Action Army AAP01 GBB Part - Black Mamba CNC Upper Receiver Kit (AAP01) Helmets and Accessories Uses a Tamiya connector

Uses a Tamiya connector

This gun is great if you are looking for a M4 with a longer barrel and rail system

Very reliable and a solid seller

A much nicer upgraded hopup chamber for use on AAP-001 airsoft pistols

NOTE: this gun will only work with Elite Force MP5 Magazines and compatible types (we got the Marui Drum to work)

Action Army AAP01 GBB Part - Black Mamba CNC Upper Receiver Kit (AAP01) Helmets and Accessories Uses a Tamiya connectorAction Army AAP01 GBB Part Black Mamba CNC Upper Receiver Kit (AAP01). A very nice full metal slide upgrade to any existing stock AAP pistol. Full top rail and extra enhancements for the ultimate custom pistol. Made to fit specifically on the airsoft AAP01 gas blowback pistol. Official Action Army product. Easy to install and upgrade with. Has outer metal 14mm CCW threaded extension on the slide built in. STYLE 1 (AAP01)