The Colt LE6933 Enhanced Patrol Rifle II Upper brings Colt’s proven carbine heritage to your existing AR-15 lower. This complete upper receiver assembly is built around an 11.5" Colt-spec CrMoV steel barrel chambered for .223 Remington/5.56 NATO, paired with a Surefire SF3 flash hider and a carbine-length direct impingement gas system for dependable function in a compact package.

Designed for shooters who want a professional-grade short upper for training, range use, or duty-style configurations, the LE6933 EPR II Upper combines certified mil-spec materials, chrome-lined bolt carrier group, and an M-LOK compatible rail for modern accessory mounting. It offers a balanced blend of durability and performance while leveraging Colt’s long-standing reputation for quality manufacturing and consistent reliability.

Key Features:

• Manufacturer: Colt Mfg
• Model: LE6933 Enhanced Patrol Rifle II Upper
• Caliber: .223 Remington/5.56 NATO
• Barrel Length: 11.5"
• Operating System: Carbine-Length Direct Impingement
• Included Muzzle Device: Surefire SF3 Flash Hider
• Handguard Type: M-LOK Compatible Rail
• Bolt Carrier Group: Mil-Spec Chrome-Lined