Brand: VFC 

Model: HOP-UP Quick Adjust Tool for EVO AR GBB System

System Compatibility: VFC "EVO" AR GBB System (formerly "Next Gen" AR GBB)

Compatible Models: VFC L403A1 / KS-1 GBB Series

Material: Steel rod with nylon handle

Function: Quick adjustment of TDC-style HOP-UP group

Usage: Insert through ejection port for direct HOP-UP tuning

Features:

Designed for fast and precise HOP-UP tuning

Compatible with 2025 EVO TDC hop-up system

Durable steel construction with ergonomic grip