VFC M4 GBB OEM Hop Up Set Guide & Hop System

Designed for VFC Guide Hop GBB platforms including MK18, URGI, and SR16 E3

Compatible with all VFC AR, M4, and VR16 GBB series when using the correct barrel and related parts

Suitable for VFC Forging Series RIS II and FSP GBB models with required barrel changes

Works with VFC MK12 GBB series when paired with the proper barrel and components

Not compatible with any VFC or Umarex HK416 GBB platforms

Built using metal, alloy, and polymer materials for durability and consistent performance

Intended for airsoft use only and made as original VFC parts for proper fitment

Provides an upgrade path to the Guide Hop system for improved hop up stability and alignment