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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Testing Friction Reduction of Bullet Coatings
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<blockquote data-quote="Outlaw6.0" data-source="post: 682423" data-attributes="member: 23486"><p>Your statement about bore life vs throat life is something I didn't consider when posing my question (I really do know better <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" />). There is a possibility of slight accuracy retention utilizing coated bullets in a "long in the tooth" bore as the coating could help to fill in the cracks & provide a smoother transition across that section of the throat. Of course that is very subjective & pure hypothesis on my part.</p><p> </p><p>I don't know that the copper fouling test really needs to be that controlled. At least from the shooter's perspective. Take one rifle, chambered in a cartridge noted for very good bore life as to not be detrimental to the test. Start with a roto-rooter, squeaky clean bore & fire say 200 rounds new brass, uncoated, note accuracy every 25 or 50 rounds until either accuracy completely dies or your test concludes.</p><p> </p><p>Now, go back to the roto-rooter, squeaky clean bore. Now load 200 coated bullets with new brass & repeat the test. Granted it is a waste of a bore, but i'd be willing to wager (a very small one<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" />) a test like that, although not labratory grade would lead to some fairly conclusive evidence? </p><p> </p><p>Heck after the 200 round (tentative number of course) session, stick your bore scope in there & take a look at what's going on. Now obviously you aren't going to be able to take exact measurements of the fouling but visual indications may very well be present.</p><p> </p><p> </p><p>Obviously, i'm just thinking out loud for conversation sake. As i'm sure you can tell, i'm no expert, just an enthusiast who suffers severely from "tinkeritis".</p><p> </p><p> </p><p>gun)</p></blockquote><p></p>
[QUOTE="Outlaw6.0, post: 682423, member: 23486"] Your statement about bore life vs throat life is something I didn't consider when posing my question (I really do know better :D). There is a possibility of slight accuracy retention utilizing coated bullets in a "long in the tooth" bore as the coating could help to fill in the cracks & provide a smoother transition across that section of the throat. Of course that is very subjective & pure hypothesis on my part. I don't know that the copper fouling test really needs to be that controlled. At least from the shooter's perspective. Take one rifle, chambered in a cartridge noted for very good bore life as to not be detrimental to the test. Start with a roto-rooter, squeaky clean bore & fire say 200 rounds new brass, uncoated, note accuracy every 25 or 50 rounds until either accuracy completely dies or your test concludes. Now, go back to the roto-rooter, squeaky clean bore. Now load 200 coated bullets with new brass & repeat the test. Granted it is a waste of a bore, but i'd be willing to wager (a very small one:)) a test like that, although not labratory grade would lead to some fairly conclusive evidence? Heck after the 200 round (tentative number of course) session, stick your bore scope in there & take a look at what's going on. Now obviously you aren't going to be able to take exact measurements of the fouling but visual indications may very well be present. Obviously, i'm just thinking out loud for conversation sake. As i'm sure you can tell, i'm no expert, just an enthusiast who suffers severely from "tinkeritis". gun) [/QUOTE]
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Testing Friction Reduction of Bullet Coatings
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