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Long Range Hunting & Shooting
260 Rem Vs. 6.5-06
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<blockquote data-quote="Bart B" data-source="post: 556286" data-attributes="member: 5302"><p>There's been some things said about barrel life for some 6.5mm rounds that appear to me to be way off the mark.</p><p></p><p>Years ago, a friend I used to shoot 1000 yard matches with had a 6.5-06 with a Hart barrel in a custom made solid bottom Weatherby action (made by Roy Weatherby's shop just for him). It lasted about 800 rounds of excellent accuracy before going really bad in less than 20 shots. I was shooting a .264 Win. Mag. at the same time that lasted 640 rounds before going bad in less than 5 shots.</p><p></p><p>A decade or two ago when the 6.5-.284 was first used in long range matches by a friend of mine as well as his wife and her two daughters, they won lots of matches and set a record or two amongs them. They've worn out a few barrels with this cartridge. They get about 1500 to 2000 rounds of good accuracy before the barrels start going bad. That's better than 1000 to 1200 rounds with the 30 caliber magnums they used to use. And a lot better than the 800 rounds or thereabouts the 7mm Rem. Mag. was getting. They've also been using the 6.5-.308 across the course for 200 to 600 yard matches winning a lot.</p><p></p><p>Note that these barrel life numbers are based on those that shoot 1/4 MOA or better at 100 yards, 1/2 MOA at 600 and 3/4 MOA at 1000 yards. Barrels that start out with worse accuracy will seem to have a longer life. US service rifles starting out in the 1 to 2 MOA accuracy at 100 yards will have a barrel life of near 10,000 rounds. Remember that the more powder burned for a give bore size, the shorter barrel life will be.</p><p></p><p>Someone mentioned that a cartridge whose shoulder angle was such that it caused the powder burning to erode the throat faster and stated the .308 Win. caused more throat erosion than the .30-06 because of this. Well, that contradicts the reality that happened in the mid 1960's when the .308 Win. replaced the .30-06 as "the" round to use for conventional high power rifle matches shot through 600 yards. The .308 was getting about 3000 rounds of good accuracy compared to the 2500 or so produced by the .30-06. At least this is what the best shooters (NRA master classified) reported and they're better qualified to judge accuracy life than those with lower classifications. And it's been my experience too.</p></blockquote><p></p>
[QUOTE="Bart B, post: 556286, member: 5302"] There's been some things said about barrel life for some 6.5mm rounds that appear to me to be way off the mark. Years ago, a friend I used to shoot 1000 yard matches with had a 6.5-06 with a Hart barrel in a custom made solid bottom Weatherby action (made by Roy Weatherby's shop just for him). It lasted about 800 rounds of excellent accuracy before going really bad in less than 20 shots. I was shooting a .264 Win. Mag. at the same time that lasted 640 rounds before going bad in less than 5 shots. A decade or two ago when the 6.5-.284 was first used in long range matches by a friend of mine as well as his wife and her two daughters, they won lots of matches and set a record or two amongs them. They've worn out a few barrels with this cartridge. They get about 1500 to 2000 rounds of good accuracy before the barrels start going bad. That's better than 1000 to 1200 rounds with the 30 caliber magnums they used to use. And a lot better than the 800 rounds or thereabouts the 7mm Rem. Mag. was getting. They've also been using the 6.5-.308 across the course for 200 to 600 yard matches winning a lot. Note that these barrel life numbers are based on those that shoot 1/4 MOA or better at 100 yards, 1/2 MOA at 600 and 3/4 MOA at 1000 yards. Barrels that start out with worse accuracy will seem to have a longer life. US service rifles starting out in the 1 to 2 MOA accuracy at 100 yards will have a barrel life of near 10,000 rounds. Remember that the more powder burned for a give bore size, the shorter barrel life will be. Someone mentioned that a cartridge whose shoulder angle was such that it caused the powder burning to erode the throat faster and stated the .308 Win. caused more throat erosion than the .30-06 because of this. Well, that contradicts the reality that happened in the mid 1960's when the .308 Win. replaced the .30-06 as "the" round to use for conventional high power rifle matches shot through 600 yards. The .308 was getting about 3000 rounds of good accuracy compared to the 2500 or so produced by the .30-06. At least this is what the best shooters (NRA master classified) reported and they're better qualified to judge accuracy life than those with lower classifications. And it's been my experience too. [/QUOTE]
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260 Rem Vs. 6.5-06
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