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  • Full Metal Mayhem AR9 BABC Series4.5 AR PISTOL


    FMM AR9 Pistol. 4.5″ Barrel.

    Available on backorder

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    SKU: AR9-BABC-Series4.5 Categories: , , Tags: , , , ,


    AR9 Black and Black Chrome Series4.5 AR Pistol in 9MM.

    This AR9 Pistol, finished in Black and Black Chrome is one of the most unique AR9 pistol you may have ever seen. Chambered in 9MM the AR Pistol features include a shorter buffer tube, a 4.5″ barrel and a free-floating 4″ M-LOK handguard, making it extremely compact. Other features include a single-stage 4lb pull, drop-in trigger, two 33-round 9mm Glock-compatible magazines, a red/green multi-reticle reflex sight and a soft case. This AR9 uses the blow-back system and features LRBHO (last round bolt held open) for faster reloads and is built on a 9mm specific upper and lower receiver (does not use magazine adapters.)

    This premium Black and Black Chrome AR Pistol will be the standout in any collection.

    Read Carefully: This custom AR Pistol is built to order. Work begins when your order and payment is received. Delivery is approximately 3 weeks (depending on availability of components, it could be shorter, or longer. Once the work has begun, payment is not refundable. You will be advised when your custom AR Pistol is in testing (all Full Metal Mayhem firearms are test-fired) and when quality assurance has been completed. Shipping to your FFL is included in the price. It is your responsibility to be able to pass a background check and/or otherwise be able to own this type of firearm. Always check your state and local laws if in doubt.

    Please email any questions, concerns, requests to sales@fullmetalmayhem.com or use “Order Notes” on the checkout page to request modifications or add additional information regarding your order.

    Check your local and state laws regarding magazine capacity and detachable magazine compliance before ordering. Not legal for sale in California. You must be 21 or older to purchase.

    Ships to your FFL.

    Eligible for Free Shipping

    Additional information


    Full Metal Mayhem


    AR9 BABC Series4.5


    AR9 Pistol








    33 Round


    Ambidextrous Safety Selector


    4 lb Pull, Drop-in, Single-Stage


    4.5" Barrel (chambered in 9MM
    1:10 twist, Steel
    4" Handguard, M-LOK
    Foam Pad on Buffer
    4lb Drop In trigger with Nickel-plated Adjustable Shoe
    Black Chrome plated Ambidextrous Multi-Degree Short-Throw Safety Selector
    Reflex sight


    Forged 7075-T6 Aluminum/Carbon Steel,
    Finishes: Black Anodized, Black Nitride, Black Chrome, Nickel


    33-Round Glock compatible magazine, 2 each
    Soft AR Pistol case


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