Sub Rifle
I have the original Sub9 carbine and I love it. It is reliable, and the folding action is just too neat for words. It is also very easy to clean. The Sub2000 is essentially the same, but now with a one-piece polymer reciver and grip assembly.
Most urban indoor gun ranges will let you shoot it because of the handgun caliber, and being able to fold it smaller than a briefcase to take it out shooting is great if your neighbors are hand-wringing panty-waisted anti-gun sheeple. Kel-Tec service is legendary, and they have several accesories for thier carbine.
www.kel-tec.com
I'm actually surprised the darn thing hasn't shown up in the movies yet. Probably a good thing. If it's folding nature is used as too pivital a Hollywierd plot device, it'll probably get banned for the neat way it gets around the folding stock ban.
9mm ballistics out of a 16" barrel start to approach .357mag. (I said approach
) I'd feel that 9mm has reasonable effectivenes to about 100 yards. Beyond that, it really drops. The savvy handloader can take advantage of the 16' barrel length and use a slower burning powder, and the longer time the rifling has to act on a heavier bullet to get the most of the 9mm though.
The action is closed bolt, straight blowback. The mag interchangability is great. You can either pick a mag for your handgun, or order it for whatever hi-caps are cheap. Your choice.
The only ergonomic downsides are the straight tube stock, which makes a comfortable cheek-weld difficult for those with long necks, and the reciprocating bolt handle, while out of the way, is disconcerting so close to the body for some.
I like the pointablility and I find the sights to be decent. Tearing out the center of a B-27 target at any handgun range is laughably easy.
9mm penetration in urban environments is hotly debated.
For instance, some claim that pistol rounds are better than rifle rounds in all circumstances for overpenetration. Others say tests show that light varmint .223's/5.56's from a carbine actually penetrates less in standard stud and drywall construction than 9mm, while still providing soft body armor penetration. Then there's the rebuttal that in a clear shot into air, 9mm wouldn't travel as far as .223 providing a greater margin of downrange safety. Then the counter rebuttal that on pavment, .223 is more likely to merely fragment, and that the 9mm will riccochet much more easily.
It goes on and on...
Either way, common sense under stress is your only real way to prevent colateral damage amongst your neighbors in a defensive situation. Weapon/caliber choices within reason are secondary.
That being said, I would definitely not feel under-armed were I to find myself in trouble and had my Sub9. The folding action makes it very appealing to store it in all sorts of nifty quick-access ways. Although FWIW, for my use at home, (close single family row houses, no brick) I choose a 12ga loaded with Federal multi-purpose #7 shot, and a Gock 21 in .45 with Hydrashocks.
Even with bird or clay target loads, in most normal homes under 2000 sqft., the firing distances are such that the shot column behaves more like a slug in an attacker, but the shot scatters easily as it passes through the first obstruction it finds, and each pellet is lower mass than even a .22 and looses velocity very quickly. Even then, shot is not magic, for preventing overpenetration or aiming, and I need to think about where I am pointing that shotgun.
OTOH, compared to a pistol, the longer sight radius of the carbine, and the stock, makes for much more accurate shooting, so even if 9mm penetration is a concern, there is a much greater probability that the attacker will be there to slow it down some first.
In a nutshell, I DO reccomend the Kel-Tec carbine. I love mine, and it is the most fun gun I have out of about 20 pistols and rifles, and it is the only one that
allways goes with me to the range. I think it is definitely adequate for personal defense as well. Unfortunately, the issue of overpenetration is a complex one and everyone needs to make up thier own minds based on thier needs and what they're comfortable with.
Andrew