SACair Forum

Does anyone know if the King arms Troy m7a1 Rail system will work on a kwa km4 (full size not cqb) with leaving on the kwa stock barrel, because i want the rail system on there but i do not want that short as barrel in my brand new gun

I have not dealt with that kit specifically, but have with other King Arms free float systems. The ones I've installed fit on to KWA barrel nuts and line up with the upper very well. I imagine King Arms would not have made this one any different.