M4 short barrel NEXUS HPA drop in gearbox

Very light build g&g nylon receiver, rail and stock, Nexus hpa drop in, zci hop up, omega nub, 6:05 Ics inner barrel.

Point of note the nexus gearbox is ribbed meaning the charging handle and bolt sheath may need a forward assist on occasion if it sticks when released, we haven't filed this down for smoother action, as this would cosmetically damage the nexus paintwork. does not affect use.

2nd hand complete builds or custom builds which include second hand parts, all RIFs will show signs of use, potential cosmetic wear. Please ensure you check photos thoroughly before purchase as no warranty will be offered on wear and tear. All items in this section are sold as seen.