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Precision Armament M4 Muzzle Thread Adapter
    Precision Armament M4 Muzzle Thread Adapter
    Purchase Precision Armament M4 Muzzle Thread Adapter
    • Precision Armament M4 Muzzle Thread Adapter
      Not Yet Rated | Write the First Review SKU: 199-PAR-A0200
      Manufacturer: Precision Armament

    • $25.64

      Quantity in Basket:  None


    Precision Armament M4 Muzzle Thread Adapter


    M4 Muzzle Thread Adapter Allows Precision Attachment of 5/8-24 Muzzle-Devices to 1/2-28 and 9/16-24 barrels

    Ideal for attaching our 5/8-24 threaded M11 and M41 Severe-Duty™ Muzzle Brakes to your 1/2-28 or 9/16-24 threaded barrel, as well mounting suppressors and other alignment critical muzzle devices. Wrench flats on shoulder make installation and removal for use on multiple devices simple and easy. Both Internal and external threads are single point cut in same operation to tight UNEF Class-3 tolerances for perfect concentricity and alignment. Compact design moves muzzle device only .100” forward maintaining full thread joint strength. The M4 muzzle thread adapter is precision CNC machined from pre-hardened HTSR 400-series stainless steel bar for superior heat and corrosion resistance.

    Available in an advanced PVD (Physical Vapor Deposition) matte-black finish, offering exceptional durability and corrosion resistance at high temperatures, making it ideal for full auto fire as well as suppressor applications. Also available in matte stainless finish.

    1/2-28 Barrel Thread Adapter: Perfect for attaching any 5/8-24 muzzle device to the standard 1/2-28 AR-15/M16 barrel thread.

    9/16-24 Barrel Thread Adapter: Ideal for attaching 5/8-24 muzzle device to the 9/16-24 threaded barrel on most 6.5 Grendel’s.

    Product Specifications
    • Material: HTSR 416 stainless steel bar
    • Hardness: HRC 26-32
    • Finish: PVD Matte Black – or – Matte Stainless
    • External Thread: 5/8-24 UNEF Class-3
    • Internal Thread: 1/2-28 or 9/16-24 UNEF Class-3
    • Length: 5/8″
    • O.D.: 0.825″
    • Flats: 0.750″
    • Weight: 0.24 oz.


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