Colt - M4 CM5-Sentry Carbine 5.56 NATO Rifle 16" - CM556-16-M5S

The Colt M4 Carbine features a completely redesigned lower receiver and upper receiver with full ambidextrous controls and an enhanced upper receiver rail design which ensures extreme rigidity.

Chambered in 5.56 NATO (.223 Remington), this rifle features a 16-inch chrome lined barrel, A2 birdcage flash hider, 1:7” rate of twist, Aluminum construction, free float M-LOK handguard, full length picatinny rail for optic mounting, low profile flip up adjustable sights, ambidextrous controls, single stage trigger, direct gas impingement operating system, polymer grip, and a Magpul CTR 4-position adjustable stock. This rifle ships in its factory box with one polymer Magpul PMAG 30-rount magazine,owner’s manual, and a lock. 

• Colt's Proprietary Free Float Rail & Upper Receiver System
• Redesigned Lower with Fully Ambidextrous Controls
• Folding low profile adjustable sights
• 16.1" 4150 CMV barrel
• Folding low profile
• adjustable sights