Optimized feed ramp angle for reduced Speed Reload split times. Precision CNC Machined for a perfect fit. No added print signature for EDC. Eliminate debris from entering into your pistol through the frame cavity. Significant added weight to reduce felt recoil for competitive shooters and training professionals Speed Feed Pro Brass Model. Approved for use within the USPSA by the Rules Committee. G19-Compatible with all Gen5 Compact GLOCK Frames G19 G23 G32 G38 weight 1.8 oz