If you do not know who Taran Butler is, especially if you are an airsoft player (or a firearms shooter), where have you been? The man behind Taran Tactical, the outfit that trained Keanu Reeves for John Wick as well as other celebrities, checks out the Glock 19X, the pistol that Glock proposed for the U.S. Army's MHS program and lost to the SIG P320.