Perhaps he's making an RPK.
I put a bore-up into a RPK with a 590mm barrel... aaaaand the results are fantastic... Sadly it's always on the other team that I am.. sooo an LMG with INSANE range is not something I'm looking forward to playing against every week lol
Gun Technician and Tuner
Well versed in every AEG version and all major gas and spring systems.