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Rifles, Reloading, Optics, Equipment
Gunsmithing
Why is there no coatings used in rifle throats to slow erosion?
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<blockquote data-quote="lazylabs" data-source="post: 575409" data-attributes="member: 6641"><p>I have read quite a few threads on this with most of the applicaitons being vapor deposit methods as well as surface treatments. It seems that the coatings that work well for high temp tend to be fracture prone and then you have a rough barrel. The other side is you don't only have high temp/pressure gasses you have a very abrasive media blasting action with the powder. The vapor deposit method is also very expensive. They have been chrome lining barrels for quite a while but you just don't get the best accuracy out of them. </p><p></p><p>If you have to spend $500 to coat a $300 barrel is it really worth it?</p><p>You would have to do the coating before you even know if the gun will shoot.</p><p>The coating process will probably make any future problems yours and not the barrel maker. \</p><p></p><p>I do think that something could probably be found to significantly extend barrel life but even at double the round count it probably would not be cost effective. It would always be a niche market for the high volume shooters. The average guy(not LRH guy) might shoot out 1 or 2 barrels in a lifetime. It's one of those things where the manufactures could build themselves out of business.</p><p></p><p>COULD detroit build a car that last 15 years...... will they?</p></blockquote><p></p>
[QUOTE="lazylabs, post: 575409, member: 6641"] I have read quite a few threads on this with most of the applicaitons being vapor deposit methods as well as surface treatments. It seems that the coatings that work well for high temp tend to be fracture prone and then you have a rough barrel. The other side is you don't only have high temp/pressure gasses you have a very abrasive media blasting action with the powder. The vapor deposit method is also very expensive. They have been chrome lining barrels for quite a while but you just don't get the best accuracy out of them. If you have to spend $500 to coat a $300 barrel is it really worth it? You would have to do the coating before you even know if the gun will shoot. The coating process will probably make any future problems yours and not the barrel maker. \ I do think that something could probably be found to significantly extend barrel life but even at double the round count it probably would not be cost effective. It would always be a niche market for the high volume shooters. The average guy(not LRH guy) might shoot out 1 or 2 barrels in a lifetime. It's one of those things where the manufactures could build themselves out of business. COULD detroit build a car that last 15 years...... will they? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Why is there no coatings used in rifle throats to slow erosion?
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