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Discussion Starter #1
So if you were wanting to discourage BGs within 100 yds or so which of these two would you choose (or would you choose either?)?

The Sub 2000 using GLock mags seems very handy. Both seem light and mobile with the edge going to the Sub 2000.

How do the ballistics compare for 9mm vs 223 coming out of a carbine?

DD
 

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Here's my safety Sir
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I'll stick with my home built car15
 
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Super Gassy Moderator
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I'd go with the .223. More powerful, recoil is gentle, more versatile, mags are cheaper and easier to find, etc. I also own a 9mm carbine, but it's limited compared to one in a rifle caliber.
 

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I have a S2k and they claim the 9mm out of a 16" barrel compares to a 357 at the muzzle. I can shoot great groups at 50&75 yards but have never tried it at 100yds I start shooting my 223 at 80....Go with the 223 for range, any pistol carbines are good for truck guns and home SD IMHO. The biggest problem with the S2k is the crappy factory plastic sights...They're good, but I don't know how well they'll hold up if beat around. Here's a pic of mine with my new quad rail I received this week, now to decide what I want to use it for.

 

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Discussion Starter #8
Cripes! I wish you wouldn't flash pictures of that thing! I really need to get a .223.

For some reason every time I see the sub-2000 my Cool-o-meter goes crazy. It would be so great to fold that sucker in half and stash it under my seat in the car.

My problem is I'm a purist by nature. I don't want guns in a bunch of different calibers and I don't think 9mm is adequate as a handgun round. It would be uber cool to have a semi-auto handgun and carbine in the same caliber for the car or house. Kriss makes a .45 carbine but it's a lot of dough and looks like it came from a spaceship.

Hey Kel-tec! Why don'tcha make one of those rascals in .45 acp and save me some aggravation?

Thanks for the .223 advice fellas. I needed a little re-enforcement. I'll get one.

Doc
 

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Super Gassy Moderator
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I have a S2k and they claim the 9mm out of a 16" barrel compares to a 357 at the muzzle.
Not quite. Some of the hotter 9mm loads pick up about 100 FPS, but even at that, it's still not in the same range as the .357. More like .38 Super/.357 Sig maybe. Either way, it's an improvement. On the other hand, a lot of loads don't pick up anything, or have such a small increase that it doesn't count. Now handloads are where a 9mm carbine really shines. Using powder optimized for a longer barrel can get you some impressive gains. There is loading data specific to carbine length barrels.
 
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