This is a genuine Pearce Grip Extension for GLOCK 42 Magazines that adds one extra round to your magazine capacity. The Pearce Grip Extensions blend the contours and texture of the G42 handgun and provide you with a factory look. It replaces the magazine floor plate and adds an addition .75" to the length without sacrificing your ability to conceal the firearm. The extra length and ergonomic curve produces greater comfort and better control. They are made from High impact polymer and have withstood drop tests at temperatures from -20 F to 350 F.
Please note that this grip extension will add +1 round to the ammunition capacity of the magazine.