Product DescriptionThe CMMG Resolute MK4 .22 LR Upper Group is built for shooters who want an AR-platform upper that is purpose-built for .22 Long Rifle performance rather than simply imitating the look of an AR. Designed on the MK4 platform, this 17 inch upper group is made to pair with any standard AR-15 lower group and use .22 AR conversion magazines. Finished in Armor Black and equipped with an M-LOK free-float handguard, it offers a clean, modern configuration for plinking, training, and small-game applications. This upper group also includes key operational components such as the bolt carrier group and charging handle for a ready-to-install setup.Product Highlights Purpose-built CMMG Resolute MK4 upper group chambered in .22 LR for AR-platform use Compatible with standard AR-15 lower groups and .22 AR conversion magazines 17 inch barrel configuration with Armor Black finish for a sleek, durable appearance M-LOK free-float handguard provides accessory mounting flexibility and improved handling Includes bolt carrier group and charging handle for added installation convenience Specs Brand: CMMG Model: Resolute MK4 Upper Group Manufacturer Part Number: 22B83CCAB UPC: 810097502024 Caliber: .22 LR Barrel Length: 17 in Finish: Armor Black Handguard: M-LOK Free-Float Handguard Platform Compatibility: Standard AR-15 lower groups Magazine Compatibility: .22 AR Conversion Magazines Sights: None Included Components: Bolt carrier group, charging handle 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.