Unicorn Airsoft 50 Degree Hop Up Bucking for WE/Marui/KJW/VFC (Umarex) Airsoft GBB (Precision Grade)

Unicorn Airsoft 50 Degree Hop Up Bucking for WE/Marui/KJW/VFC (Umarex) Airsoft GBB (Precision Grade) Rubber Construction 50 Degree The Bucking fits easily and provides Improved Shooting Consistency The Higher Degree Rubber Hop Up Bucking For heavier weighted BB Pellet Suitable For WE/ Tokyo Marui/ KJ Works /VFC (Umarex) Airsoft GBB