AIP Stainless Slide Stop with Thumbrest for Hi-Capa (Black / Silver) Color:Black Measures muzzle velocity from 30

Measures muzzle velocity from 30 m/s ~ 400+ m/s (90 fps ~ 1200+ fps)

Also compatible with standard V2/M4 platforms

and simulation purposes

Made from high-quality aircraft grade aluminum alloy

-Installation and shimming of engine in gearbox

AIP Stainless Slide Stop with Thumbrest for Hi-Capa (Black / Silver) Color:Black Measures muzzle velocity from 30Suitable for Tokyo Marui Hi Capa Series Airsoft Gas Blow Back GBB Pistol Come With Thumb Rest (Adjustable angle) As always, upgrading GBB require necessary skill & technique, consult expertise if needed Major Color: Silver Built Material: Thumb Rest (Aluminum) Slide Stop (Stainless Steel)