I was at the range a couple of dys ago shooting my Colt HBAR (1:7 twist)when one of the other shooters at the range told me that I was shooting dangerous ammo. The ammo was standard 55 grain NATO stamped ammo made in Isreal. He said that the bullet was too long for a commercial chamber and it would cause excessive pressure and ...kaboom!!! I have not seen any warnings or articles on this problem. Am I missing something?
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