GHK SG 551/553 Trigger Group Assembly

Disassembling and reinstalling the fire control group for a GHK SG 551 or 553.

[@keyboardcommando5146]

Good stuff man, much appreciated!!!

[@dolandulin163]

Thx bud

[@CarlosRodriguez-qu9fu]

Hello I have a question for you if you can answer it. I am having an issue with my 533 where when I put it in 3 round burst it is full auto But when I take it apart and do it manually cycle the hammer It will lock back but once it's together and I fire It only shoots full auto