Kel-Tec Sub 2000 Carbine chambered in 9mm.  This carbine is in factory new condition.  This Kel-Tec uses Glock 17 Magazines.  This Sub 2000 features a threaded barrel and folds on itself.  The integral sights are adjustable.  This carbine uses a straight blowback system for simple function and maintenance.  This would be perfect for camping or backpacking.