The 11.5" (oh, I forgot, you've changed to 10" now) CAR, is a POS. It's good for shooting across the room and that's about it. The .22lr unit is worthless for training beyond 50-75 yards, because the ballistics of it and the .223 are radically different, even from the glorified pistol. So you get NO training other than trigger control with the "unit" vis-a-vis the .223 unless you plan to use your rifle at pistol ranges, and you're the only one dumb enough to advocate that.