Colt M4 Monolithic Carbine 5.56x45 NATO (223 Rem) 16.1 30-Round Rifle

Colt M4 Monolithic Carbine 5.56x45 NATO (223 Rem) 16.1" 30-Round Rifle

The LE6940 displays fresh ingenuity with a Magpul® MBUS® backup sight and a folding front sight for enhanced optical solutions and four rails positions for mounting accessories. 

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 16.1” chrome lined barrel provides the enhanced accuracy necessary for long-range shooting.

  • 7075-T6 aluminum upper and lower receiver with black hardcoat anodized finish
  • 4150 CMV barrel with manganese phosphate finish
  • Reversible safety selector
  • A2 fixed front sight
  • Magpul MBUS® rear sight
  • Government A2 pistol grip 
  • Integrated quad rail positions for mounting accessories and optics
  • 30-round Magpul PMAG® magazine, rail covers, cable lock and manual included
  • Capacity: 30+1
  • Operating system: Direct gas impingement
  • Trigger type: Single stage
  • Barrel technical 1:7 RH, 6 groove, chrome lined
  • Overall length: 32 - 35.5"
  • Unloaded weight: 6.69 lbs.
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More than 160 years ago, a Calcutta-bound, obscure young seaman, carved from a block of wood a model of what was destined to become the world's most famous revolver. His name was Samuel Colt, and from the spark of his inventive genius came the modern firearms of today.

One would search in vain through the pages of history to find a more romantic and glamorous figure than Samuel Colt. His was the mind of a genius, a planner, and a dreamer - all in one. His vision was not local, but worldwide. His ambition exceeded mere prosperity and power. Complete satisfaction could only be his when he had reached the pinnacle of his chosen field.

The Colt firearms company has always been an innovator and a pioneer — implementing mass production techniques, designing for parts interchangeability, always striving to improve production methods. Today, Colt's Manufacturing Company LLC operates just a few miles away from Samuel Colt's original Hartford, Connecticut armory and continues to maintain its position as one of the world's leading gun manufacturers by blending state-of-the-art technologies and modernized manufacturing methods. After all, Colt tradition dictates that the technology be the best available and that quality never be compromised.

Colt - The legend continues.
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Product Details

Colt M4 Monolithic Carbine 5.56x45 NATO (223 Rem) 16.1" 30-Round Rifle

SKU #:
Action design:
Magazine type / Capacity:
Metal finish / Material:
Matte Black
Overall length:
32 - 35.5"
Sights / Scope / Mounts:
A2 fixed front / Magpul MBUS rear
6.69 lbs.
Semi-automatic 16.1" 5.56x45mm $1,399.99