The Glock 19 Gen4 MOS is one of the most well-liked compact comprehensive-size-body pistols for every day have, residence protection, and Experienced use. Should you’re hunting for Glock 19 Gen 4 available for sale, Glock 19 MOS gen four, or variations like g19 gen 4 mos, This information will assist you comprehend what can make the Gen4 MOS mode