Frog Special #07 - Super realistic and heavy FE/VFC M249 GBB MG build part 2

All GBBR conversions available for sale! Check pricing and availability on our Facebook page:   / frog-engineering-112514527894929   Orders are accepted through Facebook Messenger. The scond part of M249 VFC GBB MG adventures is here!!! This is the time for the most complicated assembly, the receiver. Check out how its tuned to be all steel (where possible) !!!