Aero Precision M4E1-E 16" 22 ARC Rifle EM15 Complete Upper - Black Anodized

Aero Precision M4E1-E 16" 22 ARC Rifle EM15 Complete Upper - Black AnodizedPrecision Redefined for the 22 ARC PlatformPush the boundaries of long-range performance with the Aero Precision M4E1-E 16 22 ARC Complete Upper. Engineered for shooters who demand sub-MOA accuracy and superior platform rigidity, this upper leverages Aero's Enhanced series architecture and the advanced ballistics of the 22 ARC cartridge to deliver reliability and precision-whether on the range, in the field, or in competition.Features M4E1 Enhanced Upper Receiver: Machined from 7075-T6 aluminum with a Type III Class 2 black anodized finish. Features Aero's threaded handguard interface that eliminates the need for a traditional barrel nut-ensuring an ultra-rigid connection between the receiver and rail. EM15 Enhanced M-LOK Handguard: Directly threads into the upper receiver for unmatched rigidity. Offers M-LOK slots at 3, 6, and 9 o'clock for optimal accessory placement. Slim and ergonomic for enhanced handling. SPR-Profile 16" Barrel - 22 ARC Chambered: The Special Purpose Rifle (SPR) profile barrel is optimized for accuracy and recoil balance. At 16", it delivers ideal harmonics and velocity retention with the flat-shooting, high-BC 22 ARC cartridge. Rifle-Length Gas System: Smooth cycling and reduced felt recoil, especially beneficial when running a suppressor or during extended strings of fire. 22 ARC Cartridge Advantage: Designed by Hornady for precision and terminal performance, the 22 ARC provides greater retained energy, flatter trajectories, and less wind drift than traditional 5.56 NATO-while remaining compatible with standard AR-15 lowers and magazines.Specifications Caliber: 22 ARC Barrel Length: 16 Barrel Profile: SPR Gas System: Rifle-Length Twist Rate: 1:7 Muzzle Thread: 1/2x28 Upper Receiver: M4E1 Enhanced (7075-T6 Aluminum, Black Anodized) Handguard: EM15 Enhanced M-LOK Finish: Black Anodized Platform: AR-15 Compatibility: Fits all mil-spec AR-15 lower receivers BCG / Charging Handle: Not IncludedDrop-in ready for any mil-spec AR-15 lower receiver. Bolt carrier group and charging handle sold separately unless otherwise noted.