15Jul/08Off
Coated Steel
Is it OK to fire polymer-coated steel case .223 ammunition from an AR-15?
I recently got a box of 20 rounds of steel cased, polymer coated, .223 for Christmas, but today I heard that firing this certain kind of ammo from an AR-15 can cause damage to the internals. Apparently, when you fire the round, the polymer coating on this brand of ammo melts off the casing and accumulates in very hard to reach places inside the gun. The guy who told me that even said it could permanently ruin the AR. Is this true, or even plausible? I dont want to run the risk of killing my AR D:
Thanks for sharing your knowledge.
If the heat inside the barrel gets hot enough, it could melt the coating. I wouldn't try it---don't want to risk ruining a good rifle.
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