March 2011

Interchanging 308/7.62 Ammo

Ray Ordorica’s general statement about some guns not liking one of these two ammos brought out a lot of concerns from readers. He gets down into the weeds to clear up those worries.

I look forward to reading your magazine cover-to-cover. Over the years I have learned a lot, not just about the guns but also about choices of ammunition and potential hazards in both gun and ammunition choices. That is why I paid particular attention to Ray Ordorica’s response to a Firing Line on feeding 308 Win ammo into an M14 variant. I can’t argue with the statements that 7.62 is the right ammo for the M14 and that it should not be used with standard 308 ammo. However, Ray went further than that and stated: '…it ought not be a gas-driven semiauto such as the M14 variants.' The 'such as' led me to think in terms of other 'gas-driven semiautos.'

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