The Colt LE6940CK upper receiver is designed for AR-platform builds, replacement projects, and maintenance applications requiring dependable Colt engineering. Chambered for .223 Remington and 5.56 NATO ammunition, this upper receiver provides broad compatibility with commonly used rifle cartridges while maintaining the established performance standards associated with the Colt brand. Part number LE6940CK identifies this specific upper receiver configuration for accurate selection and replacement planning.
The barrel is constructed from steel and treated with a durable nitride finish. Nitride treatment helps provide a hard, wear-resistant surface designed to support long-term service while offering enhanced resistance to corrosion under normal handling and storage conditions. A 1:7 twist rate is suited to stabilizing a broad range of .223 Remington and 5.56 NATO projectile weights, making this configuration a practical option for training, range use, and general-purpose rifle applications. The upper receiver is supplied as identified by Colt and should be reviewed for compatibility with the intended lower receiver and supporting components before installation.
This Colt upper receiver is intended for knowledgeable firearm owners, armorers, and gunsmiths who require a recognizable replacement or build component from an established manufacturer. Always verify chambering, component compatibility, and installation requirements before use, and follow all applicable firearm safety practices and local regulations. This item cannot be shipped directly to California. Buyers should confirm state and local restrictions before ordering, as additional requirements may apply based on jurisdiction, configuration, or intended use.
Features:
- Brand and Part Number: Colt LE6940CK upper receiver configuration
- Caliber: .223 Remington and 5.56 NATO
- Barrel Material: Steel construction for dependable service
- Barrel Finish: Nitride treatment for enhanced wear and corrosion resistance
- Rate of Twist: 1:7 twist rate for stabilizing a wide range of compatible projectile weights
- Shipping Restriction: No direct shipment to California
