Gunfather Milsim states the 5 reasons coming from the perspective of a SWAT trainer... "In this video I discuss five reasons airsoft is great for testing CQB technique. In my day job as a SWAT trainer we often test out variations of room clearing technique. In my opinion there are several ways recreational airsoft can provide a valuable resource for this kind of technique testing. There are also several reasons it is a horrible idea but I will share those in a future video."