The Colt M4 Trooper 5.56mm 16″ is a high-quality modern sporting rifle based on Colt’s legendary M4 platform. It features a new Centurion Arms M-LOK capable free-floated forend, offering customization options and easy attachment of accessories. Chambered in 5.56 x 45 NATO, it has a 16.1″ barrel and a 13″ M-LOK capable Centurion Arms forend with Picatinny rail and M-LOK mounting slots. It comes with a standard M4 buttstock, A2 pistol grip, and a 30-round Magpul P-MAG magazine. Please note that there are restrictions on purchase and ownership in certain states. Suitable for personal defense, recreational shooting, or professional use.