Atomic Armoury M4 CQB Version.
Metal handguard, receiver, buffer tube, handle, sights, barrels.
Precision upgraded metal V2 Atomic Armoury gearbox.
Inclusions metal gears upgraded piston rack, upgraded cylinder head and nozzle. and other parts internal added for superior performance.
11.1V Lithium Polymer Battery OK.
FPS Average 280
These things are awesome after factoring all the metal parts they are great for the price!