The Salty Old Gamer does a head-to-head comparison of the Gen 3 and Gen 4 Glock 17 GBB Pistols from Elite Force... "We're comparing the Elite Force Glock 17 Gen 3 versus the Elite Force Glock 17 Gen 4, head to head. Aesthetics, performance, etc. By the end of this video, you'll know if Gen matters."