300 BLK Upper Receiver

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$250.70 $323.95

NBS 16″ 300 BLK Nitride Carbine M-LOK Upper Assembly

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    NBS 16″ 300 BLK Nitride Carbine M-LOK Upper Assembly

    A quality 300 BLK upper assembly without cutting corners. This means starting with a top tier mil-spec forged upper receiver, using a nitrided steel gas block as opposed to phosphate or aluminum, quality American Made M-LOK handguards and one of the nicest nitrided A2s you’ll find anywhere. This also means taking the time to ensure that the upper will function reliably. You see plenty of pistol 300 BLK builds, and we wanted to make something different without losing what makes a 300 BLK build so unique. We use Permatex 242 on key components while using mil-spec AEROSHELL 33MS Anti-Seize grease on the properly torqued barrel nut and muzzle device.Bottom line is this: you hear all the time about guys buying a budget upper and it not lasting or having to send it back because of some hardware defect or other issue caused by a careless assembly process. That is why we use top tier components and assemble each unit to the highest standard of quality. We want your upper to function flawlessly out of the box. In fact, we guarantee it will.Buy with confidence, this upper is backed by our 30 day satisfaction guarantee. Buy it, run it, abuse it, and if you aren’t satisfied you can send it back for a full refund.Lifetime WarrantyGuaranteed Sub-MOA performance with match grade ammo and proper shooting techniqueMade in the USA
    ADDITIONAL INFORMATION
    WEIGHT 0.0000 oz
    BARREL FINISH Nitride / Melonite
    BARREL PROFILE M4
    GAS SYSTEM LENGTH Carbine
    BARREL LENGTH (INCHES) 16
    BARREL CHAMBER 300 BLK
    TWIST RATE 1:8
    BCG / CHARGING HANDLE Not Included
    BRAND nbs

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