Externals Magpul stock Magpul trigger guard Magpul angled grip Vfc avolon trigger G&G sling adapter King arms flash hider Ncstar bipod Sightmark holo Internal Polished Shimmed Lubed Shs gears Lonex spring guide Lonex anti reversal latch AA piston and piston head. Valken flat-hopped alloy series 6.03 barrel Prowin hopup -11.1lipo included -No safety -work done by battlegrounds pa