Colt LE6940 AR15 5.56mm NATO 16.1in Matte Black Semi Automatic Modern Sporting Rifle - 20+1 Rounds - The patented one-piece monolithic upper receiver incorporates a continuous Mil-Spec rail from the rear of the upper receiver to the front sight. This feature affords unmatched repeatability for mounting optical systems, not found traditional handguard rail systems. Designed with accuracy in mind, its true free-floating 16.1a chrome lined barrel provides the enhanced accuracy necessary for long-range shooting. Did you know the world renowned line of Colt rifles and carbines are accessible to residents of California? The premier model of this new family is the LE6940CA. This carbine offers a patented one-piece monolithic upper receiver that incorporates a continuous Mil-Spec M1913 Picatinny rail from the rear of the receiver to the folding front sight. This allows for endless mounting options for optics, lights or lasers. The 16.1a chrome lined barrel is completely full floating and produces exceptional accuracy thanks to this monolithic upper receiver. All models in this new family will come standard with nine round magazines and a factory installed Bullet Button(R). Go ahead America, enjoy your Colt rifle! Sights: Flip Up Front and rear / Full Length MilSpec 1913 Rail Patented one piece monolithic upper receiver Continuous Mil-Spec rail True free floating chrome lined barrel