Hours of stuff you can do to customize and improve your GLOCK pistol. Noted GLOCK authority T.R. Graham takes you into the gun piece by piece, showing the tips and tricks that years of experience have shown work. In this course you'll see all the types of trigger modifications available by switching parts, using aftermarket parts, and even by modifying the factory originals. T.R. reviews all the sights available for GLOCKs, detailing the differences between competition and combat style sights. You'll see dozens of sighting options explained and honestly evaluated along with the installation of several sites, including laser and night sights. T.R. will show you how to install extended mag releases and slide stops and make them work even more effectively. He covers all aftermarket recoil spring and guide rod combinations, while explaining why and when to use them. Coverage of all trigger parts available, as well as how to combine them for different shooters and applications, is shown along with a build up of both a combat and target trigger. After reviewing a myriad of different magazine and grip accessories he shows how to combine them to tailor the pistol to YOU and then covers after market barrels and barrel fitting with great detail. Want to convert your GLOCK pistol to another caliber or enhance teh accuracy? T.R. covers step by step how to get the most accuracy out of your GLOCK, as well as showing you several caliber conversions including a .22 cal concersion and even how to make your GLOCK into a rifle using the kit from Mech Tech! This is simply a MUST HAVE COURSE for any GLOCK owner!