Aero Precision M4E1 Threaded No FA Complete Upper 16" 5.56 Mid 15" M-LOK ATLAS R-ONE - Anodized Black

Aero Precision M4E1 Threaded No FA Complete Upper 16" 5.56 Mid 15" M-LOK ATLAS R-ONE - Anodized Black Lightweight and Customizable Upper with ATLAS R-ONE Handguard and No Forward Assist The Aero Precision M4E1 Threaded No Forward Assist Complete Upper offers a sleek, high-performance upper receiver built for the modern AR enthusiast. Paired with a 15" ATLAS R-ONE M-LOK Handguard, this complete upper is designed for shooters seeking optimal balance, weight reduction, and ample attachment real estate. The M4E1 upper receiver is precision-machined and features a distinctive billet-style design while retaining the strength of a forged part, and it comes equipped with a mid-length 16" 5.56 CMV barrel. Key Features: M4E1 Threaded Upper Receiver (No Forward Assist): Custom enhanced forging for a billet-like appearance with the strength of a forged upper. Seamlessly integrates with Aero's Enhanced and ATLAS Series Handguards. 15" ATLAS R-ONE Handguard: Ultra-lightweight M-LOK handguard with a full-length Picatinny rail and quick disconnect (QD) sling sockets at the 3, 6, and 9 o'clock positions. Provides maximum versatility for accessory mounting. 16" 5.56 CMV Barrel: Chambered in 5.56 NATO, with a 1/7 twist rate, mid-length gas system, and .750 gas block journal for enhanced performance and reliability. Mid-Length Gas System: Balanced recoil and efficient cycling for smoother shooting. Standard A2 Flash Hider: Reduces muzzle flash for improved shooting visibility. Durable Construction: Machined from 4150 Chrome Moly Vanadium steel with a QPQ coating for durability and corrosion resistance. Specifications: Platform: AR-15 Caliber: 5.56 NATO Barrel Length: 16" Gas System Length: Mid-Length Barrel Material: 4150 CrMoV with QPQ Coating Twist Rate: 1:7 Handguard: 15" ATLAS R-ONE, M-LOK Finish: Anodized Black Muzzle Device: A2 Flash Hider Included Components: Port Door Assembly, Low Profile Gas Block, Mid-Length Gas Tube Not Included: Bolt Carrier Group (BCG) and Charging Handle Inside Diameter (Handguard): 1.3" Outside Diameter (Handguard): 1.5" Achieve greater versatility, reduced weight, and consistent performance with Aero Precision's M4E1 Complete Upper, built for enhanced handling and customization. Upgrade your AR-15 and experience lightweight versatility and dependable performance. Order today and take your rifle to the next level!