Crusader Guide/VFC Hop Set for Umarex / VFC Glock 17 Gen.3 GBB Pistol

• New Guide-HOP Kit Features:
  Adjusting directly by hex key or hand turning.
  Includes 1 black anodized precision barrel for drop-in install.
  Chromed Steel balanced pressurizing lever system.
  Additional slide protection buffer included.
  for Umarex / VFC Glock 17 Gen.3 GBB Pistol