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Old 10-10-2012, 6:51 PM
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Quote:
Originally Posted by tdyoung1958 View Post
steel cases will expand and the laquer will soften and build up over time and sooner than later you'll have a spent case stuck in the chamber which is a ***** to get our and oft times just punches the base of the case off trying to then leaving the sides in the chamber, (insert Broken shell extractor here) which is a real pain in AR's to do.

they are basically telling you that you shouldn't shoot that nasty, dirty, sealed in laquer, (so it will work in maybe 40-50 years), russian stuff that gums up the chamber and requires detailed cleaning on a much more than regular basis.
Most of the newer steel ammo like Tula use a polymer coating, which takes significantly more temperature to melt off than is generated while firing.
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