When a person chooses their SD gun, does one choose a gun with which to 'push back' when facing a threat OR does one choose a gun that will 'freight train' the threat????
This question came to mind today as I was tinkering with my recently added folding stock for the AR9 PDW. I was shooting at the 3/8" steel plate @ 25-50 yards and keeping it swinging with repeated hits from the 9mm. Then I thought, HMMM. Yes, it hits the steel with substantial authority BUT. A few weeks back, I shot the same plate at the same distance with the 300AAC from a similar length barrel AND BLEW THE CENTER OUT OF THE PLATE. Wait a minute! One of these is not like the other one.
IMHO, the only factor on the side of the 9mm is: it doesn't ring the ears as badly. OK, maybe it is adequate for short to moderate SD and of course, the increase in accuracy is credible but it's not even close to the effectiveness of the 300. On the other hand, using the 300 in a defense scenario may be harder to justify than using the 'puny' 9mm in a similar platform.
Just rambling thoughts.
This question came to mind today as I was tinkering with my recently added folding stock for the AR9 PDW. I was shooting at the 3/8" steel plate @ 25-50 yards and keeping it swinging with repeated hits from the 9mm. Then I thought, HMMM. Yes, it hits the steel with substantial authority BUT. A few weeks back, I shot the same plate at the same distance with the 300AAC from a similar length barrel AND BLEW THE CENTER OUT OF THE PLATE. Wait a minute! One of these is not like the other one.
IMHO, the only factor on the side of the 9mm is: it doesn't ring the ears as badly. OK, maybe it is adequate for short to moderate SD and of course, the increase in accuracy is credible but it's not even close to the effectiveness of the 300. On the other hand, using the 300 in a defense scenario may be harder to justify than using the 'puny' 9mm in a similar platform.
Just rambling thoughts.