The Glock 19 Gen4 MOS is among the most popular compact whole-size-frame pistols for day-to-day carry, house protection, and Experienced use. In the event you’re seeking Glock 19 Gen four for sale, Glock 19 MOS gen 4, or versions like g19 gen four mos, This information will assist you to recognize what helps make the Gen4 MOS design Distinctive,