RA-TECH VFC M4 GBB review video

RA-TECH have a new test video for their custom work on the VFC M4A1 GBB:

Dear Arnie, RA-TECH has already released Customwork for VFC M4A1 GBB, and we also make test video via youtube:

[youtube http://www.youtube.com/watch?v=rkI1cmsacr0&hl=en]

(RA-TECH)