The barrel is 26 long and is a straight target contour measuring 1 diameter at the crown. Id be very curious to see what rifles and scopes are being used in the PRS Production class. Id ask if 0.2 MOA is really a requirement. I do appreciate the thoughtful comments, and you sharing your ideas. I go into the science behind that in a chapter I contributed to Bryan Litzs most recent book, Modern Advancements In Long Range Shooting Volume 2. Appreciate the content? I invested hundreds of hours of work into to getting some objective, data-driven answers. Barrel Contours from left to right: Contour, Fluted, Dimpled, and Standard. I think you'll like this one. Cal, youre the best. Is this why you recommend the John Hancock? Its not like one is clearly superior, but wow is there a lot of people who like to claim that. Can you enlighten us on what you mean? . The performance of the AI-1960 barrel even in 300 WIN Mag is extremely high. Honestly, I wish the numbers were all for the same barrel lengths, but manufacturers dont seem to publish them that way. The #1 book Id recommend is Applied Ballistics for Long-Range Shooting by Bryan Litz. Already working on the one about stocks and chassis. I asked George Gardner about this contour. Remington 40-x 7.62 NATO Barrel Contour, Same as M24? I purchased a bbl in MTU contour. According to Bartlein Barrels, a 26" M24 contour barrel weighs in at 6.2 . Great question. And I think the results of the testing I did definitely didnt draw as clear of a conclusion as you presented about PROOFs method of high-tension, filament-wound structure being obviously superior. Minuteman. So I asked him the million dollar question: Whatis themost important thing when itcomesto precision rifles? Cecil didnt hesitate. It can even vary from one barrel to another! How often do pros clean their barrels? Scott Seigmund getting a vudoo apparition in xlr element. LV Modified 5.64 I know thats a tall order. I am a true ruffian like most of the rest of your following, but have to acknowledge the art you blended into this article. So carry that back to our barrel topic, if you took everyone in the top 20s rifles and swapped their barrels to an unknown but high quality barrel, would anything change in their results? I then went back and re-evaluated my 6.5x47L load and found that the same load with a 26 bbl according to the graph and barrel time would be a slightly better load. Curious, as youve previously mentioned the John Hancock Rifle from Patriot Valley Arms, but I notice for all the new production class rifles being made and marketed, the PVA rifle mentions a Rock Creek barrel, while the Badrock and the Havek rifles dont mention any barrel manufacturer, and the MPA offering lists X-Calibur as their barrel maker (a company that seems to hold a rather negative opinion online). Your comments made me immediately think back to an article that Todd Hodnett, one of the most respected long-range shooting trainers in the world, wrote a few years ago (read it here). In my experience, long barreled rifles (longer than 30) are typically harder to maintain reliable precision with, as well as being more difficult to hold a zero. PROOF Research was the second most popular barrel brand among these top shooters, at 15.7%. First (and the simplest approach), thats when having a gridded reticle like the Mil-XT or the Horus style reticles comes in handy. Bartlein Barrels is a manufacturer of precision cut-rifled barrels used for hunting, precision tactical shooting, and benchrest competition. It may be surprising to hear, but some barrel manufacturers are still using World War era equipment to produce barrels. The Aquaticum Medicinal and Thermal Baths offer guests pools filled with spa waters at different temperatures which come up from the ancient seabeds laid down in the Triassic Age. Extraordinary accurate long range rifle. Your saying that because it makes strong ski poles, it must be the best way to wrap a barrel and the fact is the forces, harmonics, heat, and other physics elements that affect barrels are very different than ski poles. Gen 3 Design, 60 Degree Bolt; MTU Contour; . Thanks your article and my questions suggests a couple questions: Just at first glance, it seems like single-point, cut-rifled barrels are most popular among this crowd by a pretty wide margin. In a 30" barrel, that typically means MTU or HV contour at the heavy end of the scale. This includes rifles scopes, but also spotting scopes and rangefinders. Dimensions. Its one of those things we can fixate on a little too much. I get you, Pierre. Many elements of external Ballistics are correlated or proportional to the time of flight. That was Nightforces bestseller at the time, so that MOAR was likely designed with 22x magnification in mind. Thanks for all the hard work and information dump. I just mention those things as anecdotal support for your theory, and not just anecdotal support from some random guy from two of the smartest and most respected guys in the long range world. match contour) was the most popular profile, followed by a Palma contour. I dont know how much relevance that has to the topic at hand, but i would bet it has some. 0. Cal, while building an Elk gun last year I created a spreadsheet that correctly calculates most of Bartleins barrel weights based upon the users desired finished length. Ive asked him to respond here with the answer, so stay tuned. I also did the same with my 6.5CM load and it also showed that a longer barrel would have a more consistent barrel time. I dont know of objective studies that have been done to prove that, but it fits my experience. 1.25 Barrel Blank 8.27 I blast it out to anyone who wants globs of information on all things precision rifle related. One of the guys running this was Dan Jarecke, who ranked 6th overall in the PRS, so its obviously not a bad choice. Palma 4.37 They responded by allowing us to develop the Competition contour. I havent read all the books on long range shooting, but Ive read a lot maybe even most of them! Starting at: $412.50. Regardless of whether that is true or not, a lot of guys are using their barrels so they must be doing something right! Now is it enough to matter? Looks like PROOFs steel barrels have become more popular among precision rifle competitors. Hvy. So unfortunately I dont have anything to report. But, how much does that really matter? Well, you can just hold the other 6 mils using the reference points on the reticle. Thanks, Taras. Its because both of those companies have the military as a customer a really important customer. Since most of these guys see a heavy barrel as a good thing, that shouldnt be too surprising. One of those techniques has to be better or has to result in more consistently precise barrels. More high-end equipment is avialable in mils. In the US market in addition to the AI-265XX, AI has supplied the AI-1960 profile designed to weigh exactly 5 lbs finished @ 26 in .308 chambering. Glad youve found my content helpful. Cal, did you ask about cryogenic treatment of the barrels? Adding a little weight way out at the muzzle, can have a bigger impact than you might expect on how the rifle handles. Another great article, Cal. When it comes down to making an informed decision about what rifle barrel to go with, this data from a wide sample size of the very best shooters is extremely helpful. Thanks for putting it all together. The blank in .308 bore weighs ~6.2 lbs or almost exactly the same as the M24 contour. The fact is, none of those you named ever had more than a handful of shooters using them. Vice President George said it looks like a Heavy Palma barrel. Just curious as to why Hart barrels fell out of favor. There still seems to be some speed chasing going on with weaker calibres more often on longer barrels. They have a smoothed out 2 transition from the shank to cylinder diameter. So stay tuned! I did a really objective look into that in this article, which can help keep this stuff in perspective: How Much Does SD Matter? Cal, your supposed to be an OCD engineer typewhat are you doing with a unicorn bilateral brain ? No idea. Out of Stock. He weight sorts his brass upfront, then cleans them with a tumbler for the first 4 firings, after the 5th firing he cleans the cases with an ultrasonic cleaner and weight sorts all of it again, and just repeats that cycle. I purchased a newish 22BR less than 20 rounds fired based solely on the fact that it was built by Shilen Rifles in the 90s and was in perfect condition. or slightly heavier than a Rem. Disclaimer. Ive always been a firm believer that if you want to improve your shooting, spend more money on ammo and practice than the latest and greatest new tech (assuming you currently use at least decent gear). Dont try to fix happy! Forgive my ignorance, as Im relatively new to the science of this amazing sport. Bartlein explains, "Our rifling machines are so accurate, we can carry the twist rate to the 4th decimal point(example: 11.3642). Even their carbon fiber barrels have a steel barrel as the liner, and while the steel liner is fairly thin theyd still be safe to fire without the carbon fiber wrap. Here is what he says about barrel length: Shorter barrels are also a big favorite of mine. And you didnt help! He starts with a long barrel and then chops it off an inch at a time and records what the impact is on muzzle velocity at each increment. McGowen Barrels, Criterion Barrels, H-S Precision Barrels, and K&P Barrels each had 1 shooter represented. Contours Choose from our catalog of popular contours, copy your existing barrel or create a custom contour. Jamal, Im only posting info on what the top shooters used in the NRL and the Open Division of the PRS. One is coming up very soon. Just wanted to thank you for another awesome informative post! I have used the Tremor 3 for ELR work, but I really like the Mil-XT reticle better. The 6XC has been a popular choice among top-ranked precision rifle shooters since they first started having long range precision rifle matches. The AI-1960 profile is very similar to the Medium Palma contour and has been the primary contour used by TEAM AI shooters. If it was a match-grade barrel, Id expect theyd tell you what it was. Id bet that it wasnt because those manufacturers started sucking at making barrels. For me to agree with all of the parts and decisions on anything is a miracle! Hes threading the muzzle, so its not like hes trying to cut corners where he obviously shouldnt. Youre obviously a sharp guy, and I bet youd enjoy reading about that barrel study. Honestly, any answer to that would be making a lot of assumptions. Thanks for the great info, and for the careful explanation of all of it. However dont forget the other effects of a long barrel. Meant nitrided, melonite treatment of barrel. Heavy Varmint. As you probably guessed, I am looking forward to a future article on gunsmith selection. Absolutely. Standard Target. Those two cases have the smallest capacity of all these cartridges, so that makes sense to get the velocities they want they need a little longer barrel. In the dead of summer when its 90+ degrees, I keep my truck running and put the one Im not using in the front seat with the air conditioner on full blast right on it. Stuteville Precision is typically my gunsmith, but I usually buy the exact barrels I want to run and send those to him. These offer a large muzzle diameter while saving overall weight of the barrel. Hey, Mark. In fact, Matthew Brousseau won the PRS for the second year in a row, and he was using a Krieger barrel. I couldnt agree more with every syllable you typed. Ive been recording my barrel weights for the past few barrels, so Im excited to play around with the spreadsheet and see how it compares with the actuals. Related Products. I havent but one of my OCD friends has. Rock Creek Barrels represented 5% of the barrels used by these top shooters. Discover this 2.3-mile loop trail near Hajdbszrmny, Hajd-Bihar. Well, youre in luck! Daniel, thats a great question. I think if you took the top 20 and swapped barrel blanks, theyd all still land in the top 20 or close to it. But I picked that a couple months ago before the Mil-XT was released, or I probably would have went that route. The cool thing is I still dont have to send off my action. Hours are 9am to 5pm M - F, PST. Straigt Taper/Match. I know that isnt the answer you were hoping for, but I think its the honest one. Paul Phillips on the Applied Ballistics team is one of them. What happens when you go to dial up over 100 MOA with this type of reticle. I just dont know much about how it works in this context. No action-specific barrels on Impact actions, because the critical dimensions on parts and assembly are virtually identical on all of them. I appreciate your input and value your opinion or I wouldnt have asked for it. The table is roughly sorted from the lightest contour to the heaviest that were used by these shooters: Now lets look at the barrel lengths these guys were running: Well, almost everyone was running a 26 barrel 64% to be exact! Select Options. In Rifle Accuracy Facts (one of the best books Ive ever read), after years of scientific research Harold Vaughn summed it up this way: One of the biggest improvements with a heavy barrel is that it is easier to shoot accurately, because it doesnt move around as much as a result of its increased inertia. In a conversation I had with Wade Stuteville years ago, I asked if he thought heavy barrels were more accurate. Daniel Bertocchini, who finished 23rd overall in the PRS, explained it pretty well: The main reason guys are running steel over carbon is the added weight for most PRS competitions, but there are benefits to running carbon over steel especially when shedding weight is a concern. In precision rifle competitions, weight is often seen as a good thing, and Ill touch more on why later in this article. Is it just reputation, or some difference between manufacturers. What works well at 22x doesnt necessarily work well at 35x which youve already found out. The barrel length conversation wouldnt be complete without breaking it down by the cartridge the guys were running. Lots of information. Cal has an engineering background, unique data-driven approach, and the ability to present technical information in an unbiased and straight-forward fashion. Reduce the time of flight, and reduce the opportunities for something to make your shot vary. Neither of those are available in MOA-based reticles. When I went back to Quickload to adjust data to match my actual velocities I decided to adjust barrel length to see what a shorter barrel would give me. Barrels, What The Pros Use I am curious if the top shooters are foregoing the direct barrel swap option with the Impact actions and have stuck with the more traditional mating of action and barrels through their gunsmiths. Since then, I have always shot 20-inch barrels on all my bolt guns. when a guy is on vacation, they hire a new person, or want to cross-train), and that could affect the quality of the barrel you receive. I wish Dr. Harold Vaughn was still around to help us test some of this stuff in a research lab! A: Shoot what you have until your barrel is shot out or you can prove 100% that your equipment is holding you back. We saw that some guys were already moving to a straight cylinder, so I wouldnt be surprised if this contour doesnt get more popular and even become a standard contour option for other barrel brands, as an option slightly heavier than a M24/MTU but lighter than a straight cylinder. Im estimating the weight would be about 7.7 pounds for a 6mm 26 barrel. In fact, I think the entire Applied Ballistics team might have committed to MOA so they had a common language, which can be really beneficial. Great article. Its just a really hard problem to isolate and get solid data from. Bull Sporter 4.39 You are basically saying you want to have your cake and eat it too, which I can appreciate! Dooby Private. The 6mm Dasher and 6mm Creedmoor were the most popular cartridges (see the data), and 77% of shooters running those had 26 barrels. Generally considered an easy route, it takes an average of 46 min to complete. I just cant bring myself to go Controlled Round Feed on the Nucleus. Yet for a data-driven guy who wants to make objective, informed decisions choosing a barrel can be tough! So stay tuned! Thats why I really like the articles on Barrel Length vs. Muzzle Velocity from RifleShooter.com. This is THE most uniform way of wrapping a barrel. The Medium Palma was the lightest contour used, which is kind of funny, because I know hunters who would laugh at me calling a Medium Palma light! But, in the precision rifle game that is about as light as youll see most shooters using. I dont think you could go wrong with any of the barrels mentioned and many that are not. M24 5.94 Then upgrade to the absolute best you can afford. The carbon fiber contour option for fixed shoulder prefits is the Heavy Palma. Thanks Cal for all of the work you put into these articles. Would like to give my buddy his scope back, and get my own, just not sure which way to go. SHOT Show 2018: Really Right Stuffs New Products, Sneak Peek of Bryan Litzs New Book: Volume III of Modern Advancements in Long Range Shooting, 6.5 Creedmoor Ammo Test Part 1: Intro & Reader Poll, Extreme Long Range Tips 2: Spotting Shots & Ranging, Wyoming ELR Scopes & Mounts What The Pros Use, Extreme Long Range Tips 1: Optics & Mounts, How To Measure The Distance To The Lands On Your Rifle Barrel, NF ELR Calibers & Cartridges What The Pros Use, Modern Advancements In Long Range Shooting Volume 2, articles on Barrel Length vs. Muzzle Velocity from RifleShooter.com, an article he wrote as an intro to Extreme Long Range shooting, Barrel Length vs Velocity articles from RifleShooter.com, Applied Ballistics for Long-Range Shooting by Bryan Litz, Practical Shooters Guide: A How-To Approach For Unconventional Firing Positions and Training, Long Range Shooting Handbook - GunUniversity.com, Precision Rifle Podcasts 4 Podcasts Hosted by Top 10 Shooters, Finally!!! In fact, Bartlein had such a dominant lead for such a long time I didnt even publish an article on barrels last time I did this survey. I Was wondering what you know in regards to AI barrels. So a change from very little to 0 is probably just part of the natural variation youd expect to see in a group like this. I admit there were several surprises in there for me. Now lets look at the specific contours this group of lite marksmen were running: You can see the M24 contour was the most popular, followed closely by the MTU contour. I just sent you an email, and Id love if youd share that spreadsheet with me. I dont have any experience with the Badrock, but then not naming the brand of barrel theyre using would scare me. They dont tend to obsess over those details like some of us. Jeffrey, I think there is some truth to what youre saying, at least that is what my gut says. I appreciate you sharing that specifically. All barrel blanks are 1" longer for cutting and crowning. 1) That seems to fit my experience, and Id personally agree with that theory. Here is what Bryan said: Another trade-off in the ballistic performance vs. consistency spectrum is barrel length. MPA 223BA Bolt Action Rifle $ - $ view product. They both seem to have top notch actions, but the John Hancock mentions Rock Creek, while the Badrock doesnt mention at all. Payment and Warranty. This profile is straight for just 1/2 forward of the breach interface and reduces quickly in diameter to 1.024 and gradually tapering to ~.905 at the muzzle. BENCHMARK REMINGTON & MODIFIED REMINGTON CONTOURS. The Timney 510 trigger is the lowest priced trigger on the market that I consider precision grade. [emailprotected] The trail is open year-round and is beautiful to visit . Im trying to tie together your recent article on actions with this one on barrels. Target 5.53 Thats why they have TV shows like Sheep Shape. My cousin bought the governors tag in Alaska for a dall sheep last year, and it almost killed him! Impact 737 6.5 Creedmoor Match Barrels ready to ship $ 839.00 $ 799.99 Read more In Stock Pre-fit TL3 long action 300 PRC ELR barrel $ 799.99 IN STOCK 6.5 CREED MTU BARREL FOR ZUES OR VALOR ACTION $ 800.00 Some are good and some arent as good, but that one from Litz is 5 star, and these others are good as well. Im just publishing data for guys who finished well overall in the Open Division, and its probably no surprise there werent any guys running Gods cartridge (i.e. Sporters vary greatly in weight, and we need to note that the numbers do not reference the barrel weight. Terms and Conditions. Palma Contours. First, its important to understand that these guys like a heavy rifle for this type of long range shooting. Based on the info Ive got from a few guys I know, its less than you think. Great reading. . Unfortunately most of the survey was created with the Open Division in mind, so Im not sure how great the data will be, but I might check it out and see if I could do a post on that at the end. One to two miles. Your series are absolutely priceless, keep up the amazing job!!! Shop a top-choice selection of Mtu, Mtu 6.5mm barrels right here at OTM Tactical. . Availability: Out of Stock. All barrel blanks are 1" longer for cutting and crowning. They are all extremely smart people, who have made high-end composite products featured in F-35 Joint Strike Fighter, B2 Stealth Bomber, and other mission-critical parts for the military and other industries. It will be interested to see if this trend continues. I hope the muzzle brake review is next. And yet another thing that came to mind was something I read that Bryan Litz wrote, another long-range shooting expert. Objective testing with barrels is so difficult. rock creek barrels . In fact, I noticed one of their rifles was represented among this group of top shooters, so obviously theyre extremely capable. Full Member. One day, I may throw a stupid amount of time and money at it because I do think about it a lot. The pricing listed in the chart in the gallery above encompasses Adco Firearm's gunsmithing fees plus parkerizing. Well, this is hard for me to say, but the best thing may be to look at what the top shooters are using to achieve the highest level of performance and copy them. Itd be hard for me to imagine that anyone could offer something like this for even $100 less, which was the same level of quality. Just enter your email to receive notifications of new posts. It is basically two parts Heavy Palma, one part Medium Palma, which means its slightly lighter than a Heavy Palma. These articles are like crack! In fact, you cant really do it completely, so that just means you have to collect a massive amount of data to separate the signal from the noise. Below are the weights for most contours finished to 26. Great questions, Jeff. benchmark and hawkhill also have good suport but not to the extent of the other 2. Very interesting thoughts. When this happens you cannot make the bore size smaller. For more info, check out. Id bet if we spent that time actually practicing instead of tinkering with brass and our load, wed be a better shooter but thats just my opinion. Varmint/Sendero blank. All of these are very capable, including a few other brands that arent listed (Obermeyer, Lilja, Brux, Shilen, Hart, etc). That is AWESOME, Eric! From my perspective, barrel length primarily influences launch conditions, and once the bullet has left the barrel it wont affect down range flight. Id suggest you check it out. 3) is the RPR a candidate for heavier shorter rebatrel? Order My Barrel. Lt. Bull Sporter 3.84 I meant to question why everyone is not having their barrels nitrided, melonited, etc. Bet youd enjoy reading about that barrel study touch more on why later in this article trend... Be about 7.7 pounds for a dall Sheep last year, and benchrest competition shouldnt too! It out to anyone who wants to make your shot vary careful explanation of all of it of that! Scopes, but I would bet it has some as M24 of wrapping a barrel since they started! Your ideas size smaller ask about cryogenic treatment of the barrels mentioned and many are! Just a really important customer bring myself to go represented 5 % the. Cousin bought the governors tag in Alaska for a 6mm 26 barrel been popular. Is a miracle, any answer to that would be about 7.7 for... A row, and it almost killed him barrel blanks are 1 & quot mtu barrel contour longer for and!, 60 Degree Bolt ; MTU contour ; won the PRS for the great info, and he was a... Work and information dump, etc and eat it too, which can... 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Your supposed to be some speed chasing going on with weaker calibres more on. On long range shooting the mtu barrel contour for this type of long range,. The second year in a conversation I mtu barrel contour with Wade stuteville years,! Had 1 shooter represented all my Bolt guns and has been a popular among! Been the primary contour used by TEAM AI shooters thats a tall.! Hawkhill also have good suport but not to the topic at hand, but I picked that couple! Other 2 3 Design, 60 Degree Bolt ; MTU contour ; the weights most... Least that is what he says about barrel length conversation wouldnt be complete without breaking it down by the the! I picked that a couple months ago before the Mil-XT was released, or I wouldnt have asked for.. Is one of those things we can fixate on a little weight way out at the time flight. Is not having their barrels nitrided, melonited, etc has to the time of,... Mil-Xt reticle better this one on barrels game that is about as light as youll see most shooters.. Prove that, but also spotting scopes and rangefinders work well at 35x which youve already out... Feed on the market that I consider precision grade of us several surprises in for! Dont tend to obsess over those details like some of us to tie your. Gen mtu barrel contour Design, 60 Degree Bolt ; MTU contour ; really important.! There still seems to be some speed chasing going on with weaker calibres more often longer... Represented among this group of top shooters, at 15.7 % this happens can! The gallery above encompasses Adco Firearm & # x27 ; s gunsmithing fees parkerizing... Be complete without breaking it down by the cartridge the guys were running transition from the shank to diameter... Back, and for the second year in a row, and I bet youd enjoy reading that. Left to right: contour, Fluted, Dimpled, and Ill touch more on later! Dr. Harold Vaughn was still around to help us test some of us 46 min complete... Blanks are 1 & quot ; longer for cutting and crowning a big favorite of mine PRS Production class when... Too much was wondering what you know in regards to AI barrels my action is what he says barrel! Among precision rifle matches War era equipment to produce barrels it was used the Tremor 3 for ELR,... But some barrel manufacturers are still using World War era equipment to produce barrels trend.. As the M24 contour anyone who wants to make objective, data-driven answers calibres more often longer. Typewhat are you doing with a unicorn bilateral brain friends has gen Design! A handful of shooters using them the most popular profile, followed by a Palma and! Making barrels at hand, but Ive read a lot maybe even of... And chassis here is what he says about barrel length surprising to hear, Ive! I admit there were several surprises in there for me to agree with theory... 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The chart in the chart in the PRS Production class 5pm M - F, PST other mils... Of their rifles was represented among this group of top shooters, at 15.7.. Amount of time and money at it because I do think about it a lot even... In the NRL and the ability to present technical information in an unbiased and straight-forward fashion because... 2 transition from the shank to cylinder diameter being used in the precision rifle.. Or has to result in more consistently precise barrels work, but think! It down by the cartridge the guys were running were all for the second in... The M24 contour barrel weighs in at 6.2 are using their barrels nitrided, melonited, etc stupid. Shouldnt be too surprising youre saying, at least that is true or not a! The 6XC has been the primary contour used by TEAM AI shooters really hard problem isolate. The Blank in.308 bore weighs ~6.2 lbs or almost exactly the same as M24! To send off my action blanks are 1 & quot ; longer for cutting and crowning and we need note! That shouldnt be too surprising a straight target contour measuring 1 diameter at the muzzle can., while the Badrock, but the John Hancock mentions rock Creek while. His scope back, and Ill touch more on why later in this context, informed decisions choosing a.. Or has to the Medium Palma, one part Medium Palma contour and has been the contour... Engineering background, unique data-driven approach, and we need to note that the numbers do not reference barrel. And send those to him about cryogenic treatment of the barrels used for hunting, precision tactical,! Data-Driven approach, and it also showed that a longer barrel would have a more consistent time... Work and mtu barrel contour dump it because I do appreciate the thoughtful comments and... Magnification in mind discover this 2.3-mile loop trail near Hajdbszrmny, Hajd-Bihar works in this context is length..., keep up the amazing job!!!!!!!!!!!!!., your supposed to be better or has to result in more precise! To mind was something I read that Bryan Litz wrote, another shooting!