Mas, I always stop by this forum to check your posts. Thanks for doing so.
Lately I have been thinking of getting a pistol caliber carbine, probably a 9mm. Maybe a Kal-tec Sub 2000 or a AR. It would be used mostly for target practice with perhaps some shoot and move drills.
My question: Is say a 9mm carbine recommended for home defense? I can see me shooting more accurately with a carbine than a pistol in a high stress situation. On the other hand I have read where 9mm will actually penetrate deeper than a .223. That seems counter intuitive to me. And firing out of a longer barrel would seem to increase velocity.
The high velocity of many .223 rounds causes them to deform in the body, retarding their penetration.
Pistol caliber carbines are like slightly louder .22s, and very easy to learn to shoot fast and straight at close range. Their milder sound signature is less intimidating and less damaging to ears indoors. They won't inflict the magnitude of wound that you get with good .223 ammo, though.
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