ol' scratch
Member
If it was due to the abusive amount of fire, wouldn't the rifle firing the federal have the same problem? I guess it might be the powder, but even if it was wouldn't that indicate a problem with the ammunition? There is another link I posted from a Microscopy and Imaging Specialist who measured the jacket material in WOLF and Herters with an electron microscope and performed Energy Dispersive X-Ray Analysis on the projectiles. Using his measurements, he hypothesized that his rifling was wearing through what he described as the thin copper jacket and coming in contact with the steel underneath. To test this theory, He fired projectiles into large stacks of newspaper and found that the rifling from the pistol scraped off the copper. His test was in 9mm and 9mm Mak. The pistols were a CZ 82, a Hi Point and a P64. Also, I found this information because I was looking for information on my SLR 106 and found a member of another forum who wore the barrel on his SLR out in 6000 rounds shooting this ammo. http://www.theakforum.net/forums/19...-my-slr-106-barrel-less-than-7000-rounds.htmlThat luckygunner "study" gets posted to the forums constantly.
I hate steel-cased .223 ammo for reasons unrelated to barrel longevity.
Its quite a stretch to definitively say that the barrel failures were "due to" the type of bullet.
Equally-plausible explanations are the abusive rate of fire and/or the type of propellant used in the steel-case ammo.
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