UNICORN 86mm Inner Barrel HOP-UP Base For VFC/Umarex Glock G19X / G45 / G19 GEN4 GBB Pistol Airsoft (Screw Adjustment) 
 
Materials: zinc alloy, stainless steel, copper, rubber
Corresponding gun type: VFC/Umarex Glock G19X / G45 / G19 GEN4 GBB Pistol Airsoft
UNICORN HOP-UP Seat corresponds to the VFC/Umarex GLOCK series Guide-HOP Quick Adjustment System gun.
UNICORN 86mm GBB precision inner tube + 60 degree HOP-UP rubber is installed.
 
PRODUCED BY UNICORN AIRSOFT, A PROFESSIONAL MODIFICATION ACCESSORIES BRAND!
Stainless steel screw direct lock HOP-UP pressure point adjustment.
High adjustability, can correspond to 0.12~0.43g bullet weight range.
The structure is simple and reliable, reducing the looseness of HOP positioning caused by shooting vibration.
Competitive grade 6.03mm diameter precision tube, copper surface plated Nitroflon.
※After installation, the Guide-HOP front quick adjustment function will be removed.