22 creedmoor barrel life

I ran the numbers on the 45-70 I carried to Africa last year. Putting an additional 14 grains of powder behind the same bullet and bumping pressure up another 2,000 psi cuts barrel life in half. Patrick's .22 Creedmoor was built by Little Crow Gunworks on a Remington 700 action using a PROOF Research barrel and Stocky's AccuBlock EuroMatch adjustable cheekpiece laminated stock. Next post: The Kimber K6 Deep Cover The Snubnose for Today, Previous post: Primary Arms MD-25 Red Dot Review, Your email address will not be published. An occasional shooter may still enjoy years of successful shooting beyond this point, however precision will gradually decline, until eventually reaching a point where precision and accuracy is no longer satisfactory. Evidently they have a thin jacket. This allows for fast and accurate second round corrections, which is a big advantage while hunting or competing. Bullets being an entirely application-driven choice makes it difficult to suggest one, but if you're looking for top choices for the 22 Creedmoor they would easily be the heavier of the class such as 75gr hornady, 80gr SMK, or 80gr Berger. Mason? I have to say, the best part about shooting the Meredith 22 CM is that its just fun to shoot. The choice will depend on the individual user and the quality of Alpha brass. $269 after rebate is a no-brainer price for a donor action. I will try again later using faster burning powders but for now back to the proven. The general "rule" about barrel life concerns bullet diameter versus the cartridge's shoulder diameter ratio. This is known as a barrel log. Jeffs current endeavors cover a broad spectrum and he can be found anywhere from local matches helping and encouraging new shooters as they develop their own love of the sport, to the dove field with his friends, a charity sporting clays shoot, backpack hunting public land in Montana, or the winners podium of a major championship. There is also 22 Creedmoor SRP brass available offering small rifle primer holes for shooters preferring small rifle primers. Both these rounds are considered fantastic for long-range shooting. Just FYI. It should now be apparent that there is no easy answer to how many rounds a rifle barrel can fire before accuracy declines; there are simply too many variables involved. Who do you know who has enough guns? If barrel life is of a concern to you, use the advice given above on how to increase your barrels lifespan. Made to order we strive for a 2-3 week turn time when blanks are on hand (please email/call for current availability), we get Bartlein blanks weekly so lead times do vary. Please be sure of your Savages' shank size before placing . Thank You! If you get open shots at deer, those little hollow points really ground them. Excellent ballistic performance. The tough northern coyotes we hunt have a reputation for taking some vicious hits and then just getting back up to run off. Also Im just getting in to Metallic reloading and Thorley enjoy it, thanks for the heads up on making loads a bit lighter to save the barrel. Gun Cases . The area of the chamber just forward of the web on the original [] I bought some Peterson 6 Creed brass ( seems to be very good brass) and have been trying to use RL26 with CCI 400 AND 450 primers and it's been very unfulfilling with wild velocity swings. A new, stainless steel barrel finished and installed should run you from about $500 to $1,000 depending on length, contour, brand, and who's doing the installation. The now super popular Hornady 6.5 Creedmoor case is no exception to that rule. Note, I shoot without stopping so much so that bullets will discolor sitting in the chamber. It flipped him over backwards and he never so much as twitched his tail. Personally for most other field competition shooting for distances below 1000 yards, we recommend the 22 Creedmoor above almost all other cartridges. A barrel log should be kept for each rifle in your Shooting Record Book, or Field Data Book, and may also be stored on an electronic copy or cloud drive for safekeeping. Using gunwerks 6creed brass and fed 210m primers. Yes deer are half the size of a man and do not have body armor but even the mostly ignorant DOD civilians are letting the military look at larger calibers than .22 because of lack of long range effectiveness. For PRS you dont actually need all the speed the 22 CM has to offer from longer barrels. Winchester Model 70 Super Grade AAAA Maple Walnut - 6.5 Creedmoor - 22" . To put it into context, a credit card is around 0.032" thick, so the amount of erosion we're talking about over the life of a barrel is barely more . I am having the action trued up and will be bedding it into either a Savage laminate stock or an H-S Precision composite stock. I learned a few things from it, in the Marine Corps we kept barrel logs for our M40A1s. There are SAAMI specification available for the 22 Creedmoor parent case, the 6mm Creedmoor, and in turn also the 6mm Creedmoor parent case, the 6.5mm Creedmoor. Is Cheap Thermal Worth It? In MY worthless opinion, if you have 5 or 6 REALLY accurate rifles for varmint hunting, and at least a couple for EACH larger animal you hunt..then the same for various target sports..then you really have all the calibers and guns that you will have any USE for. We were all enlistedour CO/Officer in charge was an Ensign straight out of the Naval Academyand he was in agreement with all of his men (us)that this was cake duty and that God is the benevolent supreme being by stationing us there temporarily on TAD. The oldest actual proof of the 22 Creedmoor caliber in a rifle, being an image uploaded on a McWhorter Custom Rifles blog post about the 22 Creedmoor caliber round and the speed achieved by one shot on 22 September 2012. Satterlee Scott. The 22 Creedmoor finds itself in the perfect configuration for functionality with heavy bullets within short action magazine system limitations. From the loaders manual, the stated velocity was 3300 FPS. I HAVE shot the bbls out a a few older models, which is WHY I went to the 22-250. The ability of the heavy .224 bullets to retain both velocity and energy at long distances makes this . 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. All with R26. Shop; Reference Material; Ask A Question; Join Facebook Group; Shop; Reference Material; Ask A Question; Join Facebook Group I think I over cooked the cream of wheat. I thought that might be the case just wanted to confirm. Possibly GA Precision could prove to be the oldest if they can provide documented evidence of their 22 Creedmoor reamer, or rifle being made before then as SnipersHide user KYS claims, but we are merely going on evidence found through search so far. I stopped buying them after a while..its just repeating over and over. It seems like a futile venture to me personally. Heavy bullets are. I truly dont believe a senseable person would use ANY .22 caliber rifle for deer hunting. The 90gr smk has almost the same B.C. energy at a recoil velocity of 12 fps. Farthest was about 140yds, bullet still passed completely through, exiting through the far shoulder on a quartering away shot. A chronograph for example, mostly only a rare expensive piece of laboratory technology a few decades ago, is now part of almost every precision shooter and reloaders equipment, and a very affordable one at that. Using 1000 yards as a distance benchmark, the 6mm CM drops 8.1 mils, and the 6.5 CM with the Hornady 147 ELD-M drops 8.7 mils. The 22-250 will have a much shorter barrel life than the 6.5 CM. The store will not work correctly in the case when cookies are disabled. Increased barrel life compared to 6mm Creedmoor. The throat is the part of the barrel where the bullet exits the cartridge and begins the rifling process, or in simpler terms, where the rifling begins. I loaded up 200 rounds with fireformed 22-250 Lapua brass and 45.5 grains of R26. Shooting heavier bullets at more reasonable velocities also calms some barrel-burning qualms. All load data for reference only. Thought I'd post this here since there was discussion of barrel life. At our 22 Creedmoor muzzle velocity of 3550fps the Hornady 75gr ELD-M bullets produces around 2099 ft.lbs of energy, taking it close to medium 6mm bullets or light 308 Winchester rounds. Mark I shoot a 22-6mm rem which is a touch faster but very similar in performance. The 22 Creedmoor's' standard is a 1-in-7/1-8-inch fast-twist barrel, combined with the increased case volume to push long and heavy .22 bullets at over at 3,450 feet per second. This may continue until eventually the rifling is not longer able to stabilise the bullet, and you will notice sideways impacts of the bullet on targets at all distances, even those placed not far from the muzzle. For instance, 22 LR's can go much further than 5-10K, while 223 types can burn out in less than 1K. No doubt it could be run hotter, but I don't believe the 22 Creedmoor should be ran above 3500fps with an 80gr, even with this amazing brass from Alpha Munitions. For me, the Varget/69TMK was almost an accident, but its showing good numbers, and superb accuracy. Thank you!! Such as the 22-250 as mentioned before, (that I have loved for over 45 years now!) Maps & Charts . I first heard of it from a friend that said the 22 CM came in the top 3 in a first-round hit capability study he had read. The gun has NO recoil, and is downright easy to hit targets with due to the flat trajectory and outstanding wind-defeating bullets. For a better experience, please enable JavaScript in your browser before proceeding. You've earned the right to shop tax free and enjoy FREE shipping! The 22 Creedmoor trim length for cases is 1.910. Yet the 22-243 had obstacles of its own, with it often having somewhat narrow and finicky accuracy nodes. All harvests have been one shot kills. The notable difference is .22 CM rifles are normally equipped with faster rifling twists to stabilize heavier, higher BC bullets. Why is this? So, was a 22 CM worth spending the time and money to build? Anyone try the custom whiddens? With a 22 BRA (22 BR with 40deg shoulder) youll have plenty of velocity. The Springfield Armory Waypoint 2020 rifle is an exceptionally accurate rifle. Our hair was long, wed wear cut off Navy dungarees, (jeans), Navy chambray shirts with the sleeves removedwe would shoot enormous amounts of ammunition, we basically looked like 180 degree out of phase squids>>>(sailors). Depending on size of the game hunted, but generally you will often hear most industry authorities recommending 6mm, 243 Win, 270 Win for any smaller CXP2 type antelope, and 30-06 Spingfield or larger for CXP3 medium to large game. The answer also relies heavily on your goals; a benchrest shooter will consider a barrel shot-out long before a hunter will. We would even recommend it above 6mm competition calibers in precision shooting matches under 800 yards other than PRS matches with their 3,200 fps limit. Semper Fi. I have personally taken a large Zebra male with a clean headshot with my 22CM shooting a 75gr Hornady ELD-M at 3650 fps, it dropped right on the spot. Look at the 22 creed as an ackley'd 22-250, you can actually fire form brass if needed. You must log in or register to reply here. I'm rough on my barrels but since I can rechamber myself I don't worry too much. Life Jackets . UPS has officially stopped shipping guns? The cartridge and rifle perform well with my handloads or the factory available ammunition. Both of them usually have a 22 Creedmoor for sale and in stock. -Craddock Precision, That this Barrel is Custom Made to Order, If the Blank is in stock it will get turned soon, 6-8 month lead times are to be expected, if Blanks are not in, we then strive to ship your Barrel as soon as we can! When I must neck down a cartridge, I typically start with a bushing die and use various bushings to get the desired result. I have rifles chambered in both 6.5 and 6mm Creedmoor (CM) but the 22 CM has captured my attention. A benchrest shooter will consider a barrel shot-out long before a hunter will. The only thing I wish I had done is to get a brake put on it. Plus I hand load HOT for that round as well. The reason this cartridge stood out in the first round hit study, is because these heavy for caliber bullets have relatively high ballistic coefficients, and can be launched at fast speeds resulting in less wind and elevation corrections being required. The Creedmoor has a maximum SAAMI pressure of 62,000 psi and the PRC has a max pressure of 65,000 psi. But I am interested in this apparent incongruity. The gamut ran from .22 to 20 MM. The energy of the 250 grain 45 caliber bullet at that distance was only 630 ft-lbs. +2" rifle length. Why was it not compared to any of the mainstream big boomer .22 calibers, e.g. (Even if they are NOT improvements worth mentioning!) This was a super accurate load but rather slow for this cartridge. This rifle is an absolute nightmare on Coyotes, Feral Hogs, Prairie Dogs, and Whitetail Deer. With long range precision shooting becoming increasingly popular amongst rifle owners throughout the world, barrel life expectancy is often a question of concern, particularly amongst new buyers. If you are gun-savy and have a barrel vise, a Savage barrel nut wrench and the corresponding chambers' Go gauge, you have everything you need to correctly change your Savage barrel. The 22 Creedmoor will come standard with a 1-in-7-inch fast-twist barrel, and combined with the increased volume inside its case, you can push those long pills over at 3,450 feet per second! This helps us keep this site going, and does not affect the price you would pay usually in any way whatsoever. 2,959. He is passionate about shooting sports and the outdoors. I then send those pieces of fired brass off to Whidden Gunworks to have a custom full length sizer and micrometer seater die set made. I did group it against one with far less rounds and it did not group as well. Anyone have load data for 22 creedmoor 50 gr. My main 26" barrel is pushing 80gr Berger's at 3525fps and is relentless inside 800yds. Copper creek will have it along with loaded ammo using the 75gn Hornady eldm. For a varmint cartridge, 95% of your shots will be inside 500 yards, and probably 80% inside 300. Everyone is in the .45 ACP vs the tiny 9mm for a couple of years..then they ALL switch to the side of the deeper hitting 9mm! Note, I shoot it like I stole it. It really doesnt out do my 22-250AI, its probably going to be used for something else. It is my feeling that Alpha Munitions OCD 22 Creedmoor is the best presently available. And finally, as demonstrated by the example above, shoot less-powerful cartridges. How does 22CM compare to a 22-250 with a 1-7.5 twist ? This is starting to become my go to gun for general purpose hunting and gong competitions. MFG #: FCTR22CM24BF. All of these Creedmoor cartridges are truly great long-range rounds when compared to the old military/police standard 308. $65.75. Now we have Alpha Munitions producing factory 22 Creedmoor brass, and the stage is set for a complete takeover of the big 22cal scene. A 22 Creedmoor for deer will work as well as any 6mm or 6.5mm caliber, and sometimes even beter out at longer distances. I was able to get a very consistent load with an 80gr Berger VLD Target in the 3450fps range that produced 45 firings on the brass. At our 22 Creedmoor muzzle velocity of 3550fps the Hornady 75gr ELD-M bullets produces around 2099 ft.lbs of energy, taking it close to medium 6mm bullets or light 308 Winchester rounds. You may wish to shoot moly-coated bullets to extend barrel life. The 22-250AI was always an option, but many folks weren't accepting of fire forming. Like most things Creedmoor the performance of the CM is exaggerated by pitting the highest BC bullets against standard 308 bullets and even getting that data completely wrong. Features: Bolt Action, 6.5 Creedmoor, 22" Fluted Stainless Barrel, SA Radial Brake, Green Co. Springfield Armory 2020 Waypoint - For Sale - New :: Guns.com 3/3/2023 . Gun writers simply ran out of stuff to write about..and manufacturers ran out of new and improved items to sell. I know that huge advances in rifles has taken place since the 1970s. The 22-243win and 22-243AI I was shooting have found themselves virtually untouched, while the 22CM has dominated coyotes in a way no other 22cal has before it. However, the big question for hunting, is if the small diameter bullets have the energy needed to make clean kills. but part of the reason is because I could only get a head on shot to the chest. I've worked up a couple different loads with slower powders. Dies, brass are coming out now, powders and GREAT bullets are already here. There have been many new cartridge designs, that came, and just died again silently, the 22 Creedmoor however seems to be here to stay, and has only just started gaining momentum. This against a lot of critique among seasoned shooters and [], There are multiple different case head sizes for the various cartridges. 45.8gr RL26, 80gr eld, Hornady brass, cci200. Fierce Firearms FCTR22CM24BF CT Rival 22 Creedmoor Caliber with 4+1 Capacity, 24 in Carbon Fiber Barrel, Black Cerakote Metal Finish, & Forest Green Fixed Fierce Tech C3 Stock Right Hand (Full Size) Hinterland #: 174586. So what is accurate barrel life, and how do we determine a barrels life expectancy? Jeff is intimately familiar with the shooting industry competitor, instructor, RO, range master, match director. What is the MSP. Bullets 1-8 twist. The 22 Creedmoor ballistics, beating out those of the .22-250 and many other fast .224 caliber cartridges, are what is drawing more people towards this cartridge lately. For those wanting to know more about the .22 Creedmoor, check out this video we put together for you below! The point of this wildcat is to use heavy for caliber bullets, which most if not all of the old 22s cannot do. The same brothers that forged Thor's hammer Mjolnir. The 22 Creedmoor is quickly establishing itself as the go-to big 22cal. Survival Gear . A highly accurate, easy to shoot rifle with a flat trajectory will make for confident hunting. What the 22 Creedmoor has succeeded in doing though, is dethrone the venerable 22-250 as the king of varmint and coyote calibers, offering more speed, and the ability to shoot heavier and longer bullets with better ballistic coefficients. Thats some great information, i figure my barrel will be lucky to make it to 1000rds, 800-1000 seems to be a trend, Im running test with the 4831sc this weekend, and I think I low balled myself compared to those loads you posted, we will see, once again thanks for contributing, this really is one bad ass round. BAck in the 70s we used to shoot 85gr Sierra hollow point boat tail bullets in our 6mm Rems. Do you think 45gr of R26 would be a good starting point? A MAGPUL magazine well kit was added. As a sponsored shooter, Jeff has represented notable industry names such as: Benelli, 5.11 Tactical, Bushnell, Blackhawk, DoubleStar, and Hornady. It's an 1:11 finished at 28". For a better experience, please enable JavaScript in your browser before proceeding. With all the more appropriate cartridges out there, why anyone would use a barely capable 22 caliber class round on medium sized game is beyond me. This item can be shipped to United States. The fact that several vendors are manufacturing 22 CM brass certainly makes handloading simpler. Try the 22-250 Lapua brass. These cartridges include (from left) the .22-250 Remington, .22 Creedmoor and .22-250 Ackley Improved. You can also use Lemi Shine ultrasonic brass cleaners. I'll elaborate more on 25 Creedmoor in future stories! You are quite wrong about using 22s for medium sized game. Allow extra time for your barrel to cool between shots, and avoid rapid or sustained fire where possible. Name Phone Number Email Message One of the easiest ways is to select a cartridge load that does not necessarily produce the fastest muzzle velocity, but rather considers barrel life versus effective range and stopping power; settling on a favourable compromise. They could be into competition shooting and need a cartridge that will give them a competitive advantage. Compounding the problem though is the fact its so fun to shoot, and that its 22 caliber makes it much cheaper to shoot than my larger calibers as well. About the author: Savage pre fits come in 2 shank sizes; Standard (small) Shank / 1.058"-20, Large / 1.120"-20. A barrels life expectancy is caliber dependant, and may range anywhere from 1000 rounds to 6000 rounds or more. 22 Creedmoor. Just as they were done, Loki, disguised as a fly, bit Sindri on the elbow causing all 6.5 barrels forged to wear out at 4000 rounds but be extremely accurate When you hit a deer you could hear a loud Thwapp! The performance of the 22 CM with 75 80 grain bullets makes it an outstanding varmint cartridge. The gunsmith would need to preferably have a 22 Creedmoor reamer to create a chamber in the barrel for it, however some advanced gunsmiths can turn a chamber based on a 22 Creedmoor brass case. Considerably less powder, longer barrel life, slightly less recoil, and I bet it will be easier to tune. Just thought I'd update here. This would make him the first documented person to suggest a 22 Creedmoor cartridge on record. Your favorite large rifle or small rifle magnum primer. Heres my issue or more correctly, just a question. The original 6XC chambering was designed based off the usage of 22-250 brass which typically has a web diameter in the range of .461-.463. My Rifle isnt Shooting Right: What to do? So I'm wondering if your guys are getting that number? Ive been shooting the 6mm Rem our of my old 788 for well over 40 years. Shop Odin Works 22 In. Our one member has personally taken a large Zebra stallion with a 22 Creedmoor, shooting a Hornady 75gr ELD-Match bullet at around 3650fps, with a well-placed clean head shot as can be seen below, with a tiny entrance and quarter sized exit wound, and blood streaming out the ear showing a good brain expansion. I know guys that run anything from 22-26" barrels, 1-6.5 to 1-7 is what you'll need for the heaviest bullets. The bullet diameter is .224, the same as any other .22 centerfire cartridge like the 223 Rem., 22-250 Rem., 224 Weatherby Magnum, 223 WSSM and 220 Swift. This so far is the oldest actual documented mention of it, but with the image of the cartridge loaded and shot on range from McWorter Custom Rifles showing them as the oldest actual documented builder of a rifle able to shoot it. The above load results show us the following: Some other methods of increasing a barrels life and reducing throat erosion are as follows: Barrel life is monitored by keeping a record of all shots fired through each barrel. Since individual rifles can vary I dont know whether it was wear or not. Very long barrel life; Cons of the 6.5 Creedmoor. This is my favorite rifle, too. Didn't think I'd ever say that over my weatherby's but it's true. Proudly powered by. #3123699 - 01/17/18 12:34 PM Re: 22 Creedmoor [Re: thoms715] CZ527 Die Hard Member III Registered: 12/25/14 Posts . I know guys that run anything from 22-26" barrels, 1-6.5 to 1-7 is what you'll need for the heaviest bullets. Casing Type:.22 Creedmoor LRP (Large Rifle Primer) Casing Trim Length: 1.910" Primer: Federal Large Rifle Magnum Match (GM215M) Rifle Firearm Used: Horizon Firearms .22 Creedmoor Barrel Length: 24" Rate-of-Twist: 1 in 8" Casing Manufacturer: Peterson Cartridge Co. Casing Type:.22 Creedmoor LRP (Large Rifle Primer) Casing Trim Length: 1.910" As soon as any new cartridge hits the mainstream market, hand loaders start tinkering with it making wildcat variations. I believe they will be doing a full production run of 22 Creedmoor in the next 45-60 days if not sooner. Im running the heavier bullets, typically 88 or 95 grains. Getting to 22CM from 6CM is a straight forward pass through a FL die. Barrel life, according to most precision shooters is basically the number of rounds expected before the rifle shows inaccuracy of more than one MOA. Want One? The Hornady 250 grn FTX worked well on a large Black Wildebeest at 296 yards, the first shot took it down, the second ensured it never got back to its feet. And barrels cost less than new truck tires! The first rounds I loaded were made by necking down readily available 6mm CM cases before 22 Creedmoor head-stamped brass was available. This left the straight neck-down of the rather vanilla 22-243win the most appealing option for those wanting more 22calperformance than a straight 22-250 would offer. A .250 diameter neck will typically provide desirable results for both as long as you are running an expander ball of the appropriate diameter in your die. Ensure correct methods of cleaning and maintenance. 370. Maybe not the article to raise this point. It's a cool cartridge for sure. APR Maverick 22 Creedmoor - Alamo Precision Rifles APR Maverick 22 Creedmoor Sold! Please keep this thread to actual reloading information, and if you can please post some round count, barrel life numbers are all over the place. Making brass from 6mm creedmoor is simple and quick. Getting quality headstamped brass with no fire forming is what sets the 22 creedmoor apart from the 250ai. My buddy has one. Not so likely. Reviewer Jeff Cramblit built a 22 Creedmoor rifle and tested it with a variety of bullet weights. I went through Scout Sniper School at Camp Pendleton in1969 and my rifle had over 10000 rounds through it according to my log book. starting my build and have decided on this caliber. Note: the following data does not necessarily demonstrate the most accurate load (or node), but rather demonstrates how barrel wear can be reduced by altering the propellant load. The Cross Timbersor Yukon, OK, whichever blo, Savage Small Shank Barrels 6.5 Creed 7 SAUM, PROOF TL3/Origin 6.5 Creedmoor 22" w/Hunts Lug, Noob question regarding making 22 creedmoor brass from 6 or 6.5 CM brass. I just decided to build a 22-250. For what this is worth, my load above shoots great with Hornady brass but as with most tinkers I wanted to try some loads using small rifle primers. Ammo, Good news Petersons 22 Creedmoor brass is very good so you dont even have to neck down brass. For reference, I shoot 155's at about 3030 fps in my .308's, and generally take them off at about 3500 rounds. For the third purpose, hunting deer sized game the 22 CM will certainly shoot far enough flat enough to get accurate hits. You can also neck 6mm Creedmoor down to 22cal easy enough. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); The 6XC II Chamber works perfectly with the Norma 6XC brass and resolves the sticky bolt lift issue. What is my Rifles [Accurate] Barrel Life Expectancy? 1.150, 980, 875 GB, 850. View Details . If I was going to build another one it would be on a 1-7 twist barrel just to try the 95gr smk. . In the recent few years, it feels like a new rifle cartridge is coming out almost monthly. I know several folks including myself have been playing with the 22 creedmoor for a while now. Im up to 3 pronghorn and a pig with my 223 shooting 70 grain tsx, at reasonable ranges. Not a trace of it. The long slender bullets have good sectional density, so they will easily get the penetration needed to reach the vitals of thin-skinned medium game. Ethical hunters dont do that because we all know that the opportunity for perfect shot placement is the exception not the rule; particularly in brushy cover. Ive done a few and personally shoot mine with the following please be advised this is my load and my rifle safe max.. start lower and work up please. Home What is my Rifles [Accurate] Barrel Life Expectancy? But that's not the main selling point. Want to become an expert on reloading, or just gain the knowledge needed to get started, here is a list of the best reloading books available. SMFH. Our 22 Creedmoor is loaded to fit in rifles running the standard .081 freebore or longer. The net result is the 6mm BRX []. But the popularity of this round, although not gaining momentum as fast as the 6.5mm Creedmoor, or the new 224 Valkyrie has (admittedly because it is not marketed as much by manufacturers because it means normal current Creedmoor rifles can easily be converted to 22 Creedmoor), is starting to gather speed. When did the 30-30 change from a brush gun to a 200 plus yard tack driver?? . A barrels life expectancy can vary vastly from one caliber to the next. Great idea. Feature Articles, It was great fun and freedomand lasted until my enlistment was up. I have also been shooting a .260 Rem out of a M700 for almost as long. Edit May 2022: After researching for the origins of the 6mm Creedmoor, I stumbled upon an even earlier post, where member skeetlee started a thread first suggesting necking down a 6.5 Creedmoor to a 6mm, an then later joked about also just doing it in a .22cal version.

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