ORIGINAL: standsleeper
They do have a partially chrome lined barrel. It may or may not help with the heat damage. Chrome is almost impossible to get applied evenly, so it definatlyhurts accuracy. Yet another reason I didn't buy that A-bolt.
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Don't tell that to FN. Those FN SPR's are so accurate, you could shoot rocks out of them and get MOA performance and totally chrome lined barrel. I am still amazed when I shoot one 20 times that day and no copper whatsoever in the barrel.