The Glock USA pistols have American made frame, slide and barrel. The rest of the components come from Austria. All materials for manufacturing the frame, slide and barrels come from Austria and shipped to the US facility. There are no material procurements in the US. Glock Austria keeps 100% quality control of every aspect of production. There is less than one-inch difference in barrel length between the two. At 6.5 inches in length, the 43X is slightly shorter than the Glock 19, which is 7.28 inches in length. The thickness is where you start to see a drastic change between these two pistols. Of course, the G19 uses a double-stack magazine, and the G43X, a single-stack. The regular Glock 19 comes with fixed sights and no accessory rails, while the MOS version has an accessory rail and interchangeable sights. The MOS version also has a much longer barrel, which can be more accurate over longer distances. Additionally, the MOS version has a much lower profile, making it better for concealed carry. The DOT Connector would produce about 5.0-lbf pull and the MINUS Connector about 4.5-lbf. The Trigger With Trigger Bar is part 2303 for a Gen3 G19 and has a grooved Trigger. The TWTB is part 357 for a Gen3 G17 and has a smooth-face Trigger. Both parts are interchangeable. "Well Govan, if we are to die, let us die like men." The first difference between Glock 19 Gen 3 and Gen 4 that many sees are the grips. The Glock 19 4th Generation handgun adds texture and dimension. … The next of the Glock 19 Gen 4 upgrades to the grip was its texture. The newer grip has a rougher texture than the Glock 19 Generation 3 model. glock 19 for sale, glock for sale Two of those grips also come with built-in beavertails. The real difference between the Gen4 and Gen5 is the finger grooves, which appear on the Gen4 but not the 5. Texture. The texture on the Glock 19 is going to vary, again, based on generation. Biggest Differences between the Glock 21 & Glock 19 Pistol. The biggest, most immediately apparent difference between the Glock 21 and the Glock 19 is size. There is a profound difference between the size of these two pistols. First, the G21 has a longer slide. The 21’s barrel length is 4.61 inches compared to 4.02 inches for the G19. Glock 19 gen 5 or mos. My local blue label dealer right now just has the G19 gen5 with Ameriglo $530 and Stock sights. $445. I wasn’t going to add any red dot for now maybe later when I’m readyIts probably more cost effective to go with the mos rather then have a optic cut but I was thinking of cerakote slide with optic cut down the road. Glock Gen 3 VS Gen 4 Reliability Comparison. Conclusion. The two latest versions of the Glock 19 are not what you would call ‘new’. The Gen 4 has been around for about six years now, and the Gen 3 was introduced in 1996, but people still ask me which one I would recommend, as both versions are readily available on the market. Compare the dimensions and specs of Glock G19 Gen5 and Glock G23 Gen4. Handgun Search; Tabletop Compare; Glock G-19 Gen 5 17Rd Mag . guns.com . 499.99 . View Deal . ZtB4.