Got an airsoft Glock pistol and you want to eke out some performance updrades to it? Watch and listen to Maydaysan Airsoft as he talks about the essential upgrades... "The most popular Airsoft Glock19 is due for some upgrades. Using some ‪@LayLaxOfficial‬ /‪@LayLaxInternational‬ parts, we have optimized this Tokyo Marui Airsoft Glock19 Gen.4 for optimum performance. These are essential upgrades to make, of course you can do more or less, especially if you're an overseas airsoft player."