January 28, 2024
Description
Guide hop style retro mod for VFC HK416D & M27 generations 1 & 2. Official VFC system is patent pending, this is just a retro fit upgrade mod to bring your old HK416s back to life. No profit is being made of the mod.
See manual in the video:
License:
Creative Commons — Attribution — Noncommercial — NoDerivatives
11
Frog Engineering
