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7.62x51 or .308 for M1A

11847 Views 25 Replies 16 Participants Last post by  JayKosta
I know i'll probably get hate because this is been asked probably a million plus times, but I haven't found a definitive answer yet. Which is better to shoot from an M1A? I know both will shoot just fine in the M1A. I'm asking because I want to know which will cause the gun to have more wear? Which will shoot more accurately? Thanks in advance.
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My pre-ban M1A has a military TRW barrel chambered for 7.62x51 NATO. I do not shoot 308 ammunition in it.

LRB told me that their rifles are chambered for 308, so I would think it is safe to shoot 308 ammo in it as long as I stay with bullets that weigh less than 180 grains. That being said, I have only fired 7.62 NATO from it as well. Stay safe.
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