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    Complete Uppers

    AR-15 Complete Upper Receivers | 300 Blackout Complete Upper Receivers

    The complete uppers featured in our store sport a premium quality construction made using material tested and proven to work. Offering you complete AR 15 uppers from a host of reputable manufacturers in the firearm industry allows you to choose a complete upper for your weapon with confidence. Also available are upper receivers in various calibers such as 300BLK, 6.5 Creedmoor, and AR9 9MM upper receivers for AR15 pistols. Select a manufacturer, caliber, rail format, barrel length, billet/forged, features, rail option or handle, color, and availability. Some complete uppers may require someone who holds a Federal Firearms License (FFL) to receive the upper assembly on your behalf. When you select FFL, you will receive more options to assist you in your searches such as manufacturer, caliber, billet/forged, features, and availability. Upgrade your weapon by selecting a complete upper that will improve performance, increase comfort, and conform to your shooting environment. You can buy other parts that you need to build the upper such as barrels, bolt carrier groups, and muzzle devices in our Upper Receiver & Parts category. Go through our extensive collection of complete uppers to find what you are looking for in our store.

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    Noveske 16" 5.56MM Light Recce Basic Gen1 Upper
    BCM 14.5" Enhanced Lightweight Mod 4 Complete Upper - Pinned Mod 1 Comp
    BCM 14.5" Complete Upper w/ 13" Alpha Handguard - Pinned Mod 1 Comp
    BCM Standard 9" 300 BLACKOUT Upper Receiver w/ 8" KMR-A Rail
    Noveske 18" 5.56MM Gen3 Upper SPR w/15" NSR Rail
    BCM 16" Mid Length Enhanced Lightweight Upper w/ 15" MCMR M-LOK Rail
    BCM Standard 9" 300 BLACKOUT Upper Receiver w/ 8" MCMR Rail
    BCM MK2 BFH 16" Mid Length Enhanced Lightweight Upper w/ 15" MCMR Rail
    BCM MK2 Standard 9" 300 BLACKOUT Upper w/ MCMR-8

    BCM MK2 Standard 9" 300 BLACKOUT Upper w/ MCMR-8

    BCM-MK2-URG-300BLK-9-MCMR-8
    $650.90
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