Inner diameter: 14

as it is easier to reach with the thumb and also offers more grip compared to the original Glock magazine release button

Extremely ergonomic aluminum grips from Toni System

The sides are coated with a non-slip

Walther PDP / Q5

GP Stribog AR15 Schaft Adapter PCC Inner diameter: 14AR15 Stock Adapter for the Grand Power Stribog This adapter allows you to equip the Grand Power Stribog with an AR 15 stock. Simply remove the original butt plate or folding stock and insert this AR stock adapter in its place. Please note that an AR 15 buffer tube, a locking castle nut, and of course an AR15 stock are still required to complete the conversion. OEM part number: 43003267