Colt LE6940CK Monolithic Upper Receiver Assembly

This assembly boasts Colt's groundbreaking monolithic upper receiver, featuring an uninterrupted full-length front rail for seamless accessory mounting and a free-floated barrel for enhanced accuracy.

Specifications:

• 16-inch 1/7 twist Mil-Spec chrome-lined MP tested barrel
• Compatible with 5.56mm ammunition, including NATO M855/SS109 and U.S. M193, with a
• Rifling twist: 1:7
• Caliber: 5.56mm
• Government profile barrel
• Magpul MBUS Polymer Rear Sight, Adjustable front sight
• Flash Hider