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Let's say a guy starts out with a good .224 barrel say, Krieger, Shilen, whatever and turns it into a .22-250. Then he loads up to a "reasonable" but fairly stout load that shoots well, lets say 1/2 to 3/4 inch-ish. Let's also say the guy is an attentive upkeep guy who cleans regularly and properly while using but not abusing the barrel, no long strings that over heat the barrel etc. How many rounds can that guy reasonably expect to get out of that barrel before it opens up to an inch or over? In the short version, "If you do your part how long should a .22-250 barrel last?" Got a debate going on so I wanted some educated opinions, thanks. "If a man buys a rifle at a gun show and his wife doesn't know it"...Did he really buy a rifle? Firearm Philosophy 101. montdoug | ||
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We noticed accuracy decrement to about 1 MOA with our 700V at something over 3K. A early Ruger 77V in .22-250 didn't last that long, maybe 2.5k. A Swift 40XBKSS went 4k, at which point accuracy decremented to around 0.75" (ie., doubled avg group size). The bbl on that one was stainless, of course. All were loaded/shot about exactly as per your assumptions. | |||
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My factory MKX barrel had to have the throat recut at around 4000. Accuracy started to decrease at about 3000 increasing to just over MOA from .75. I recut the throat seated the bullets out and continued to use it. As usual just my $.02 Paul K | |||
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I've been using Berger 77 OTM's in mine with a 9 twist Bartlein. Current round count off the top of my head is about 1000 Accuracy is still doing acceptable 10 shots into mid .2's is pretty common, and most recent group was in the low .1's. I check with a couple groups every 250 rounds or so just because I'm curious as well. I measured the throat at about the 800 round mark, and found it had only moved about .002 from the original chambering. One of the best shooting rifles I've ever built, and should last me a lot more years as it typically just sees use as a calling rifle now, and no longer sees regular range sessions. Yes it's cocked, and it has bullets too!!! | |||
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Interesting. I dont shoot a .22-250 very much and have only burnt one barrel chambered in that cartridge. My 'sample of one' works out just about the same as previous posters. At 2500 rounds the group opened up to moa, a tad more at 3K rounds... | |||
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I don't remember the round count, but I remember Ross Sefried writing about his Model 700 that her periodically seated the bullet further out, and that extended the accurate life of that barrel considerably, until either the magazine length was exceeded or he didn't have enough bullet in the neck. Clarence | |||
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I've shot out a couple of 22.250 barrels and it depends a lot on how you shoot them. Shooting colony varmints or high population jacks, I've shot a barrel out in less than 1,000 rounds because they were shot to hot. Usually I see measurable accuracy loss around 3,000 shots or so. If I run the 36 grain Varmint grenades at 4400 fps, the barrels don't last long. Frank "I don't know what there is about buffalo that frightens me so.....He looks like he hates you personally. He looks like you owe him money." - Robert Ruark, Horn of the Hunter, 1953 NRA Life, SAF Life, CRPA Life, DRSS lite | |||
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[QUOTE]Originally posted by Fjold: I've shot out a couple of 22.250 barrels and it depends a lot on how you shoot them. Shooting colony varmints or high population jacks, I've shot a barrel out in less than 1,000 rounds because they were shot to hot. Fjold hit the nail on the head. Barrel life depends on how much you shoot it with a hot barrel. Sometimes when the prairie dogs are thick it just doesn't matter that the barrel is getting fried! haha Otherwise 2.5K-3ooo seems about right since I've shot out 2 22-250's and a 222, believe it or not. Zeke | |||
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I think Fjold nailed it too. Ive shot a whole pile of .223 barrels out ( only one .22-250...mentioned in a post above) but the .223s die young if they are shot hot and dirty.... | |||
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I used to save a certain type of primers for the 22/250, partly because one barrel somewhere in the past must have liked them, and partly because it turned out to be an easy way of counting rounds. Id always get through the second brick and seldom get past the third. | |||
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Based on the parameters set for this rifle, may you be blessed with long enough life and enough shooting opportunities to actually wear out a barrel. "...I advise the gun. While this gives a moderate exercise to the body, it gives boldness, enterprize, and independance to the mind. Games played with the ball and others of that nature, are too violent for the body and stamp no character on the mind. Let your gun therefore be the constant companion of your walks." Thomas Jefferson | |||
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Dad bought a Sako .22-250 brand-new about thirty years ago. He cleared new country and had to eliminate giant grasshoppers with it - several thousand to my mind? Hundreds of foxes and rabbits? I was a kid, so memory can be fuzzy. All I know is that when my brother and I graduated to this rifle, we kept very, very accurate tallies, and each killed well over a thousand animals with it. We helped a lot of neighbours out with their problems, too. It had a heavy barrel, and a rarely-cleaned life behind the seat in the farm ute. How many rounds went down the barrel? I want to say about 10,000, but don't know for sure. I killed a lot with it - easily 1500 animals - and then there were missed shots and target work. Let's say my brother did the same. We're up to maybe 4000 shots between us. I would think my Dad could easily double our tallies. So make it 8000 rounds. Trying to be conservative here. Then there are the other friends and relatives who had a go on a smaller scale. I inherited the rifle and Dad and Nick brought it up to Arnhemland for me to use in my meat runs to feed hungry people. We got a few animals with it (it had been sitting idle for almost ten years). One of the last good shots it made was 300m. A few months later, some choice morsels were hanging around no more than 100m away. It took me ten shots to kill just two. No matter how hard we tried on the bush range, we could only spray bullets around a dinner plate size at 100m. The old barrel had finally carked-it, poor bala. My good friend, Mr Alex Beer, told me to mail the old duck down to Tasmania. He put a new heavy barrel on it, and this beautiful rifle is now feeding good people again. A few months ago, with my munanga brother and some brothers-from-other-mothers, we found a morsel of food strutting about over 200m away. We dared not get closer, but I suggested we should try to get closer anyway. My white brother suggested I was daft and inept, with the shooting ability of an average penguin. So, as the roast strutted into a small gap I let fly with a 55 grain TSX (sometimes we need to ask big, bovine things of this little rifle) which neatly took-out the heart. A seventy metre dash landed him dead in a marvellous patch of "baidju" (bush radishes) - which are hard to find. It was a happy feast. | |||
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Great post Ben! Made me giggle. | |||
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http://www.accurateshooter.com...-useful-barrel-life/ Here is a neat tool that may help figure it out- bottom line is a barrel is good for about 7 seconds! | |||
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That works. Each spring I would reset my COL and add powder until I regained my velocity. And I was good for minute of Pdog for another summer. Aim for the exit hole | |||
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A bench rest, or varmint gun will go 3000 to 4000 depending on your requirements as to accuracy.. A hunting rifle for coyotes and deer on the ranch will last 5000 to as much as 9000 Im told by those in the know. if your criteria is 1.5 to 2 inch groups..Ive had one for 40 years and shot the hell out of it, gave it to my son, who shoots it a bit, Have no idea of the number of rounds but its been good now for 2 lifetimes and going on 3..still shoots an inch or better just like it always has.. IMO, if you keep the gun cool, take care of the throat, it will shoot forever for the average guy. Most folks burn the throat out of them within 3000 rounds and rebarrel it, Not a bad practice however. Ray Atkinson Atkinson Hunting Adventures 10 Ward Lane, Filer, Idaho, 83328 208-731-4120 rayatkinsonhunting@gmail.com | |||
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