Gen 3 pistols chambered for .40 S&W use the exact same dimension recoil guide rod and recoil spring that Gen 3 9mm pistols use. Since Glocks were originally designed for the 9mm which has a weaker ...

As with other Gen 5 Glock pistols, the Glock G20 Gen 5 MOS has some updates to the grip. Most obvious, they’ve ditched the awful finger grooves that the Gen 3 and Gen 4 Glock G20 sported. They got the ...