The Glock 19 Gen4 MOS is one of the most well-liked compact full-dimension-body pistols for day to day carry, house protection, and Skilled use. When you’re looking for Glock 19 Gen 4 available, Glock 19 MOS gen four, or variations like g19 gen 4 mos, this article will make it easier to have an understanding of what makes the Gen4 MOS model Speci