WISE ARMS 16″ BILLET 5.56 W/ 15″ RAIL PRODUCT DESCRIPTION WISE ARMS LLC 16 INCH 5.56 COMPLETE RIFLE. BILLET LOWER RECEIVER W/ OVERSIZED TRIGGER GUARD MACHINED IN MIL SPEC LOWER PARTS KIT MIL SPEC 6 POSITION BUFFER KIT AND STOCK FORGED UPPER RECEIVER WITH FORWARD ASSIST AND DUST COVER BLACK NITRIDE M16 BCG WITH STANDARD CHARGING HANDLE 16 INCH 5.56 NATO M4 PROFILE BARREL WITH STANDARD FLASH HIDER 15 INCH KEYMOD HAND GUARD COMES WITH ONE 30 ROUND MAGAZINE   ALL WISE ARMS LLC FIREARMS COMES WITH A LIFETIME WARRANTY.