Introducing the first-ever Glock Extended Slide Release to be CNC Machined! Made from 6061 Aluminum and hard coat anodized their drop-in replacement Glock slide stop is the perfect upgrade for your pistol. Their Glock extended slide release adds surface area and a raised texture that greatly improves usability for all! It is the perfect upgrade for concealed carry AND competition. Never again will your thumb slip while manipulating your Glock slide release! What is it? This drop-in replacement Glock extended slide stop release lever has a surface area extended over the OEM size. It arrives fully assembled with spring and is offered for multiple Glock models. Why use it? One of the main flaws of the Glock Factory release lever is that it offers very little surface area and/or texture. This results in the operator occasionally slipping when attempting to manipulate the lever. Their Glock slide release offers an extended AND raised surface area to ensure easy manipulation of the Glock slide. It is easy to install, functions great, and looks fantastic! For Generation: All For Gun Model: 42 43 43x 48 Caliber: 9mm Disclaimer: When using a relatively new and fully loaded magazine ensure you are using adequate force when loading the magazine in order to maintain the proper function of this ESR. We always recommend taking the slide out of battery with your hand.