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DUE TO HIGH ORDER VOLUME PLEASE ALLOW 2-3 ADDITIONAL BUSINESS DAYS TO PROCESS AND SHIP YOUR ORDER. IN ADDITION, MOST SHIPPING CARRIERS ARE EXPERIENCING SLIGHT DELAYS. WHEN ORDERING FIRARMS, PLEASE CONTACT YOUR DEALER BEFORE YOU ORDER TO CONFIRM THEY ARE CURRENTLY ACCEPTING TRANSFERS.
AIM AR/M16 .223/5.56 NiB 9310 MPI Bolt Carrier Group

AIM AR/M16 .223/5.56 NiB 9310 MPI Bolt Carrier Group

Item #:
XAIMBCGNIBBDG
Brand:
$119.95

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Maximum Purchase:
35 units

AIM AR/M16 5.56/.223/.300 BLACKOUT complete Nickel Boron Bolt Carrier Groups. We are having these bolts manufactured to our exacting standards with no Frills added to be able to offer the best BCG at the Best Price! Features 9310 Bolt Material; 8620 carrier and 4140 gas key; Properly staked machi...

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WARNING: This product can expose you to chemicals including nickel & chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov
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    AIM AR/M16 .223/5.56 NiB 9310 MPI Bolt Carrier Group

    Item Specs

    Manufacturer: AimSurplus Caliber: .223/5.56/.300 Finish: NiB

    More Information

    Assembly
    The requirements for assembly of our Bolt Carrier Groups are much higher than most. Before assembling the gas key to the carrier, permatex NO.3D aviation is applied to form-a-gasket around the gas hole (per MIL-SPEC). Then Grade-8 hardware is used to attach the gas key, followed by properly staking per spec. When installing the extractor to the bolt, a crane-o-ring is inserted with the spring to insure proper ejection. Then high temperature grease is applied to the gas rings before inserting the bolt into the carrier, which allows for much smoother operation. These BCGs are inspected to the highest of standards, to insure a high quality product that is 100% reliable for our customer… PROUDLY MADE IN THE USA!

    Carrier
    • M16 style (Auto)
    • Machined from 8620 tool steel
    • Heat treated to military specifications
    Bolt
    • Machined from 9310 tool steel
    • Heat treated to military specifications
    • Shot Peened
    • Ground to meet military required tolerances
    • MPI (Mag Particle Inspected)
    Gas Key
    • Machined from 4140
    • Heat treated to military specifications
    Extractor
    • Machined from 4140
    • Heat treated to military specifications
    • Shot peened
    Firing Pin
    • Machined from 8640 tool steel
    • Heat treated to military specifications
    • Ground to meet military required tolerances
    • Coated with .0002”-.0003” of hard chrome per MIL-STD-171 1.2.2.2
    Cam Pin
    • Machined from 4340
    • Quench and temper heat treat
    • Ground to meet military required tolerances
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