• Sign In
    • |
    • Track Your Order
    • Email Sign Up
    0 0 items
    Your cart is empty

      Find My Order

      This site uses cookies to enhance your browsing experience. By using our website, you consent to our use of cookies, Privacy Policy, and Terms & Conditions.

      1. Home
      3. Shop
      2

      Products

      Back

      Filter

      2 Products

      Brand

      • Aero Precision

      Items On Sale

      • Expo Arms Brand Sale
      • Geissele Automatics Brand Sale
      • Sons of Liberty Gun Works Brand Sale
      • Clearance
      • Upper Receivers on Sale
      • Faxon Firearms Brand Sale
      • All Aero Precision Barreled Upper Receivers on Sale
      • All Geissele Automatics Barrels On Sale

      Price

      $609.99$574.99

      Color

      • Black
      • Flat Dark Earth

      Attachment System

      • M-LOK

      Barrel Length

      • 8.0"
      • 8.3"
      • 10"
      • 10.5"
      • 11"
      • 11.5"
      • 12.5"
      • 13.9"
      • 14.5"
      • 16"
      • 18"
      • 20"
      • 22"
      • 24"
      See More See Less

      Caliber or Gauge

      • 5.56 NATO

      Gas System Length

      • Mid-Length
      • true

      Customer Rating

        • false

        Thread Pattern

        • 1/2 X 28
        Filtered By: All Aero Precision Barreled Upper Receivers on Sale 13.9"

        Out of Stock

        Aero Precision M4E1-T 5.56 NATO Barreled Upper Receiver - 13.9" - Black Anodized

        View Details
        Add to cart for sale price $479.99 $574.99

        Out of Stock

        Aero Precision M4E1-T 5.56 NATO Complete Upper Receiver - 13.9" P&W - FDE

        View Details
        Add to cart for sale price $399.99 $609.99
        FAQ
          • Contact Us
          • FAQ
          • Return Policy
          • Customer Support
          • Bonus Bucks
          • Privacy Policy
          • In Store Pickup
          • My Account
          • Shooting Safety Rules
          • Free Targets
          • Export and Shipping restrictions
          • Dealer Programs
          • Affiliate Program
          • Military And LE Pricing
          • Gov. Acquisition Form
          • Agency Universal T&E
          • Agency Trade-Ins
          • Sponsorships
          • GLOCK Blue Label
          • Duty Ready Cadet Program
          • Agency Demo Days
          • PA Optics Premier Savings
          • SMS Club
          • Financing
          • About Us
          • Corporate Website
          • Executive Team
          • Career Opportunities
          • Ratings and Reviews
          • News and Press Releases
          • Prospective Suppliers
          • Patents
          • Blog
          • Online Gun Store
          • NTOA
          • Email Me When In Stock
          • Government Division
          • Coupons & Exclusions
          • Promos And Special Offers
        Email Signup
        [email protected] | 713-344-9600
        Cage Code: 87A80
        © 2025 Primary Arms| Terms & Conditions | Do Not Sell My Personal Information