Aero Precision M4E1 Standard Assembled AR-15 Upper Receiver No Forward Assist Aluminum Black

Aero Precision M4E1 5.56 NATO No Forward Assist Threaded Assembled Upper Receiver Anodized Black. Machined from custom 7075-T6 aluminum forgings this upper receiver is compatible with mil-spec AR15 components. Specifications for Aero Precision M4E1 5.56 NATO No Forward Assist Threaded Assembled Upper Receiver: Manufacturer: Aero Precision Fabric/Material: 7075-T6 Aluminum Caliber: 5.56x45mm NATO Gun Make: AR Platform Gun Model: AR-15 Condition: New Mount Type: Picatinny Bolt Carrier Group Included: No Charging Handle Included: No Gun Rail: Picatinny Attachment Type: Picatinny Gun Type: Rifle Features of Aero Precision M4E1 5.56 NATO No Forward Assist Threaded Assembled Upper Receiver No Forward Assist Custom enhanced forging that gives the upper receiver a "billet look" while maintaining the structural integrity of a forged part. Picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards M4 Feedramps .250 takedown pin holes Package Contents: Aero Precision M4E1 5.56 NATO No Forward Assist Threaded Assembled Upper Receiver Threaded For Enhanced Customizability What firearm models does the manufacturer say Aero Precision M4E1 5.56 NATO No Forward Assist Threaded Assembled Upper Receiver is compatible with? The manufacturer says that Aero Precision M4E1 5.56 NATO No Forward Assist Threaded Assembled Upper Receiver is compatible with AR-15Aero Precision APAR712201AC: M4E1 5.56 Threaded Assembled Upper Receiver No Forward Assist Anodized Black