Adams Arms AR-15 Tactical Evo A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Mid Length

Product #: 535327 Adams Arms #: UA-16-M-TEVO-556 UPC #: 854262002445
$719.87
Status:
Ships today from MidwayUSA

Please Sign In to use this feature.

Product Information

This Adams Arms Tactical EVO Mid Length Gas Piston Upper Assembly is chambered in 5.56x45mm NATO and comes ready to fire right out of the box upon installation onto any standard AR-15 lower receiver. The Tactical EVO upper receiver line represents an outstanding value, and is the result of blending characteristics from the Adams Arms EVO Ultra Lite configuration with their Tactical Elite series to create a new, high performance platform at a more economical price. It features a melonite finished, 16" government contour barrel with a 1 in 7" twist, making it capable of stabilizing medium- to heavy-weight projectiles of up to about 77 grains. The Mid Tactical EVO upper configuration comes equipped with a free floating, 12" Samson Evolution Modular Rail Handguard that extends to surround the Picatinny rail piston gas block on its bottom and both sides for a clean look and additional rail space if required. Together, the forged A3 flat-top upper and handguard create a long, uninterrupted top rail interface with ample room for mounting optics and/or iron sights. Additional features include a mid-length gas system for a longer sight radius and smoother recoil impulse, complete bolt carrier group, charging handle assembly, A2 flash hider, one 4" modular rail section and one QD sling swivel adapter.

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 due to 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.

Technical Information
  • Upper Receiver: A3 Flat-Top, Forged
  • Barrel Length: 16"
  • Barrel Contour: Government
  • Barrel Material: 4150 Chrome Moly Vanadium Steel
  • Muzzle Thread Pattern: 1/2"-28
  • Chrome Lined: No
  • Barrel Finish: QPQ Melonite / Black Nitride
  • Twist Rate: 1 in 7"
  • Chamber: 5.56x45mm NATO
  • M4 Feed Ramps: Yes
  • Muzzle Device: A2 Flash Hider
  • Gas System Length: Mid, Short Stroke Piston Operated
  • Gas Block Diameter: 0.750"
  • Handguard: Samson 12" Evolution Extended Modular Rail, Free Float
  • Sights: None
  • Bolt Carrier Assembly Included: Yes
  • Bolt Carrier Type: 1-Piece w/Integral Piston Strike Face
  • Extras: One 4" Rail Section, QD Sling Swivel Mount, Single Rail Piston Gas Block
  • Weight: 4.64 lbs (Without Rail Sections)


Please Note: Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.

Was this information helpful? Yes No

Thank you for your opinion. We appreciate your input!

Please Help Us Improve

Please enter the missing required fields:

    Please describe why the information was not helpful.

    Do you accept our terms and conditions? *

    *Indicates a required field

    Know someone who may like this? Email this Page to a Friend

    Customer Reviews

    The statements and opinions expressed within Customer Reviews reflect each author's personal perspective and do not imply endorsement by MidwayUSA, its Employees or any other organization. Customers should in no way infer that MidwayUSA has validated review information as safe, accurate or appropriate.

    NOTE: Prices, specifications and availability are subject to change without notice.
    We reserve the right to correct typographic, photographic and/or descriptive errors.

    Suggested Products

    Similar Products

    Others Bought

    Recently Added
    Suggested Products
    Adams Arms AR-15 Tactical Evo A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Mid Length
    Adams Arms AR-15 Tactical Evo A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Mid Length