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HomeAR PartsUpper ReceiversComplete Uppers M4E1 Complete Upper, 16″ 5.56 M4 Carbine Barrel, EM15 HG Gen 2
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Aero Precision

M4E1 Complete Upper, 16″ 5.56 M4 Carbine Barrel, EM15 HG Gen 2

$509.99 $420.74

Available on backorder

What does 'Available on backorder' mean?For many of these items, they are simply 'special order', so we can have them in only a few days. Some products, however, carry extended lead times and may not be immediately available. If you have any questions about the lead times on a particular product, please contact us and we'll be happy to assist you.

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SKU: APAR640251M6 Categories: AR Parts, Complete Uppers, Upper Receivers
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    Description

    Aero Precision’s M4E1 5.56mm 16″ Carbine Upper Receiver comes fully assembled, minus only the bolt/carrier group and charging handle – the two components any AR-15 fan with even a little urge to customize wants to replace anyway. Aero’s M4E1 receiver combines the unique look of a custom billet receiver with the affordability and “mil-spec” parts compatibility of a forged receiver.

    The M4E1 5.56mm 16″ Carbine Upper Receiver comes with Aero Precision’s latest Gen 2 Enhanced M-LOK Handguard installed to form a solid, monolithic accessory mounting platform. The full-length Picatinny top rail runs from the rear of the receiver across the entire length of the 15″ handguard, which has plenty of M-LOK accessory attachment slots and QD sling swivel sockets at the 3/6/9 o’clock positions. Texture milled into the flats give you a better grip and add to your gun’s unique appearance.

    • Forged 7075 T6 aluminum receiver, Mil 8625 Type 3 Class 2 hardcoat anodized
    • .250″ dia. pivot/takedown pin holes
    • Ejection port cover & forward assist installed
    • Standard CARBINE-LENGTH gas system with low-profile gas block
    • 4150 chrome-moly-vanadium barrel, 1-7″ rifling, black QPQ finish
    • Chambered for 5.56×45 NATO; accepts .223 Remington, too
    • A2-style flash suppressor
    • 15″ OAL M-LOK handguard installed
    • Handguard: 1.78″ inside diameter clears most muzzle devices and 1.5″ suppressors
    • Bolt/carrier group & charging handle NOT included
    Additional information
    Brand

    Aero Precision

    Caliber

    5.56

    Color

    Black

    Country of Manufacture

    United States of America

    Finish

    Anodized

    Length

    16"

    Platform

    AR-15

    Tier

    Good

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