WORKHORSE® Upper 10.5in 5.56 NATO 1:7 9.5in M-LOK® - Without BCG or CH

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    Specifications:

    • SKU: WH-UR-10.5-556

    • Barcode: 810033783784

    • Barrel Length: 10.5in

    • Gas System: Carbine

    • Barrel Profile: A2

    • Barrel Steel: 4150 Chrome-Moly Vanadium

    • Barrel Finish: Nitride

    • Chrome Lining: None

    • Muzzle Thread: 1/2-28

    • Chamber: 5.56 NATO

    • Twist Rate: 1:7

    • Barrel Extension: M4

    • Diameter at Gas Block: .750

    • Gas Block Type: Low-profile

    • Muzzle Device: A2 Flash Hider

    • Receiver Material: Forged 7075 T6

    • Receiver Type: M4

    • Handguard Type: WORKHORSE® 9.5in M-Lok® Free Float Rail

    • Bolt Carrier Group Included: No

    • Bolt Steel: N/A

    • Bolt Carrier Profile: N/A

    • Charging Handle Included: No

    • Overall Length: 18.5in

    Barrel: Rosco Manufacturing 10.5in 4150V Chrome Moly Vanadium steel barrel, chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a Mid-length gas system. The barrel is finished with a .750" diameter low-profile gas block, WORKHORSE® 9.5in M-Lok Free Float Rail, and an A2 flash hider.


    Upper: Forged 7075-T6 AR upper is hard coat anodized black for durability. Featuring M4 feed ramp cuts, these upper receivers are made in the USA.


    **This Upper Does Not Include BCG or Charging Handle**


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