FRNKLN 1223 M4 5.56 W/BFS3

Action : Semi-Automatic
Caliber : 223 Remington/5.56 NATO
Barrel Length : 16"
Capacity : 30+1
Stock Description : 6-Position Black
Metal Finish : Black Hard Coat Anodized
Muzzle : A2 Flash Hider
Receiver Material : 7075 T6 Aluminum
Twist : 1:7"
Barrel Length Range : 16.00" to 17.99"