Moriarti AR-15/M4 Flat Top Upper Receiver Stripped Black Anodized. Forged from 7075 aluminum known for its strength and durability this upper receiver offers exceptional performance and long-lasting reliability. Its M4-pattern feed cuts ensure smooth reliable feeding making it ideal for any build or upgrade. Specifications for Moriarti AR-15/M4 Flat Top Upper Receiver: Manufacturer: Moriarti Color: Black Finish: Anodized Fabric/Material: Aluminum Gun Make: AR Platform Gun Model: AR-15 Features of Moriarti AR-15/M4 Flat Top Upper Receiver 7075 Forged Aluminum: Crafted from 7075 aluminum forgings this upper receiver is built to last. Known for its high strength-to-weight ratio its the perfect material for rugged dependable performance. Black Anodized Finish: The military-style hard-anodized black finish provides excellent corrosion resistance and a sleek tactical look that can withstand rough use in any environment. M4-Pattern Feed Cuts: Designed with M4-pattern feed cuts this upper ensures smooth and reliable feeding for your AR-15 making it compatible with a wide range of barrels and accessories. Forward Assist & Dust Cover Capabilities: This upper receiver comes equipped with provisions for adding a forward assist and dust cover offering enhanced functionality and operational versatility. Package Contents: Moriarti AR-15/M4 Flat Top Upper Receiver What firearm models does the manufacturer say Moriarti AR-15/M4 Flat Top Upper Receiver is compatible with? The manufacturer says that Moriarti AR-15/M4 Flat Top Upper Receiver is compatible with AR-15Moriarti MAR-AR15-UPR: AR-15/M4 Flat Top Upper Receiver Stripped Black Anodized