An assault rifle used by the US Army. It looks similar to the M4 (which looks like a short version of the famous M16). The CAR-15 was used during the Somalia conflict and is therefore featured in the movie "Black Hawk Down".
The numerical value of c.a.r. 15 in Chaldean Numerology is: 6
The numerical value of c.a.r. 15 in Pythagorean Numerology is: 4