Eemann Tech Heavy Brass Feed Grip Plug for Glock Gen 4/5, compatible with small frame standard size models like G17, G34, G35, G22 and similar... Weighs ~72 grams. Improves balance and recoil control, easy to install.
The Eemann Tech Upgrade Kit for GLOCK GEN4 allows you to lighten the trigger pull weight of your GLOCK and extend the magazine catch that allows to reduce the time of magazines reloading.