Colt M4 Carbine

NEW IN BOX 
Caliber : 5.56 mm NATO 
Capacity  : 30+1
Barrel length  : 16.1 in
Finish  : Matte Black
Stock : 6 position stock
Sights : MAGPUL MBUS
Weight  : 5.95 lbs
Action : Semi auto
Cartridge : 5 56mm NATO
Hand : Right 
Overall length : 35.5in 
Twist : 1:7in
Type : center fire
This is a direct gas impingement semi automatic rifle, threaded 1/2 x 28 TPI , Birdcage A2 style Flash hider , Forged 7075 T6 Aluminum upper/lower Receivers,Flat top upper Receiver , M4 Feed ramps  , Reversible selector switch , Carbine lengthGas system , polymer hand gaurd , A2 Front sight , A2 Pistol grip , Magpul Flip up rear and a forward assist , 3 position hand stop , pro mag Quad rail handguard , M Lock 9 inch bipod adjustable