been working on mine since i got it....ordered a bunch of parts and while doing the install i noticed some issues and modified it.
first is the bolt lock that in some instances it will lock back but won't release and someone did a fix using cardboard and tape but i just replaced the spring with a harder tension.
i know its just airsoft but having no gas tube makes it empty inside the rail and when i got the noveske rail i forgot bout the gas block so i just modified the stock a2 sight so it fits inside the rail.
note to all getting a rs magpul moe+ grip (rubberized) that it will ru