I don't own a Glock, but I have heard the new Gen4 is glitchy. GLOCK Inc. announces that it is voluntarily exchanging the recoil spring assembly (RSA) on its new Gen4 pistols shipped since August, ...

While not explaining why, Glock USA just announced that it will trade your Gen4 recoil spring for an updated version "in order to ensure our products perform up to GLOCK's stringent standards," says ...