Product DescriptionThe Colt&';s Manufacturing LE6920EPRII PRO Upper Receiver Kit is a factory-assembled upper receiver conversion kit built for 5.56 NATO and designed to fit AR-15/M4 lower receivers. This 16.1-inch upper brings Colt&';s proven M4 platform into a modern configuration with a matte black finish, free-floating M-LOK handguard, and upgraded sighting and charging components. Built as a complete upper assembly, it offers a practical upgrade path for shooters seeking a duty-ready, modular setup with Colt quality and compatibility.Product Highlights Complete Colt upper receiver kit chambered in 5.56 NATO for AR-15/M4 lower receiver compatibility 16.1-inch barrel in a matte black upper assembly for a clean, modern patrol-style configuration Free-floating aluminum M-LOK handguard helps support accessory mounting and improved barrel isolation Configured with upgraded components including folding iron sights and an ambidextrous charging handle Factory-built upper receiver conversion kit designed for dependable fit, finish, and performance Specs Product Type: Upper Receiver Kit / Upper Receiver Conversion Kit Caliber: 5.56 NATO Barrel Length: 16.1 in Platform Fit: AR-15/M4 Lower Receivers Handguard: Free-floating aluminum M-LOK handguard Sights: Folding iron sights Charging Handle: Ambidextrous charging handle Finish: Matte Color: Black UPC: 098289035639 Manufacturer Part Number: LE6920-EPRII-PRO-CK Brand: Colt&';s Manufacturing Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.