Product DescriptionThe Primary Weapons MK114 Mod 2-M is built for AR-15 users seeking a reliable, performance-focused upper assembly chambered in .223 Wylde. Centered around a 14.5 inch anodized barrel, this setup uses the acclaimed PWS long stroke piston system to help reduce fouling and support dependable operation in demanding conditions. Its 3-setting adjustable gas system gives shooters the ability to fine-tune gas flow for different ammunition types, environmental conditions, and suppressor use, making it a versatile choice for serious range, training, and defensive applications.Product Highlights PWS long stroke piston system is engineered for reliable cycling and reduced fouling compared with traditional direct impingement setups. Chambered in .223 Wylde for compatibility and performance across a wide range of .223 and 5.56-style shooting applications. 14.5 inch anodized barrel offers a durable finish suited to hard use on AR-15 platforms. 3-setting adjustable gas system allows easy tuning for ammunition selection, changing conditions, and suppressor optimization. Designed by Primary Weapons as part of the MK114 Mod 2-M family for shooters who value adaptability and proven piston-driven performance. Specs Brand: Primary Weapons Model: MK114 Mod 2-M Platform: AR-15 Product Type: Upper Assembly Chambering: .223 Wylde Barrel Length: 14.5 in Barrel Finish: Anodized Operating System: Long Stroke Piston Gas System: 3-setting Adjustable Gas System Manufacturer Part Number: MK1M2U22314NC UPC: 811154033222 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.