AR-15 Bolt Carrier Groups – Upper Build.

Narrow by brand

Choose a brand

AR-15 Upper Parts

AR-15 upper parts — shop by part type.
Skip to results list

Filters

575 items

Filter

  • ONE HORSE 10.5" 5.56 BARREL

    ONE HORSE 10.5" 5.56 BARREL

    One Horse

    ONE HORSE 10.5" 5.56 BARREL
    $93.55
  • FAXON AR15 BARREL 350 LEGEND

    FAXON AR15 BARREL 350 LEGEND

    Faxon Firearms

    FAXON AR15 BARREL 350 LEGEND
    $176.00
  • FAXON AR15 BARREL 350 LEGEND

    FAXON AR15 BARREL 350 LEGEND

    Faxon Firearms

    FAXON AR15 BARREL 350 LEGEND
    $172.00
  • FAXON AR15 BARREL 6.5 GRENDEL

    FAXON AR15 BARREL 6.5 GRENDEL

    Faxon Firearms

    FAXON AR15 BARREL 6.5 GRENDEL
    $231.00
  • FAXON AR15 BARREL 9MM PCC

    FAXON AR15 BARREL 9MM PCC

    Faxon Firearms

    FAXON AR15 BARREL 9MM PCC
    $117.00
  • FAXON AR15 BARREL 5.56 NATO

    FAXON AR15 BARREL 5.56 NATO

    Faxon Firearms

    FAXON AR15 BARREL 5.56 NATO
    $174.00
  • FAXON AR15 BARREL 5.56 NATO

    FAXON AR15 BARREL 5.56 NATO

    Faxon Firearms

    FAXON AR15 BARREL 5.56 NATO
    $170.00
  • ODIN BARREL 6.5 GRENDEL 20"

    ODIN BARREL 6.5 GRENDEL 20"

    Odin Works

    ODIN BARREL 6.5 GRENDEL 20"
    $432.25
  • ODIN BARREL 6.5 GRENDEL 18"

    ODIN BARREL 6.5 GRENDEL 18"

    Odin Works

    ODIN BARREL 6.5 GRENDEL 18"
    $451.25
  • ODIN BARREL 6.5 GRENDEL 16"

    ODIN BARREL 6.5 GRENDEL 16"

    Odin Works

    ODIN BARREL 6.5 GRENDEL 16"
    $451.25
  • SHAW BARREL FOR AR15 6MM ARC

    SHAW BARREL FOR AR15 6MM ARC

    Shaw Barrels

    SHAW BARREL FOR AR15 6MM ARC
    $248.40
  • SHAW BARREL FOR AR15 6MM ARC

    SHAW BARREL FOR AR15 6MM ARC

    Shaw Barrels

    SHAW BARREL FOR AR15 6MM ARC
    $259.20
  • SHAW BARREL FOR AR15 22ARC 18"

    SHAW BARREL FOR AR15 22ARC 18"

    Shaw Barrels

    SHAW BARREL FOR AR15 22ARC 18"
    $259.00
  • SHAW AR-15 UPPER 22ARC 22"

    SHAW AR-15 UPPER 22ARC 22"

    Shaw Barrels

    SHAW AR-15 UPPER 22ARC 22"
    $765.00
  • SHAW AR-15 UPPER 5.56 16" HBAR

    SHAW AR-15 UPPER 5.56 16" HBAR

    Shaw Barrels

    SHAW AR-15 UPPER 5.56 16" HBAR
    $765.00
  • SHAW BARREL FOR AR15 6MM ARC

    SHAW BARREL FOR AR15 6MM ARC

    Shaw Barrels

    SHAW BARREL FOR AR15 6MM ARC
    $182.70
  • RRA BOLT CARRIER GROUP 5.56X45

    RRA BOLT CARRIER GROUP 5.56X45

    Rock River Arms

    RRA BOLT CARRIER GROUP 5.56X45
    $168.00
  • GLFA BOLT CARRIER GROUP AR15

    GLFA BOLT CARRIER GROUP AR15

    Great Lakes Firearms & Ammo

    GLFA BOLT CARRIER GROUP AR15
    $179.95
  • FN BARREL AR-15 BUTTON RIFLED

    FN BARREL AR-15 BUTTON RIFLED

    FN America

    FN BARREL AR-15 BUTTON RIFLED
    $279.00
  • FAXON AR15 BARREL .223 WYLDE

    FAXON AR15 BARREL .223 WYLDE

    Faxon Firearms

    FAXON AR15 BARREL .223 WYLDE
    $278.00
  • FAXON AR15 BARREL 223 WYLDE

    FAXON AR15 BARREL 223 WYLDE

    Faxon Firearms

    FAXON AR15 BARREL 223 WYLDE
    $275.00
  • FAXON AR15 BARREL .223 WYLDE

    FAXON AR15 BARREL .223 WYLDE

    Faxon Firearms

    FAXON AR15 BARREL .223 WYLDE
    $246.00
  • FAXON AR15 BARREL 6.5 GRENDEL

    FAXON AR15 BARREL 6.5 GRENDEL

    Faxon Firearms

    FAXON AR15 BARREL 6.5 GRENDEL
    $230.00
  • FAXON AR15 MATCH BBL 6MM ARC

    FAXON AR15 MATCH BBL 6MM ARC

    Faxon Firearms

    FAXON AR15 MATCH BBL 6MM ARC
    $257.00