Holosun HS507K X2 Red Dot ET-130221 The Eemann Tech Upgrade Kit

The Eemann Tech Upgrade Kit for GLOCK GEN4 Small Frame 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

Key benefits of active hearing protectors:

Works perfectly with all steel framed CZ pistols with any installed disconnector

The Lakeline LLC Buffered Recoil Assembly simply can't mark or gouge the slide on your TX22

B&T's polymer magazines offer excellent reliability and durability

Holosun HS507K X2 Red Dot ET-130221 The Eemann Tech Upgrade KitThe HS507K X2 is an open reflex optical sight designed for subcompact pistol applications. The HS507K X2 improves on the previous version by adding Lock Mode which was first introduced in our 2018 LEM pistol optic models. Lock Mode, when activated, locks the buttons preventing inadvertent setting changes. Additional features include Holosuns Red Super LED with up to 50k hour battery life, Multi Reticle System, and Shake Awake. The durable housing is