further out in the 6mm Creedmoor before reaching the magazine max overall length, compared to the 243 Winchester. Required fields are marked *. He eventually decided to use a 6.5 Creedmoor case necked down to shoot 6mm bullets in an attempt to build a new cartridge with even less recoil than the parent cartridge, but still capable of outstanding accuracy at 1,000 yards. A 6.5 Creedmoor barrel typically lasts between 2,000 and 3,000 rounds, while the 6mm Creedmoor experiences serious velocity drops starting between 1,500 and 1,800 rounds. Grendel is a great cartridge, is the 6mm ARC that much better? document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); To re-barrel or chamber a rifle to a difference caliber or cartridge, it is important to know if the bolt face will work with the new case head diameter. The powder capacity isn't even close. The biggest advantage of the 6mm ARC is its extremely high ballistic coefficient (BC). However, just to give you an idea of the superiority of the 6mm Creedmoor over the .243 Winchester at long range, consider this: the .243 Winchester has over 30 more bullet drop than the 6mm Creedmoor at 1,000 yards when both cartridges have a 200 yard zero. F-1 Proof Stag Custom Lightweight AR in 6mm ARC, 6mm Creedmoor rifle for sale - Short Action Customs. If youd like a more detailed rundown of the strengths and weaknesses of the .243 Win, read this article: 243 vs 308 Win vs 7mm-08: Which Is Right For You? In this article, Im going to discuss the pros and cons of the 6mm Creedmoor cartridge in detail. Ultimately, it is the shooters that decide which new wildcats or cartridges become popular and are there to stay and which arent. Cal September 2, 2019 Ammo & Handloading, Brass, Bullets, Load Development, Powder, Primers, What The Pros Use 45. Note: while the powder capacity figures listed below do give a good indication of the differences between the two cartridges, exact case capacities vary slightly according to the brand of brass used. At this instant, I can find 3 different loads for it in-stock, which is more than I can say for the majority of other cartridges right now. In a bolt action The 6 Creedmoor rifle is easier to come by in good rifles. The 6mm Advanced Rifle Cartridge (ARC) is a new cartridge by Hornady in 2020. For all the reasons mentioned is why I went with a 6x47 Lapua for a bolt gun. JavaScript is disabled. Other shooters took notice of how well the rifle and cartridge performed during PRS competitions that year and began ordering 6mm Creedmoor rifles from Gardner. During PRS competitions, shooters must quickly engage targets at a variety of ranges all the way out past 1,000 yards. Comparing 6mm ARC to 6mm CR is is apples and oranges again. You are using an out of date browser. The Eagle Eye 6.5 Creedmoor shoots a 130gr hybrid projectile with a .295 G7 at 2,960fps from an average 26" barrel. The 6mm Creedmoor can use the same lighter weight bullets as the .243 Winchester and fire them a bit faster (around 200fps with typical factory loads). Read More . Your email address will not be published. The 6mm ARC was designed to match specific DOD requirements while fitting in the AR15 platform. It can be used for everything from target shooting to hunting, and its also relatively inexpensive to reload. and 240 Wby. Barnes currently offers their VOR-TX LR line of ammunition in 6mm Creedmoor and its another great choice for big game hunters who want the best possible performance at extended range for hunting. The much newer 6mm Creedmoor is by far the least common. Compared to the 6mm Creedmoor, the 6.5 Creedmoor shoots heavier, larger diameter, and more aerodynamic bullets at a slower velocity. Interestingly, there is a surprisingly good selection of factory loaded 6mm Creedmoor ammunition these days. The Creedmoor will typically penetrate deeper and create a wider wound channel than the 9mm ARC, making it a better choice for hunting. Its also offers match grade accuracy. Also thanks to the 30 degree shoulder on the 6mm Creedmoor, compared to the 20 degree shoulder of the 243 Win, means that the brass does not expand and lengthen upon firing in the 6mm Creedmoor like on the 243 Winchester, so you have longer brass life before case head separation happens, and also the 6mm Creedmoor barrel is not burned out as fast as the steeped shoulder angle means the junction of the burn is further from the throat of the barrel chamber. If youre looking for a round that can do it all, then the ARC is the one you want. The Creedmoor has about 17% more recoil than the ARC, so it is a bit more punishing to shoot. Case in point. HunterMann Well-Known Member LRH Team Member Joined Jan 18, 2021 Employee communication . 22-250 vs 223 vs 204 RUGER vs 220 SWIFT: CLASH OF THE SPEED DEMONS. The next video, you will see the explanation of why a high-shoulder shot, with such a bullet is the recommended shot and with expanding match bullets. Its not a magical cartridge, but the 6mm Creedmoor does provide real benefits over the 243 Winchester. Im a Reloader and I have a 6 ARC, though its a gas gun. Once again, the .220 Swift reminds me of a .223 Remington on steroids as the .223 Remington can only maintain 800 ft-lbs of energy out to about 175 yards. Both of these calibers have their pros and cons, but in the end, the 6.5 Creedmoor is a better choice for most shooters. However, the cartridge began turning heads in the hunting community. Definitely not worth arguing. It had a 2.23-inch case length, a .243-inch pointed soft point bullet diameter, and muzzle energy of 2,788J. Compared to 5.56 NATO, the 6mm ARC offers substantially less drop and wind deflection and provides the ability to shoot much more accurately at longer distances. In this video we compare the 6mm ARC to the 6mm Creedmoor using ELD-X ammunition. If you are looking for a versatile round that can be used for both target shooting and self-defense, the sixmm ARC is a good choice. My buddy claims 2750 fps out of his 18" gas gun 108 ELDM. Team Hornadayis the master, bar none. The 6 Creed wins every time, if we are talking velocities. Loaded with an 87 grain V-Max bullet at 3,210 feet per second, this is a very accurate and extremely flat shooting varmint hunting load at all practical ranges. Like the .243 Winchester, the 6mm Creedmoor is also a really good varmint as well as big game hunting cartridge. These include the weight of the bullet, the velocity at which it is fired, and the type of ammunition it is made from. According to this data that seems possible. Makes for a crazy lightweight 6.5 grendel in their Howa carbon stalker Dec 8, 2021 #8 A Anschutz 0 Joined Mar 19, 2017 Messages 137 Location Fairbanks, AK Just playing in GRT, 6ARC would get 2400ish and the 6CM would get 2700ish. A big fan of long-range shooting, Snow was particularly intrigued by the brand new 6.5mm Creedmoor cartridge that had just been released that year. D DocT Joined I know of several instances of people that Ive known who have bought new rifles in a particular cartridge specifically because they could get ammo for it. The 6mm Creedmoor and it's smaller siblings like the 6mm Dasher, BR, and BRX offer all kinds of options to shooters. Also Available At: Brownells and Guns.com. It and the 6mm Remington have the horsepower to best the 6mm Creedmoor, but the Creed has the rifling twist, so let's use its ballistics to compare against its parent, the 6.5 Creedmoor. All in all building a 6mm ARC would save me around 3 pounds (1 pound being on the very front end). [], What is a 7mm PRC? Its also incredibly accurate, making it perfect for long-range shots. The 6mm, refers to the bore diameter of the barrel, more specifically actually a .243 or 6mm bullet diameter. By the numbers, the 6mm ARC case head measures 0.440, just 0.005 smaller than a 7.6339 case. Someone keeps forgetting to tell John Whidden that he cant spank the Creedmore fanboys at the Wimbledon matches with his 20 deg shoulder, low pressureed, overly tapered 243 Win. The .223 75-grain bullet, by contrast, drifts more than 15 inches at that range, and the ARC's advantage becomes more pronounced at longer ranges. Barrel life variable depend on your rifle, barrel, load, velocity and bullet. The 6mm ARC gives hunters the ability to successfully hunt varmints and deer. Felt recoil will vary from shooter to shooter and rifle to rifle, but free recoil energy is still a useful way to compare cartridges. Posted: 3/17/2020 1:36:19 PM EST [#2] Quote History . Ammo and rifles arent impossible to find, but theyre much harder to find than 6mm Creedmoor rifles and ammo right now. 100-grain load exiting at 3,100 fps, and the .243 Win. Cartridge Specs: 6.5 Creedmoor Vs. 6mm Creedmoor Understanding a cartridge's capabilities always begins with basic knowledge of the physical properties of the cartridge. I love my Uintah rifle it shoots beyond my expectations for what it is. I can't find the weight but I bet it's the one they mention that is only 4lbs 5oz. As you can see, the .243 Winchester and 6mm Creedmoor have a very similar trajectory with less than a half inch of difference in their point of impact at 500 yards when using the ELD-X bullets. But I am in the market for another bolt action and am patiently waiting on Howa to release their mini action. Like this unbelieveable 6mm Creedmoor of PRS Pro Shooter Jake Millard from Panhandle Precision who has recorded 2500 rounds through his 6mm Creedmoor and the rifle is still grouping well and shooting very low SD and ES as can be seen below: For safe reliable reloading data to start your load development journey with your 6mm Creedmoor, I would recommend working with the reloading data provided by either your powder manufacturer, like the Hodgdon reloading data portal, or the reloading data provided by your chosen bullet manufacturer. Video marketing. Many factors determine the number of shots a barrel can take before the throat and rifling of the barrel become worn to a point where the accuracy wanes, usually evident through inconsistent groups or sudden slower muzzle velocities. We do deal with a lot of different cartridges and firearms so either he or I could be getting the numbers mixed up. My other favorite load is a Hornady 108gr ELDM at 2970 FPS. When it comes to hunting, the most important factor is terminal ballistics, or how well the bullet performs once it hits the target. Available components is why the 6mm ARC makes sense, well that was the theory prior to Covid. That being said, if a guy wanted to push that type of speed and bullet weight, the 6mm Creedmoor is a better solution in my opinion. Both Cartridges have real advantages & disadvantages. Due to the fact that it uses the 6.5 Creedmoor as a parent case and performs similarly to the .243 Winchester, the 6mm Creedmoor is most often compared to those two cartridges. Hornady recommends 1:9 twist or faster for its 105-grain A-Max and BTHP Match. Cal. The 6 ARC can be built on mini actions such as the CZ 527, Howa Mini, Sako AI. The most critical difference is that in bolt-action rifles, from which the 6mm PPC is typically fired, according to the Western Powders Handloading Guide, the 6mm PPC is loaded to pressures approaching 60,000 psi. While the Precision Hunter ammo uses the same type of bullet for all 3 cartridges, the 243 and 6mm Creedmoor use different weight bullets with that line of ammo. This helps us keep this site going, and does not affect the price you would pay usually in any way whatsoever. The only place where it was always claimed that the .243 Winchester won the 6mm Creedmoor, was with ammo availability. The sixmm ARC has enough stopping power to take down small game, but it is not ideal for self-defense against larger animals or humans. The ARC is an incredibly versatile round that can be used for hunting a wide variety of game animals. 25-06 vs 6.5 Creedmoor vs 270 Winchester: The Results Might Surprise You, 6.5 PRC: Ultimate Guide To What You Need To Know. This means an average of 100 to 200 fps higher muzzle velocities from the better BC bullets out of the 6mm Creedmoor, so it beats the 243 Winchester in the energy, drop, windage and ballistics departments. The bullet diameter is .243, the same as any other .243 or 6mm centerfire cartridge like the 243 Win, 6mm Remington, 6XC, 6GT, 6mm BR and 6mm Dasher. 6ARC will be cool if Howa ever sells it as a barreled action on their mini action. The 6mm Creedmoor also has about 7% more energy at the muzzle and about 27% more energy remaining at 500 yards than the .243 Winchester with the ELD-X bullets and about 14-17% advantage in energy with the InterLock bullets. Federal has 6.5 Creedmoor factory-loaded ammo, including the American Eagle 140-grain Match bullet. EAR PROBEST CASES-- Cedar Mill Iron Clasp Case: https://amzn.to/2JazLHi--Plano All Weather Tactical Case, 52-Inch: https://amzn.to/2OvGdZd--Bow case Plano 108110 Bow Guard AW: https://amzn.to/2H39GpiMAPS-- OnX Hunt App: https://smart.link/5cfa7dbd77da1-- OnXHunt app: https://amzn.to/3bg07RSOUR GEAR STORE USA: https://www.amazon.com/shop/bullets4bucksDisclaimer: Do not attempt any stunts seen on this channel. Which it does pretty well within those limitations. Wait til after hunting season? If youre just getting started in long-range shooting, then either of these calibers would be a great choice. I get like 2550fps from my 18" 6mm arc ar15 shooting factory 108gr eld-m. It may not display this or other websites correctly. fps Burn % Pressure max 6mm ARC - Alliant Reloder-17 *T 109.3 30.9 2621 98.4 62000psi 6mm Creedmoor - Alliant Reloder-26 *C 102.3 47.8 2837 99.4 62000psi 6ARC will be cool if Howa ever sells it as a barreled action on their mini action. So, take all that for what you will. The cartridges are otherwise identical up to the shoulder and both cartridges have the same SAAMI maximum pressure of 62,000. The 6mm Creedmoorin the same fashion of its larger counterpartfits those bullets very well. 223/5.56. For a better experience, please enable JavaScript in your browser before proceeding. The other big difference between these cartridges is that the 6mm and 6.5mm Creedmoor were both purpose built as competition shooting cartridges and were designed to use the longest and heaviest bullets available for their caliber without intruding into the powder column. Unlock the Benefits of Knowing Your Winchester Serial Number, Complete Buyers Guide to the Sig Sauer P228. It would also be nice if it's a platform that allows me to relatively swap barrels on my ownthe actions that can take Savage/Remage barrel nuts is high in my consideration. These high velocity, rapidly expanding bullets arent really suitable for big game hunting, but theyre absolutely devastating on varmints and predators. at 2,960 fps. The 6mm Creedmoor was also intended for use from the start in semi-automatic rifles like the AR-10 as well as bolt action rifles. Solutions . On the other hand, 6mm Creedmoor rifles usually have a faster rifling twist (1:7.7 in the case of the Ruger Precision Rifle), so the cartridge is commonly available with 103 grain, 105 grain, 107 grain, 108 grain, and 112 grain bullets. The 109's are tailored to cartridges such as 6mm Creedmoor, 6mm BR, 6 Dasher, 6XC, 6BRX, and 647 among others. For instance, most .243 Winchester loads top out at 100 grains and few .243 rifles have a fast enough twist rate (1:9 and 1:10 are very common) to stabilize bullets heavier than that. The 6.5 Creedmoor is slightly larger and more powerful than the other two cartridges. To my way of thinking, we are splitting hairs ballistically, and as always the shooter will make all the difference. I know what. The cartridge is also well suited for handloaders and since it uses the same .243 bullets as 6mm cartridges like the .243 Winchester, the 6x47mm Lapua, the 6XC, and the .240 Weatherby Magnum, there are a variety of great .243 bullets currently available. Additionally, I recorded an entire podcast episode on this exact subject. Which it does pretty well within those limitations. For 75gr and lighter competition and varmint bullets, a 1-10 twist rate would be fine. The statistics shown above demonstrate the advanced speed capabilities of the 6mm ARC. Always follow manufacturers instructions. How does this new 6mm improve on the performance of the 6mm Creedmoor or the 243 ? Your point about rifle availability is a valid point. All the die manufacturers including Hornady, Lyman, Redding, RCBS and other make 6mm Creedmoor Dies, but out of all of them that I have used, I still prefer the Redding as the best 6mm Creedmoor Dies for sale, because of the quality of the product, and then the design of the expander which works very well for me. Peterson, Alpha, Lapua, etc. Find Reply Dino11 Member Posts: 350 Threads: 33 Joined: Jul 2020 #2 For example,when fired from a Ruger American Predator rifle, a .243 Winchester load firing an 90gr Nosler partition has slightly less recoil than a 103gr Hornady ELD-X from a 6mm Creedmoor. Having a chat with a buddy the other day who insisted that a 16" 6mm ARC would outperform a 16" 6mm Creedmoor using the same bullet (both in bolt guns). So, if you are looking for something to shoot at targets with, the sixmm ARC is a great choice. It has served me well in both the NRL and PRS league, and I have taken more than 30 different animals with it successfully. Just a quick run through GRT shows the ARC topping out at ~2400 and 6CM around 2700. THANK YOU.. Recoil vs cartridge study over the. I would have to get dies, brass, and bullets to reload for the 6mm ARC. It's not even worth a discussion, even in a 16in barrel the 6CM is hundreds of fps faster than the 6ARC. Its large case capacity gave it a slight ballistic advantage . Barnes VOR TX ammo is also an ideal choice if youre hunting in states like California that mandate lead free 6mm Creedmoor ammo for hunting. He mentioned that he wants to invent a new cartridge by necking down a 6.5mm Creedmoor to a 6mm and that it would make a mean varmint cartridge. 6.5 Grendel The 6mm ARC delivers comparable performance from a wider assortment of bullets, making it a more versatile choice. PS - If anyone needs a box of 6mm Creedmoor 105 gr BTHP Hornady BLACK, 20 rounds, and lives in Southeast Michigan, send me a PM, I'll give ya a good deal Click to expand. But what does that mean for terminal ballistics? The powder, the case, the primer and case wall thickness are some contributing factors for sure. If youd like to learn more about how the 6.5 Creedmoor stacks up to a few other popular hunting cartridges, read the articles below. As can be seen with the Kudu bull taken at 180 yards late evening with a well place head shot. the idea of a 6ARC bolt platform is always lurking in the back of my mind.which intrigues me as I always preferred semis based on a MIL issue platform.