Maxx Speed Trigger

Looking for M4 metal upper receiver.

i can make you any size any type custom rails for your airsoft cheap strong and cost effective msg for quote

I have a shoulder injury so unfortunately I have to give up the game, and as such I am selling all of my kit. Loads to list so please view the pictures. I will not separate as I'd be selling forever lol Open to realistic offers I also have 2 x RIF's in separate ad.