The G&G ARP556 CQB M4 AEG - Battleship Grey - Top Tech.  This is a very compact M4 airsoft gun for CQB battlefields.  It's shocking how small this well built all metal gun is.  Can use all standard M4 parts, accessories, magazines, etc.  This is a Top Tech G&G model, featuring full metal parts, body, receiver, stock, barrel, etc.  This gun is solid!  Internally programmable Mosfet unit for 3-round burst and other options.  Built to use LiPo batteries out of the box.  Compact PDW style stock is rock-solid and adjustable. Front rail is for M-Lok.

FPS around 350 w/.20 BBs

Includes a M4 450 rnd hicap magazine.

Note: Does not include battery or charger.  Battery specs:  Fits short 7.4v and 11.1v lipo stick batteries in the PDW stock.