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The Range
Rifle & Shotgun Discussion
AR-15 Barrel Questions
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<blockquote data-quote="KurtM" data-source="post: 825338" data-attributes="member: 6064"><p>I usually profile my Stainlesss barrels .75 from right after the chamber to the crown, which is MUCH skinier than an H-Bar profile. I have never been unhappy with this light of a profile and I have two that are true 1/2 M.O.A. rifles. So if anyone tells you you will be unhappy, their lath can't turn real concentric, or they just don't want to bothered to do the work. I am surprised that W.O.A. wouldn't, as I have seen several of his turned to .65 in S.S.</p><p></p><p>Polymer and Lacqure don't "build up" and it is just as easy to clean a S.S. chamber as a Chrome lined chamber.....here is where all this junk breaks down....most every chrome lined barrel has a G.I. chamber, a lot of after market barrels have a SAMMI chamber, the dimentions are just a bit different with the G.I. being a bit looser. Steel cases don't expand and contract nearly as fast as brass, so you get more blow by and stickier extraction, it has nothing to do with the coating of the case!</p><p></p><p>Here is a quick test you can do, take a Lacquerd case and a polymer case and put them on a burner coil. heat the hell out of them and just see if they run or even get sticky....just in case you don't beleive it, they won't! This is just another of those great urban legendes that simply isn't true!</p><p></p><p>Any quality barrel will clean just as fas as any chrome lined barrel ( Hart Kreiger, J.P. White Oaks...etc. Where Chrome lining shines...forgive the pun... is when you don't clean much or live in a very humid climate...it is fairly rust resistent, and fairly accuracy degrading. KurtM</p></blockquote><p></p>
[QUOTE="KurtM, post: 825338, member: 6064"] I usually profile my Stainlesss barrels .75 from right after the chamber to the crown, which is MUCH skinier than an H-Bar profile. I have never been unhappy with this light of a profile and I have two that are true 1/2 M.O.A. rifles. So if anyone tells you you will be unhappy, their lath can't turn real concentric, or they just don't want to bothered to do the work. I am surprised that W.O.A. wouldn't, as I have seen several of his turned to .65 in S.S. Polymer and Lacqure don't "build up" and it is just as easy to clean a S.S. chamber as a Chrome lined chamber.....here is where all this junk breaks down....most every chrome lined barrel has a G.I. chamber, a lot of after market barrels have a SAMMI chamber, the dimentions are just a bit different with the G.I. being a bit looser. Steel cases don't expand and contract nearly as fast as brass, so you get more blow by and stickier extraction, it has nothing to do with the coating of the case! Here is a quick test you can do, take a Lacquerd case and a polymer case and put them on a burner coil. heat the hell out of them and just see if they run or even get sticky....just in case you don't beleive it, they won't! This is just another of those great urban legendes that simply isn't true! Any quality barrel will clean just as fas as any chrome lined barrel ( Hart Kreiger, J.P. White Oaks...etc. Where Chrome lining shines...forgive the pun... is when you don't clean much or live in a very humid climate...it is fairly rust resistent, and fairly accuracy degrading. KurtM [/QUOTE]
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