Having an issue installing a tracer unit to the VFC AVS74U GBB? Here is a fix by 6mm Badger... "The VFC AKS-74U GBBR is easily one of my favourite replicas right now — but it has one very real issue: the inner barrel is so long that most tracer units simply don’t work.
In this video, I’m trying to finally solve that problem.
I’ve already shown a couple of solutions that do work: