The 7mm-08 case is just slightly longer than the parent .308—2.035 inches vs. 2.015 inches—but maintains the same 20-degree shoulder of the .308 Winchester. In fact my rifles are still much more accurate than required, even after many hundreds (and in some cases thousands) of rounds. If you know what a 7mm-08 will do out of a 20" barrel with these bullet weights I would be much obliged, as well, I'd like to know what the .260 would be capable of in this length with 140gr and 155gr, if you can help, thanks again! When you think about it that makes sense, this is were all the heat and pressure is at its most fierce. Joined Jun 22, 2016 Messages 956 Location CO Springs. Let’s forget about that obvious fact for a second and ask the question, just how quickly will the average barrel degrade? You will sometimes hear the term ‘chasing the lands’ with respect to this phenomenon. … : throat erosion) affected more by the bullet's velocity or by the mere virtue of the bullet's diameter? Well put simply, by today’s standards, that is when a rifle is no longer considered even factory accurate. What is the expected barrel life of our favourite rifle if we require at least 1 minute of angle accuracy? 7mm08 is good too. Previous topic Next topic. Know how to make your barrel last and recognize the signs of barrel wear. I was figuring I could get into a 7mm-08 pretty easy for a trainer and also a hunter that fits nicely between the 7mag and 204. If the brass is old, it could be rather hard by now. The real barrel burners are the magnums, cartridges designed to propel a projectile as fast as possible from a given bore size. Both more than capable to 500 yds. Sniper 338, I got the same amount of barrel life on p. dog towns with two 22 BR's as I did Rem 700 in 22/250's. Joined Dec 9, 2011 Messages 706 Location Vermont. Loads and shooting cadences can turn those tables quite readily. an it works Great . Since it's using approx. of 0.248, and though the 7mm-08 offers a velocity advantage of 115 fps or so, the penetration advantage would still go to the 6.5 Creedmoor. Press question mark to learn the rest of the keyboard shortcuts. GOD Bless Them All UNIONS BUILDING AMERICA, SALUTE ALL THE UNION TRADESMAN . Everyone wants to think you are going to shoot a 6.5mm cartridge and get .308 Winchester barrel life. Distance wise or from an energy standpoint on game it's not in the same ball park as a .243/260/257, one plus though is 25ish grains of powder vs 45ish. 140-150gr. CaptainMal. Snapping Twig, May 20, 2008 #3. mnrivrat Member. OUT OF STOCK (2) Savage 19195 AXIS 7MM-08 . 10 months ago . These are useful all-around barrel lengths for such cartridges. If you are a target or precision shooter though you will almost certainly see the end of a few barrels. Contributing Member rbernie Contributing Member. Depending on your skills, you may still need to see a gunsmith if this is the issue. He said to take your choice between the 7mm08 or the 260. The highest velocity standard cartridges (.243, .25-06, .270 Win. 3,000-4,000 rounds is not out of the possibility. I think the .260 and 7-08 are a coin toss whether one is the better. In this article I will discuss what barrel life means to the everyday shooter, and how you will know when your barrel is worn out. loneranger Posts: 47 Joined: Mon Feb 17, 2020 5:47 am.243, 6.5 CM, .260 or 7mm-08 #1 Post by loneranger » Sun Oct 11, 2020 3:22 am . Energy content of the charge and bore cross sectional area also influence it to a degree, as well as things like coated vs naked projectiles, and of course the volume of fire - hot barrels wear faster. loneranger Posts: 47 Joined: Mon Feb 17, 2020 5:47 am.243, 6.5 CM, .260 or 7mm-08 #1 Post by loneranger » Sun Oct 11, 2020 3:22 am . OUT OF STOCK (2) Thompson/Center Arms 10073 Compass Composite Bolt 7mm-08 Reming. of 0.248, and though the 7mm-08 offers a velocity advantage of 115 fps or so, the penetration advantage would still go to the 6.5 Creedmoor. For a trainer, I always like the .223 route. The truth is people don’t treat their rifles the same. Re: Barrel life expectancy per cartridge #2975082 04/19/09: Joined: … I would look at ab used Rifle to . Barrel life is something I have always worried about also, and I shoot a 243 win. Shoot less powerful cartridges. Lots of good hunting bullets. 7 Rem Mags are seldom seen with barrel lengths below 22″ (I haven’t seen many 16″ 7 Rem Mags around) 3. Something's not quite right. Barrels are expensive and should only be replaced when necessary. I have been forever plagued by short case life/premature loosening of primer pockets with … A more pleasant shooting experience compared to a mag and longer barrel life in the bargain. At 140 grains, the 6.5 has an S.D. In case you are unfamiliar with these cartridges they are all based on the same .308 Winchester case, with the smaller bores obviously being higher pressure and faster shooting rounds. Most shooters will never know unless they chronograph or borescope a quality barrel. I'm thinking 308 has a good barrel life, so 7mm08 should be alright. Sorry, this post was deleted by the person who originally posted it. It is at this smooth transition, between the chamber and the rifling, that the barrel degrades and we see a decline in accuracy. 2. Test Protocol. A friend of mine had a .220 Swift barrel that didn’t even make it to 2000 rounds. Author. I know both are quite capable for deer and black bears. ClemsonAl Member. Good tip A. May 5, 2019 #22 elkduds Senior Member. These qualities make the 7mm-08 a very popular deer-hunting round. Was it a windy day? Press J to jump to the feed. Is the scope mounted securely and sighted in correctly? On average a 6.5 Creedmoor shooting factory ammo will die at around 2,000-2,500 rounds. Only once you have considered the ‘easy’ fixes, should you look at replacing the barrel. figure of 0.287, and the 7mm an S.D. 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. Reactions: 30338, Newtosavage, Shrek and 1 other person. Bergara B-14 Timber 7mm-08 Remington 22" Walnut Stock 4+1 (B14S. I have done a couple full load workups with that thing and its punishing after 30 rounds. The .220 Swift is a round that puts much more pressure on a barrel then the humble old .308 (one of the reasons why .308 is so great). I would like to buy your T C 7mm 08 Barrel . I am here to tell you that is not true what so ever. If so what are you getting for barrel life shooting the heavy bullets?? Army brass could also be light on the copper content (the expensive part), making it brittle. I would like to buy your T C 7mm 08 Barrel . Remember though that the extra mass also retains heat longer and so not only do you have a heavy barrel to carry around, but you have to wait longer for it to cool down too. OUT OF STOCK (1) Savage AXIS II XP 7MM08StainlessWEAVER. Ramshot Big Game, or Alliant RL17 with the 140gr. 6-8 grs. Excellent bullet choices out there. Last edited by Tonk; 04/19/09. rifles have a fairly short barrel, usually no longer than 20”, yet we get an honest 3050 f.p.s. The barrel life of a heavy, match barrel 708, shooting 168 Serria's is 3000 rds. For a precision shooter this ‘poor’ level of accuracy is simply not acceptable and would be an indication that a barrel change is eminent. My dad reloads 45-70 brass that his dad purchased in the 40’s for a trapdoor Springfield, each case has been reloaded dozens of times, with black powder, but he takes good care of the brass and washes it after every shot and anneals it when needed. Easy to reload, mimics the weight and size of your 7mm-08. Do it! (Also, forgive me if I'm projecting, I wish I had done what I just suggested, would have saved me a lot of money over the long run), https://www.reddit.com/r/guns/comments/8mm7eb/trollygags_noob_guide_to_the_entry_level_custom/. Not in the least bit, not for the type of shooting we do. I'll also explain what causes barrel wear, and how to prolong the life of your barrel. If you are determined to use the 7mm bullets look at the 280 rem, 280 improved, and 284 win. These will give substantially better performance than the 308 and won't burn barrels nearly as … Silver $$ Contributor. I plan on cutting off the chamber and turning the remainder of the barrel down to a sporter contour and chambering it in 7mm-08. redbone said:. Ballistic data was gathered using a Magnetospeed barrel mounted ballistic chronograph. RH. In other words a 168-grainer fired from a 7mm-08 will exhibit less drop and less windage than a 168gr bullet fired from a .308 Win.
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