Ballistics are very similar for the 6mm Creedmoor and .243 Winchester inside 500 yards, but the 6mm Creedmoor is much better suited for longer range shots since it can use those more aerodynamic bullets. How does an "avid reloader" figure a cartridge is capable of outperforming another cartridge that has 50% more case capacity? Unfortunately, were not living in normal times as I write this in September 2021. FORLOH AllClima Softshell and AllClima Stretch Woven Pant Review. In short, the 6mm Creedmoor has the advantages of the .243 Winchester (flat trajectory and low recoil) and combines them with the best features of the 6.5mm Creedmoor (wind resistance and the ability to use long, low drag, high BC bullets). For those reasons, flat shooting, medium bore, high velocity (up to a point), and mild recoiling cartridges with a long barrel life have a big advantage in these competitions. The 6mm Creedmoor has been out a while. It has the perfect blend of power and accuracy, and is capable of taking down even the largest animals with ease. However, the extra recoil is not enough to make the Creedmoor unmanageable for most shooters. Depending on how much shorter he actually made it, this could be the case as the rare wildcat 244 Mashburn cartridge also had the same rim, also very little tape in the case body, and also featured a 30 degree shoulder, but this again could not be verified other than that claim. Even so, the 6mm Creedmoor has received a lot of press because its undeniably well designed and offers definite advantages over similar cartridges. 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. The 6.5 Creedmoor has a similar advantage over the 6mm Creedmoor in kinetic energy. You can boost the performance of the 6mm ARC in a bolt action quite easily. Bullets4Bucks is a participant in affiliate advertising programs designed to provide income. Heres why: First and foremost, the new ARC is designed to be more durable than its predecessor. As a follow-up exercise, I plan to use QuickDesign software to create a more accurate model for the 6mm . Hornadys Precision Hunter line of ammunition is specifically designed for long range hunting. Both of these calibers have their pros and cons, but in the end, the 6.5 Creedmoor is a better choice for most shooters. Copyright 2023 Big Game Hunting Adventures LLC | All Rights Reserved. at 2,960 fps. Its release as a commercial round was presaged by a number of successful 6mm wildcats like the 6mm AR based on the Grendel. Thats understandable because, while the new cartridge has performed very well during practical shooting competitions since its introduction, the 6mm Creedmoor only started making the transition into the hunting community in the last couple of years. I love my Uintah rifle it shoots beyond my expectations for what it is. you would be blown away at the number of people that picked the 6XC and the 6 creed. My take on this is, why opt for 1 when you can have both? Disclosure: Some products are provided by companies as samples or by friends for testing and evaluation. Before we get started, I have an administrative note: Some of the links below are affiliate links. 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. 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. Posted: 3/17/2020 1:36:19 PM EST [#2] Quote History . There are a lot of opinions out there on which rifle caliber is better, but it really depends on what youre looking for. 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. 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. The 6mm ARC offers a 30 to 35% lighter-weight package (gun and ammo). A few years later, Gardner was brainstorming ideas on how to gain an advantage in the new Precision Rifle Series competition (PRS) that was rapidly growing in popularity and remembered the project hed worked on with Snow. If youre just getting started in long-range shooting, then either of these calibers would be a great choice. Actors are trained firearms professionals. Not much info out there on them. We poled 25 shooters at the range and had 4 rifles built the same. The 6mm Creedmoor or 6Creed as some call it, was a natural evolution as with almost any other 6.5mm Creedmoor that was eventually necked down to 6mm for faster muzzle velocities and lower recoil for PRS style racegun competitions. Take that for what you will, but no animal will be able to tell the difference between an additional 100-200 ft-lbs of energy with a well placed bullet though. Nosler also offers their Trophy Grade hunting ammo in 6mm Creedmoor. These bullets arent quite as heavy and have a little bit lower BC than the Hornady ELD-X, but theyre still very aerodynamic and very accurate. The ARC is also an excellent choice for smaller game animals. The 6 Creed wins every time, if we are talking velocities. Its also incredibly accurate, making it perfect for long-range shots. A large volume of slow burning powder takes more barrel to burn. For that reason, Hornady offers the 6mm Creedmoor as part of their Varmint Express line of ammo. [], What is a 7mm PRC? 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. Case capacity of the 6mm PPC is about 33 grains of water. Currently 6mm ARC ammo is harder to come by than 6mm Creedmoor. No one shooter could tell me what rifle was chambered in what cartridge based on felt recoil. In this article, Im going to discuss the pros and cons of the 6mm Creedmoor cartridge in detail. 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. To my way of thinking, we are splitting hairs ballistically, and as always the shooter will make all the difference. Like the saying cutting a 300wm down turns it into a 308win. ?This told me that felt recoil is not as much about numbers as it is about the person pulling the trigger. However a 300WM will always beat a 308 given the same barrel length. It is more suited for the shorter action rifles like AR-15s and the Howa Mini Action rifles. You can get a 6 to 6.5 pound rifle which can shoot high B.C. It also has a relatively low muzzle velocity, so it is not as effective at long range as some other calibers. 300-yard D/D/E: -1.7/5.3/1403 600-yard D/D/E: -56.3/23/946 800-yard D/D/E: -135/44/714 With the numbers we use, it appears these cartridges each have their advantages. So, the Creedmoor has about 17% more energy at the muzzle than the 6mm ARC. There are several other factors that contribute to a bullets stopping power. Id guess its tied to the myth that bigger cartridges need more barrel length. As the 6mm ARC factory load is loaded for the lower pressure AR platform. The Creedmoor has about 17% more recoil than the ARC, so it is a bit more punishing to shoot. So where do we stand overall with the .243 Winchester, 6mm Creedmoor, and 6.5mm Creedmoor? I have spent a lot of time in this rabbit hole. 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 In this video. Unlock the Benefits of Knowing Your Winchester Serial Number, Complete Buyers Guide to the Sig Sauer P228. 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. Great questions! 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. Anyone used the Crossroad Archery Stabilizers? The Big Game Hunting Blog is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com, Amazon.co.uk, Amazon.ca, Amazon.com.au, and other Amazon stores worldwide. Your email address will not be published. The difference is even bigger with the InterLock bullets though and the 243 has almost 6 more bullet drop than the 6mm Creedmoor at 500 yards. Looking at the immense popularity of the 6mm Creedmoor in recent years, especially in the PRS racegun and other fieldshoot type competitions, the availability of factory ammo and factory chambered rifles in it, it would appear to be here to stay, with many claiming it displacing the legendary .243 Winchester. HunterMann Well-Known Member LRH Team Member Joined Jan 18, 2021 I shoot 105 Berger hybrids from mr 6br but dont hunt with it to know what damage they do. The 109's are tailored to cartridges such as 6mm Creedmoor, 6mm BR, 6 Dasher, 6XC, 6BRX, and 647 among others. 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. Initially to create 6mm Creedmoor brass cases, one would simply neck down high quality 6.5 Creedmoor brass with a good full length sizing die and enough case lube. However, if you are looking for a round that is specifically designed for self-defense, you may want to consider something else. Federal has 6.5 Creedmoor factory-loaded ammo, including the American Eagle 140-grain Match bullet. The cartridges are otherwise identical up to the shoulder and both cartridges have the same SAAMI maximum pressure of 62,000. The 6mm ARC was designed to match specific DOD requirements while fitting in the AR15 platform. (This post was last modified: 05-14-2022, 09:29 AM by, (This post was last modified: 05-14-2022, 09:54 PM by. THANK YOU. Recoil vs cartridge study over the past year and findings. 260 Remington vs 6.5 Creedmoor vs 6.555 Swede. Both use the same 6mm/.243 diameter bullets, but the 6mm Creedmoor was specifically designed to use longer, heavier, and more aerodynamic projectiles. Chuck Hawks(here,here, and here) provided the case capacity for each cartridge. With just a minuscule .8 separating them, the two Creedmoor cartridges have almost an identical amount of wind drift. The designers of the 6ARC wanted to create a round that would compete with the famous 223/5.56 in an AR platform, but it needed to shoot flatter at long-range. The shoulder on the 6mm ARC is moved back a bit from the 6mmAR (I'm guessing so 108gr ELDs will fit perfectly at mag length), so the ARC will have a bit less capacity . All of these cartridges have a very mild recoil that most shooters and hunters should be able to handle. This video or description may contain affiliate links. 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). All in all building a 6mm ARC would save me around 3 pounds (1 pound being on the very front end). The Creedmoor will typically penetrate deeper and create a wider wound channel than the 9mm ARC, making it a better choice for hunting. Right out of the muzzle, the 6mm ARC is traveling at 2,750 ft/s, or 170 ft/s faster than the 6.5 Grendel. 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. Employee communication . Bullet/B.C. You can boost the performance of the 6mm ARC in a bolt action quite easily. 6mmARC, 6mmGT, 6mmXC and the 6 creed. 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. rifles come with 1:10 twists, which are not quite quick enough to stabilize today's longest, highest B.C. The 6mm Creedmoor may be the final nail in its coffin. This makes it an excellent choice for long-range shooting, as it will maintain its velocity and energy over long distances. If you have any doubt how well Hornady does this look no further than the 6.5 Creedmoor. In this video we compare the 6mm ARC to the 6mm Creedmoor using ELD-X ammunition. So, if you are looking for something to shoot at targets with, the sixmm ARC is a great choice. I had always been told you need a certain length barrel for certain calibers. Thank you for watching, I hope you guys have a blessed new year. A shorter action and longer barrel life. For the the heavier bullets like the 108gr ELD-Match, Hornady recommends 1-8 inch twist barrel, which is what I am also shooting them with in my PRS 6mm Creedmoor rifle and it suits those bullets perfectly. California recently rushed through legislation making it unlawful to communicate to those under 18 about broad categories of firearms, parts, and accessories. The size of the bullet, or caliber, is one factor that determines how much stopping power it has. According to this data that seems possible. Offset by a wide selection of available high end 6CM brass. The competition is timed, so first round hits are ideal, but theres more to these competitions than small shot groups. The rifle and cartridge performed beautifully and Snows column about the whole project appeared in the August 2010 issue of Outdoor Life. Case capacity of the 6mm ARC is 34 grains. At 1,000 yards, the 6.5 drops 23 inches more than the 6mm. The question of whether or not the new ARC will last has been on everyones mind since it was first announced. 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. During PRS competitions, shooters must quickly engage targets at a variety of ranges all the way out past 1,000 yards. Coming out of the muzzle, it maintains speeds around 2,750 to 2,800 fps. For these reasons, long, heavy for caliber bullets will fit in the magazine and chamber in 6mm and 6.5mm Creedmoor rifles. It also has a relatively low muzzle velocity, so it is not as effective at long range as some other calibers. The biggest advantage of the Creedmoor is its versatility. Here's some bolt gun load data. My personal 6 Creed is a Remington 700 Stainless Action from a rifle originally chambered in 308 Win, the action was then trued, fitted with a Lothar Walther .243 barrel in 1-7 twist on it with the chamber cut for a 6mm Creedmoor. The biggest advantage of the 6mm ARC is its extremely high ballistic coefficient (BC). However, thats during normal times and, as Im writing this in 2021, were not living in normal times. Heres how each cartridge compares directly to the others in general terms. The 6mm ARC produces a larger splash signature that allows shooters to self-spot impacts and make rapid adjustments. I think on paper the 6cm factory loadings seem much better than 25-06 mainly because the cartridge is designed for long high BC bullets, and the 25-06 offerings seem to start fast and slow quick. My first concern about possibly switching is the 300ft/lbs lower energy of the 6mm ARC. For a long time I have wondered about how barrel length affected velocity. 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. This was basically a 6 arc. Barrel life, according to most precision shooters is basically the number of rounds expected before the rifle shows inaccuracy of more than one MOA. 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. So, what does this mean?
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