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The Range
Rifle & Shotgun Discussion
AR-15 Barrel Questions
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<blockquote data-quote="KurtM" data-source="post: 824966" data-attributes="member: 6064"><p>Why are a lot of folks wanting chrome lined barrels? Most regular barrels and Stainless Steel barrels will last 10-15,000 rounds with good accuracy. This is WAY more shooting than the average shooter will put through one in a life time. As for Stainless barrels being heavier, that depends much more on the barrel profile than it does weight of Stainleess...which is actually LIGHTER than Chrome Moly by a small fraction on the molecular level. I have seen several "quality barrels"go 20,000 and still be 1 M.O.A. rifles, I haven't seen that many Chrome lined barrels shoot in the 1 M.O.A. range, although most aren't that bad either.</p><p></p><p> As for twist, the faster your twist rate the sooner you "wear out" a barrel so a Chrome lined 1X7 will last about as long as a 1X9 Non-Chromed barrel. For average use without shooting heavy bullets (75/77/80) a 1X9 will do it all. they even throw 69 gr. bullets real well. So now you should be real confused. KurtM</p></blockquote><p></p>
[QUOTE="KurtM, post: 824966, member: 6064"] Why are a lot of folks wanting chrome lined barrels? Most regular barrels and Stainless Steel barrels will last 10-15,000 rounds with good accuracy. This is WAY more shooting than the average shooter will put through one in a life time. As for Stainless barrels being heavier, that depends much more on the barrel profile than it does weight of Stainleess...which is actually LIGHTER than Chrome Moly by a small fraction on the molecular level. I have seen several "quality barrels"go 20,000 and still be 1 M.O.A. rifles, I haven't seen that many Chrome lined barrels shoot in the 1 M.O.A. range, although most aren't that bad either. As for twist, the faster your twist rate the sooner you "wear out" a barrel so a Chrome lined 1X7 will last about as long as a 1X9 Non-Chromed barrel. For average use without shooting heavy bullets (75/77/80) a 1X9 will do it all. they even throw 69 gr. bullets real well. So now you should be real confused. KurtM [/QUOTE]
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