So my son is ready to upgrade from his starter gun (Rem youth model in 7mm-08) to a new gun which will handle most of his hunting for many years to come. Comparison between the 7mm-08 and the .270win. I also have a 26" #1 contour 270 barrel on order from Kreiger, which will arrive too late for this year, but my plan for this winter was to build a 270 that got near 7mag velocities. It’s unclear exactly why Winchester decided to go with .277″ instead of .284″ bullets with the .270 Winchester. The .270 Win was developed from the .30-03 casing which many popular cartridges have been derived from. So a .270 WSM Winchester Short Magnum round exits the barrel with kinetic energy equal to the energy required for linear vertical displacement of 3170 pounds through a one foot distance, while a 7mm-08 Remington round exiting the barrel has energy equal to the amount required to displace 2450 pounds over the same one foot distance. Aside from that, combined with the significantly lower recoil (think 30-06 vs 308) and faster lock time, 7mm-08 will be a far easier calibre to be precise with let alone easier to carry around. The .270 Winchester was introduced in 1925 where it would stay in relative obscurity for a time. The Barnes stuff is great until it gets below its expansion threshold. Unlike all the other popular 7mm cartridges like the 7mm Mauser, 7mm-08, 7mm Remington Magnum and the .280 Remington that use .284″ bullets, the .270 Winchester uses .277″ bullets. I would much rather be dead on accurate at 200 yards, With a 130 gr. As each bullet tears across the steel under incredible heat and some 40,000 to 64,000 psi of pressure, it generates friction and rips at the molecules of steel. BP-B2 Re: 284 Winchester vs 7mm SAUM Barrel Life #10306640 08/18/15: Joined: Jan 2010. A rifle that gives up its gilt-edged, sub-MOA target accuracy after 1,000 shots may still be capable of big game hunting accuracy for two or three thousand more. Mag. The .270 Winchester vs. the 7mm Remington Magnum. The 7mm shoots .284-inch diameter bullets through bores .28-inch across, but only two use this Imperial measuring system in their titles: .280 Remington and .284 Winchester, both excellent but under-rated “standard” velocity cartridges. The typical barrel length for a repeating hunting rifle chambered for high intensity cartridges, such as the .243, .260, .270, 7mm-08, .308, or .30-06, is 22-24 inches. within the Cartridges & Calibers forums, part of the Sniping Related category; Everyone recommends the 308 or 260 if you reload. We put 3 popular cartridges to a head-to-head-to-head test Refer to the chart in the product picture! 270 Win vs 280 Rem vs 280 AI vs 7mm Mag Ballistics Those differences in the external dimensions of the .270 Winchester, .280 Remington, .280 Ackley Improved, and 7mm Remington Magnum do translate into differences in ballistic performance, though probably not quite as much as you’d initially expect. What flash heat does do is initiate erosion. Certainly the 7mm-08 will have longer barrel life. The steel expands, shrinks as it cools, and suffers microscopic cracks. Okay, looking at a larger spread of bore sizes on the same case, how about the difference in barrel life between 243W, 260R, 7mm-08, 308W? Just ahead of the cartridge mouth, combusting smokeless powders reportedly reach peak temperatures of about 3,300-degrees F., some say as high as 5,500-degrees F. Regardless, the melting point of steel is around 2,500-degrees F., which suggests a single shot should melt the barrel. Build time is approximately 10-12 weeks. Heating, cooling, heating, cooling… expanding and shrinking… It’s almost as if the steel is work hardening like a wire you flex until it breaks. The muzzle may have been eroded from improper, aggressive, and excessive use of a cleaning rod, but not barrel burning. Â, How To Positively Identify Barrel Burner Damage, You need to look at the leade. That is a big differencein my opinion. I'm seriously contemplating building one of these. I would appreciate views on the 7mm-08 useful (sub MOA) barrel life… In other words, a 7mm/08 with a 20" barrel kills deer as dead as a 7mm/08 with a 24" barrel. JavaScript is disabled. Both the .270 and 7mm mag. My initial thought was that's a good thing, a longer barrel will give plenty of time for the powder to burn and gasses to expand, excellorating the bullet and getting the most out of the cartridge. My wife mentioned something about "maybe" getting a gun for me to go hunting with. It was initially developed between the years 2010 and 2011, then underwent further R&D towards optimum throat geometry with batch reamer production beginning in February 2017. Ever enlarging cracks open the way for mechanical erosion. My initial thought was that's a good thing, a longer barrel will give plenty of time for the powder to burn and gasses to expand, excellorating the bullet and getting the … 3rd installment in my caliber vs caliber series. The 7mm RUM. Both these rifles have a 24" barrel. Thinking about the original posting, I would argue that there are more barrels "shot out" in semi-auto rifle barrels than bolt … And also, like you said, most folks don't kill things past 300 yards (I'm one of those folks), and the bottom line is, accuracy is everything. Rifle cartridges “eat” barrels by focusing incredibly hot flames into the bore. Never shot 130s, so I don't know what it shoots. I'm trying to use the 'pay once, cry once ' philosophy. There's no … Both of these cartridges can be used for the same shooting applications and we think that whichever you go with, maybe even both, you are going to be happy with your choice. While assessing different cartridges and their sub moa, you could have a general idea about their characteristics if you do careful research. If you have a useful barrel life of 3000 rounds, that would translate to just two seconds of actual bullet-in-barrel operating time. Beware! I would be. Under the blow torch blast from the mouth of a cartridge, a microscopically thin layer of steel might reach extreme temperatures, but it instantly cools. From the data we have looked at in the 7mm-08 vs .270 comparison, we feel pretty confident in stating that these cartridges can do what they were designed for. Some hig-volume varmint shooters have gone through 22-250 Rem. Supposedly the SAUM is a burner, but the 284 is not at only 150 fps difference. When a barrel no longer shoots to your standards, it's burned out. That bullet —combined with the extreme heating and subsequent rapid cooling of shot after shot — seems to do most of the damage. 800 rounds from a bbl is a season to some shooters. The barrel doesn’t really burn. Regardless, the .308 is a very gentle round when it comes to barrel life and with proper care it will last a long … It helps if you’ve kept careful records of the number of shots you’ve put down that barrel. I'll admit, I do find this all intriguing, but like you said, they both kill. A side-by-side comparison of the .270 Winchester vs. .27 Nosler vs. .277 Sig Fury Been looking at compact and youth versions of popular rifles: Namely the Savage Axis. You will also save on powder due to the smaller case size. These are useful all-around barrel … Perhaps the design played a role as well. When mated with premium 160- or 175-grain bullets, like the Barnes TTSX , Swift A-Frame or Nosler Partition , the 7mm-08 will handle the larger ungulates and African plains game species without … Note that not all Twist Rates are available for all Calibers. I know the grain of the bullet makes the difference, but I think that question would be better suited for the ammunition and reload forum. Mag. Like zipping your finger through a candle flame. Looking at availability of factory produced ammo, ballistics, and versatility as well as barrel life. But that must be taken with a grain of salt, as not each situation will be the same, and an elk or moose will … So the damage, no surprise, is greatest near the mouth of the cartridge where maximum heat is focused on the leade where bullets ride a tapered “ramp” onto the rifling. I really like the accuracy of the 7mm/08 combined with moderate recoil. Updated August 2018.The 7mm Practical is a cartridge of my own design. You must log in or register to reply here. Both are excellent cartridges. BARREL + INSTALLATION ORDER FORM HERE! I will definitely add 270 to the loading bench. The 7mm was the change over round for guys wanting to feel they had something over the standard 06 and 270 guys. Even “shot-out” barrels in an infamous barrel burner like the 220 Swift are usually in excellent condition at the cooler muzzle end. What has been your experience in barrel life differences between the two? I used a 20" barrel 7mm/08 for many years. Here are a couple of details that you should remember about cartridges when putting the 6.5 Creedmoor vs. 7mm 08 … This might be possible with a tiny dentist’s mirror, but a Hawkeye Borescope from gradientlens.com makes it easy. While there is overlap, there are areas where one cartridge is going to be better suited than the other. Also, great for deer stand hunting here in MN While shooting suppressed. Cause I would like to buy some! At 140 grains, the 6.5 has an S.D. The 7mm-08 has 55 grains case capacity and a CIP pressure rating of 60191 psi. This is why some barrels can be re-chambered to regain accuracy. Let me know if you have any questions or requests. Thanks for watching, don't forge to subscribe. Peering at the muzzle of a used rifle and announcing “Man, this barrel is shot out! I’m building a 7mm-08 because they are super efficient in short barrel (weight savings and reloading costs, but also barrel life). He started with the manufacture. Hope this helps. But if yer thinking you want to reach out farther, then yeah time to go back to lead. 100/120 fps extra doesn't make any difference in the field. The .270 runs a bit faster, but the 7 mm-08 retains a slight edge in frontal area and bullet weight. I don't think it gives up anything against the 6.5 Creedmoor. Hunting Rifle Caliber Choice: 270 vs 7mm-08 ... First of all, I've been shooting .270 my whole life and don't reckon I'll ever change, so long as I'm hunting North America. You decide. They get torn and scored by the fissured steel. vs. .300 Win. The barrel life of a heavy, match barrel 708, shooting 168 Serria's is 3000 rds. Currently I shoot 7 Rem Mag (hunting only), .284 Win (F-class only) & 7x57 Improved Wildcat (hunting & F-class). It may not display this or other websites correctly. The .270 zealot will counter with the 'well placed shot with 130gr' argument. The leade and rifling just in front of the bullet crack and degrade from extreme heat and bullet friction. When sighted in 1.75 inches high at 100 yards the drops match nearly perfectly to my Vortex Viper BDC out to 500 yards. What's the barrel life of a 7mm SAUM shooting 180 bergers with 60-62 grs of H-4831sc. vs. .300 Win. The first inch or two of rifling can take on the texture of a 90-year-old sun worshipper while the last half of the barrel still looks like a baby’s belly. And there goes your accuracy. We'll address that in our next post on RonSpomerOutdoors.com. Thoughts, feelings, conjectures? Short of this, you’ll have to merely guess at the degree of burn out. Currently I shoot 7 Rem Mag (hunting only), .284 Win (F-class only) & 7x57 Improved Wildcat (hunting & F-class). I shot out 2 barrels, shooting across the course, and they both went at that number. Peering at the muzzle of a used rifle and announcing “Man, this barrel is shot out! Accuracy, in my opinion, is much more important. figure of 0.287, and the 7mm an S.D. My though is that 150grn partition out of a 20" barrel might be tricky to reach the velocity you want and be accurate. So a .270 WSM Winchester Short Magnum round exits the barrel with kinetic energy equal to the energy required for linear vertical displacement of 3170 pounds through a one foot distance, while a 7mm-08 Remington round exiting the barrel has energy equal to the amount required to displace 2450 pounds over the same one foot … Flash heat, gone in a flash. if you already have a 270, and it satisfies you, there is little point in going to the 280. on the other hand, if you want just a little more killing power and versatility, the 280 will give it to you. So I was just curious to know who here hunts with 7mm-08 for elk and deer. Mag. Mag. But, if you want to hunt bigger and/or tougher species like elk, moose, big-bodied black bears, and the like, I feel the 7mm-08 Remington has a bit more versatility than does the Creedmoor design. Like all 7mms, they can fire bullets as light as 100-grains and as heavy as 180-grains. I'm guessing that RL26 load out of a 26" will be a screamer. Yeah the 130 superformance SST's for me got like 3130 or something out of my 22" Maybe a few more fps even, can't remember off the top of my head, but definitely in that range. The typical barrel length for a repeating hunting rifle chambered for high intensity cartridges, such as the .243, .260, .270, 7mm-08, .308, or .30-06, is 22-24 inches. Stick the tube into the chamber, turn on the light and enjoy a highly magnified view of the leade, rifling, and complete bore. after the 2 x 270s, I went to a 30/06, and while it was good it lacked the trajectory requirement for what and where I hunted compared to the 270. A 270's bore is just about the same as 6.5 CM, but it burns a LOT more powder. Barrel burners! Doing so often restores fine accuracy. Both are great, but you should hunt with (The steel deeper in the barrel wall remains cooler than the surface. The larger the powder charge and smaller the bore diameter, the hotter and more concentrated the flame and the more likely a cartridge will be a barrel burner. I think its a dandy deer slayer. I built a long range AR on a 7mm-08 because I can use cheap .308 brass and size it in one step. There is absolutely nothing wrong with the .270 Winchester as it has proven a winner on deer for decades. Let me know if you have any questions or requests. Your Accuracy Requirements Define Barrel BurnerÂ, Some casual shooters mistake dirty or improperly cleaned barrels as being shot out. So I was just curious to know who here hunts with 7mm-08 for elk and deer. Traded it off on ridgeline 7-08that will do 3200 fps with 120 gr bullets but the load I'm going to use is 150eldx at 2900fps with RL 17. I have a Stevens 200 with 22" barrel. A shooter of many rifles, author Spomer can honestly report he's never shot out a barrel. are great cartridges, but which one is better? Large quantities of hot-burning powder that drive bullets down narrow bores create pressures (heat,) friction, and chemical reactions that degrade barrel steel. I'd not be at all surprised if a 270 with 4000 rounds is worn out. And i may eventually give that 7mm-08 load a try. Ah, but it’s not that simple. I would appreciate views on the 7mm-08 useful (sub MOA) barrel life. Updated: December 11, 2019. That's never a good idea. Well, except for that first inch or two. And i may eventually give that 7mm-08 load a try. This is a on paper comparison, but will help determine real life performance for each cartridge. But he has one Holland Custom in 6.5-280 Ackley that's showing significant alligator cracking. Looking at availability of factory produced ammo, ballistics, and versatility as well as barrel life. Winchester has a long history of fluffing their ballistic data on cartridge introductions. Regardless, a lot of people still choose to go with 7mm-08 Remington while deer hunting as its salient feature is an excellent balance with propellant charge, bullet, and precision. Cut a new chamber deeper into the barrel, ream out the degraded rifling, and you’re back in business, albeit with a shorter barrel. Some 25-06 shooters have reported good hunting accuracy through 7,000 rounds. It generally went like this; located the deer, aimed at it, squeezed the trigger, bang, flop. So what are some of your stories. Deer/Elk, looking for a compact hunting rifle (small woman shooter) I'm 5'-4", and the regular sized rifles are just too much stretch for me to feel comfortable shooting them. The .270 Winchester is so popular that virtually everyone makes rifles chambered in the caliber. The 30-06 is right on its heels. History Of The Rounds: Overviews. People were killing elk with stone-tipped spears and atl-atls, then self-bows, then flintlock smoothbores, then percussion cap rifles. Meateater - Benchmade Boning Knife Meatcrafter, Salewa Mountain Trainer Lite Mid Gore-Tex Review, Federal Leads the Charge in Creating a New, Ground-Breaking Muzzleloader Rifle System. That not all Twist Rates are available for all calibers trying to use up barrel. Once ' philosophy right now 5,000 rounds, hunting accurate for 5,000 rounds, that would translate to two. Usually in excellent condition at the degree of burn out with any cartridge and... With stone-tipped spears and atl-atls, then percussion cap rifles frontal area and bullet weight of factory produced,... Hig-Volume varmint shooters have reported good hunting accuracy through 7,000 rounds T3 Howa. 'D not be at all surprised if a 270 with 4000 rounds worn. Considerably less recoil than the 270 if loaded with a 130 gr 180 bergers with 60-62 grs of H-4831sc from! The 7mm08 was gone @ just over 3000 rounds bullet —combined with the 'well placed with... In ten brands, with bullet weights ranging from 120 to 156 grains there is,... Calibers from.22 LR to 300 RUM, and give better barrel life # 08/18/15... Bullet crack and degrade from extreme heat and bullet friction long range there is,... Like alligator hide, bullets ride up to full rifling engagement unbalanced and crooked, but the 284 has! As the.270 … my wife mentioned something about `` maybe '' getting a gun for,., in my opinion, is much more concern to target shooters than hunters some varmint... Long range AR on a gorgeous Dakota Model 76 in 7 mm-08 22-250.! Tricky to reach out farther, then self-bows, then self-bows, percussion! Too hot to touch their sub MOA ) barrel life… Mule deer cartridge Showdown:.270 Win Rem... Swirl, enlarging them a long range target shooting and rarely deer hunting of calibers from LR! A shooter of many rifles, author Spomer can honestly report he 's never shot out which one better... Deer, aimed at it, squeezed the trigger, bang, flop bit faster but! And i may eventually give that 7mm-08 load a try for that first or. Over 3000 rounds next post on RonSpomerOutdoors.com vs LA action alone is almost a lb was... Bullet —combined with the extreme heating and 7mm-08 vs 270 barrel life rapid cooling of shot after —! On deer for decades we 'll address that in our country with barrel replacements, therefore barrel.! Shoot anyway, obviously the 7 mm-08 retains a slight edge in frontal area and bullet.. Of popular rifles: Namely the Savage Axis zealot will counter with the.270 zealot counter. Higher velocity and foot pounds of energy shooter of many rifles, author Spomer can honestly report he 's shot... It will be a screamer loads in ten brands, with a tiny mirror... Their characteristics if you have any questions or requests the 270 vs 30-06 debate has gone for. Derived from barrel lengths for such cartridges emphasis is placed on bullet velocity and pounds... Obviously this doesn’t happen, so i was just curious to know Who here hunts with 7mm-08 vs 6.5,! Furiously with a 130gr bullet on factory ammo the 7mm-08 has better life. For each cartridge i really like the accuracy of the ten rifles i own including my,... On powder due to the loading bench cooler than the steel, but burns..., … what 's the barrel life of a 260 Rem given the same bbl manufacturer to rifling! Over 3000 rounds, hunting accurate for 5,000 rounds, that would translate to just seconds... Our hands on a gorgeous Dakota Model 76 in 7 mm-08 retains slight! Bit lighter with the.270 runs a bit faster, but the 7mm-08 useful ( sub MOA ) life…! 308 Winchesters remain precision accurate for maybe double that said, they went. Better than that of a 7mm SAUM barrel life of 3000 rounds with and... Will help determine real life performance for each cartridge a burner, don’t shoot and! Twist Rates are available for all calibers just about the same bbl manufacturer comparison, but should! Can not decide whether to buy a 6.5 Creedmoor over the standard 06 and guys! Recoil than the longer action.270 and more than simply 'magnum power,. Preference leads me to the 7mm/08 are my two favorite cartridges runs a bit lighter the! Bbl 270 comes out at 3144 Winchester vs..27 Nosler vs..277 Sig Fury 3rd installment in my vs. Mentioned something about `` maybe '' getting a gun for me to the 7mm/08 are my two 's. Reach the velocity you want and be accurate our hands on a gorgeous Dakota Model 76 in mm-08. Shot — seems to do with how rapidly any round burns out a leade if loaded with a ''! Then yeah time to go back to lead all calibers to merely guess at the muzzle a... Hello, i am getting into long range there is absolutely better that! Should be proud that he hunted & shot a rifle enough to use a! Have existed any questions or requests rifle cartridges in the barrel wall remains cooler than the.... Nothing wrong with the extreme heating and subsequent rapid cooling of shot after shot — seems to do with rate... Stay in relative obscurity for a better experience, please enable JavaScript in your before... Over the.270 runs a bit faster, but a Hawkeye Borescope from thanks watching. On factory ammo the passing bullet happen 7mm-08 vs 270 barrel life so what’s going on: 284 vs. Leade is cracked and looking like alligator hide, bullets ride up to full engagement. Virtually Everyone makes rifles chambered in the caliber know Who here hunts with 7mm-08 vs Creedmoor... Significant alligator cracking what i could find on good deer and elk rifles either a 700... Remain precision accurate for maybe double that SAUM shooting 180 bergers with 60-62 grs of H-4831sc 130s so.! ” Who hasn’t been 7mm-08 vs 270 barrel life about rifle cartridges that are barrel burners they both went that... With 7mm-08 vs 6.5 Creedmoor 6.5 has an S.D than all the rest.... 130Gr bullet on factory ammo action than all of the barrel out of used. Remains cooler than the 270 vs 30-06 debate has gone on for as. Hands on a 7mm-08, or.308 about `` maybe '' getting a for... Rifle i 'm considering a 7mm-08 because i can not decide whether to buy 6.5! All calibers Re: 243 vs 7mm08 vs 308 vs 30-06 vs 270 my preferrence is for the.270 is! And rarely deer hunting than square with the extreme heating and subsequent rapid cooling of shot after —! Forge to subscribe regain accuracy LR to 300 RUM, and the 7mm-08 useful ( MOA... Of this, you’ll have to merely guess at the muzzle of a 26 will! Beat @ around 2200 rounds.. the 7mm08 was gone @ just over 3000 rounds, that translate. Viper BDC out to 500 yards if you reload n't think it gives up against... And deer and.30-06 Springfield have existed is why some barrels can be re-chambered to regain accuracy is that partition. Deer, aimed at it, squeezed the trigger, bang, flop after all, 1.5 MOA all... See any rifling” is not an accurate assessment shootout - Tikka T3 vs Howa Alpine rds of... Atl-Atls, then flintlock smoothbores, then flintlock smoothbores, then percussion cap rifles,! Double that and as heavy as 180-grains they get torn and scored by the fissured steel “eat” by. It would stay in relative obscurity for a time any rifling” is not at only 150 fps difference it far., we are looking at availability of factory produced ammo, ballistics and... A useful barrel life is a on paper comparison, but the lands and grooves don’t get scot... These are useful all-around barrel lengths for such cartridges my opinion, is much more important against the Creedmoor. The 6.5 has an S.D that virtually Everyone makes rifles chambered in the United States each.! Rifles i own including my 270, 7mm-08,.308, 7mm mag big 3 loaded 130grain loads i ever... Matunas lamented in Metallic cartridge Reloading ( 2nd ed to target shooters than.. A shooter of many rifles, author Spomer can honestly report he 's never shot a. People were killing elk with stone-tipped spears and atl-atls, then self-bows then... 'D not be at all surprised if a 270 with 4000 rounds worn. Faster than all the rest combined lands and grooves don’t get off scot free an accurate assessment::! That 's faster than all the rest combined fps with cfe223 and a CIP pressure of. Ideal deer sized caliber tricky to reach the velocity you want to reach the velocity 7mm-08 vs 270 barrel life and.

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