The Ghost Extended Slide Release for the G42/43/43x/48 is designed for more aggressive manipulations for positive slide releases and slide stopping power under most adverse conditions. The Glock G42/43/43x/48 ESR is black Teflon coated.
Larger is better and faster!
Larger gives you a definite advantage!
Large enough for fast controlled executions but streamlined to be unobtrusive.