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Posted: 1/6/2006 4:26:53 AM EDT
Is it safe to run 9mm +P and 9mm +P+ out of a 14.5" barreled semi-auto AR?
Thinking about doing a 9mm AR, cutting down the barrel, then permanantly attaching a YHM flash hider. Sure would like to be able to use feistier ammo. And keep all the parts I came from the factory with. The latter bieng more important.
Link Posted: 1/6/2006 5:00:40 AM EDT
Yes its perfectly fine. There is a reason they list ammo such as Hirtenberger L7A1 Subgun ONLY as they can handle the extra pressure.
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