Revanchist Airsoft Thumb Rest (Type B) for SIG AIR P320 M17 Airsoft GBB

Revanchist Airsoft Thumb Rest (Type B) for SIG AIR P320 M17 Airsoft GBB Stainless Steel Construction (Matte Stainless Finish) Design For Replace the Original Slide Release Suitable For SIG AIR P320 M17 Series Airsoft Gas Blow Back GBB Pistol Airsoft Guns