Adams Arms P1 Upper 5.56 NATO / .223 Rem 16″ Barrel

$499.99

The Adams Arms P1 is a lightweight and highly durable complete upper assembly for an AR-style rifle build. It comes chambered in 5.56 NATO with a 16 inch barrel. Features include an optics ready flat-top, a heatshield handguard, and a forward assist. Get this upper today for the best price online from us!

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Description

adams arms

Adams Arms is the perfect platform for shooters who enjoy building and customizing their rifle. The P1 model includes our Picatinny Railed Gas Block with 3 adjustable settings and M4 furniture. The P1 is your Piston Driven foundation, ready to be customized to fit your needs.

P1 Upper Specifications
  • Caliber: 5.56x45mm NATO
  • Model: P1
  • Barrel Length Range: 16″ to 16.99″
  • Sights: None, Optic Ready
  • Muzzle: A2 Flash Hider
  • Firearm Fit: AR Platform
  • Handguard Finish: Black
  • Handguards: M4
  • Receiver Finish: Black
  • Receiver Material: Aluminum
  • Thread Pattern: 1 / 2″-28 tpi
  • Twist: 1:7″
  • Weight: 4.10 lbs
  • Barrel Description: 4150 Chrome Moly Vanadium
  • Barrel Finish: Black Nitride
  • Barrel Material: Steel
  • Barrel Length: 16″

    Product Overview

    This Adams Arms P1 Mid Gas Piston Upper Assembly is chambered in 5.56x45mm NATO and comes ready to fire right out of the box after installation onto any standard AR-15 lower receiver. The Base Mid upper comes equipped with a 16″ melonite-finished barrel, A2 flash hider, bolt carrier group, charging handle, picatinny rail gas block, delta ring assembly and Magpul MOE handguards. Additional features include a forged A3 flat-top configuration that’s ready to accept the shooter’s choice of optic and/or rear iron sight, M4 feed ramps to help ensure reliable feeding and functioning during rapid strings of fire, and a mid length gas system for a smoother recoil impulse and longer sight radius.

    The upper’s barrel has been finished inside and out with Adams Arms’ proprietary QPQ Melonite treatment that bonds with the metal on a molecular level. Also referred to as salt bath nitriding, this treatment produces an extremely hard, slick surface on steel that resists carbon adhesion and increases corrosion resistance, extending a barrel’s service life by reducing the friction produced inside the bore upon firing for a net decrease in bore surface wear over time. Nitriding converts the barrel steel’s surface without any build-up, retaining all of the benefits of traditional chrome lining without suffering the accuracy degradation commonly encountered with it due to the uneven application of chrome inside the barrel’s bore. The end result is a barrel that’s capable of producing accuracy on par with a match stainless steel tube, while also exhibiting the longevity and resilience of a chrome lined, mil-spec barrel.

    All Adams Arms uppers feature a short stroke gas piston operating system, which prevents hot gas and debris from being directed back into the action upon firing. The result is a rifle that runs cooler, cleaner and more reliably than those utilizing a standard direct gas impingement system of operation. To ensure that damage doesn’t occur to the buffer tube from carrier tilt, the bolt carrier is equipped with enlarged “skis” to help guide it into the receiver extension. The bolt carrier’s solid steel, 1-piece construction incorporates an integral piston strike face to guarantee integrity over time, while the bolt assembly is spring loaded for proper lock-up and to help reduce bolt bounce and cam pin wear. All piston components are finished in QPQ Melonite for corrosion resistance and easy cleaning/maintenance.

    Features

    • Magpul MOE handguard
    • 16″ QPQ melonite barrel
    • A2 flash hider
      Adams Arms AR-15 P1 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16'' Barrel

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