Colt’s Manufacturing Company re-introduces the renowned Sporter line of firearms with the SP6920 and the SP6940, carbines with all the features you would want on a modern rifle. Modeled after the Colt M4 carbine supplied to the U.S. Government, the SP6920 has a 4 position collapsible buttstock, 16” chrome lined barrel and a fl at top upper receiver with a removable carry handle. The SP6940 has the same 4 position collapsible stock and 16” chrome lined barrel, while adding a one-piece monolithic upper. This one-piece upper incorporates a continuous Mil-Spec M1913 rail from the rear of the upper receiver to the folding front sight, allowing for endless optic, laser and light combinations. Shoot the rifle that America’s Armed Forces rely on!