Rival Arms Ra75G211A Grip Plug Compatible With for Glock 19 Gen4 Black Hardcoat Anodized The Grip Plug helps To Improve The Balance And Prevent Debris Buildup In The Grip Of Our for Glock. With The Weight Increase In The Lower Portion Of The Frame, Felt Recoil Is Reduced Making Follow-Up Shots faster And More Consistent. It Is CNC-machined From Aluminum With a hardcoat anodized Finish. Note: This Model Does Not Fit The for Glock 36/42/43 Models. Firearm Type: Handgun Firearm Model: for Glock 19 Gen 4 Material: Aluminum Finish: Black Hardcoat Anodized