Unlike the standard Gen8 M4A1 Blaster, this Gen8 M4A1 comes with a Stronger More Durable Receiver, and XMT01 PDW Buttstock, and a full metal handguard setup. The gearbox has been upgraded with a stronger Spring, and green oversized o-ring for better pressure. Description: – TOUGHER Nylon Receiver – Full Metal 6.6 inch Quad Rail – Full Metal Outer Barrel Adaptor Stabilizer – Metal Triangle Aim with Sling Swivel Mount – Alloy Threaded Flash Hider – Nylon Grip – Nylon Top Rail – Carry Handle / Sight – Nylon/Metal Rods PDW XMT01 Retractable Stock – UPGRADED Tension Spring – UPGRADED Oversized O-Ring Package Comes with: – CUSTOM M4 A1 Gel Blaster – Magazine – XMT01 Buttstock – 7.4v Battery USB Battery Charger – 7-8mm Dehydrated Gel Balls Please Note that all gen8 gearbox only operates in full auto.
