Does anyone know how to cut bullet "proof" glass? - AR15.COM
Mar 07, 2014· Bullet proof glass is not glass at all, more like a plexiglass material. You can stab a knife into it and it will stick. Some types are like that, This type is alternating layers of tempered glass and a plexiglass like material. You can not cut tempered glass. Posted: 3/7/2014 6:57:16 PM EDT.