This is a Tokyo Marui m4 Included* -Kwa upper receiver (metal) -original hop up+inner barrel -Tokyo Marui gun -3D printed surefire flash hider -charging handle/fake bolt -upper receiver pin Fixes need to be done* -Dremel out Kwa front pin to match with lower -rewiring aka drop in titan or something for the trigger -check the gearbox if everything is proper for function -DOES NOT work at this moment but pretty easy fix if you know a tech or able to open a gearbox Trades* Are welcome looking for a -Tar 21 -gbb M4’s -gbb ak’s Etc. but no pistols