We have this transferable M-16 on consignment for a long time customer. It is a Frankford Arsenal (Olympic Arms receiver) M-16 chambered in 5.56 nato. It has a modern POF 14.5" piston operated upper and updated magpul furniture. Three round burst trigger is currently installed but includes full auto fire controls. Will transfer on form 4. Email Ryan at email@example.com or call 281-475-4473.