Pro Arms CNC Aluminum RMR Mount Base For Umarex (VFC) Glock Series GBB Airsoft Pistol Buttstock you get all the rigidity

you get all the rigidity you would expect from a kydex pouch and the lack of noise you want from a nylon pouch

The full metal flip-up sights and ambidextrous controls

Nylon Fiber Receiver and Extended Top Rail with built-in front / rear Sight

x1 CNC Aluminum Hop-Up Chamber M4W unit

Pro Arms CNC Aluminum RMR Mount Base For Umarex (VFC) Glock Series GBB Airsoft Pistol Buttstock you get all the rigidityPro Arms CNC Aluminum RMR Mount Base For Umarex (VFC) Glock Series GBB Airsoft Pistol CNC Aluminum Construction Airsoft Pistol RMR Mount Base Design For Mount The RMR Sight on your Airsoft Pistol Suitable For Umarex G17 Gen 3, Gen 4 G19 Gen 3, and G18C Series Pistol Airsoft Gun