MR. HOP-UP RUBBER VSR/GBB

“Maximum Range” MR.HOP

features:
●For GBB/VSR10 spec inner barrel and without modifying
●Larger & wider contact area inside of BB pellet has better hop effect with heavy BB
●For Heavy BB pellet only
●The “Shield” shape groove design has a better hop effect when the tensioner/lever press it
●Retain the steel “C-ring” design for air seal from “Transformer HOP” series