White Label Armory 16″ Midlength Government Profile AR 15 Barrel – 5.56 NATO

SKU: WLA-1101-0201-005

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AT3™ AR 15 Gas Tube & Carbine Gas Tube Length

AT3 Stainless Gas Tube with Roll Pins - Midlength


AT3™ Low Profile Micro Steel Gas Block - 4 Sizes Available

AT3™ Low Profile Micro Steel Gas Block - .750"


Dimpled Barrel from the Factory for a True Mechanical Fit

White Label Armory delivers on quality you can trust, with added value for the home builder with a discerning eye.  Not only does it feature a midlength gas system for a smoother recoil impulse, the salt bath nitride finish protects every surface on the barrel from corrosion, including the bore.  On top of all that, the barrel features a dimple from the factory for a set-screw gas block – meaning, your gas system will be more efficient with its perfectly-aligned gas block.  Just add a little bit of high-temp thread locker, and your gas block won’t move at all.  No basement gunsmithing, no jigs, and the heart and soul of your new AR will be ready for action.

You can use our AT3 Gas Block and Gas Tube Combo to finish off your AR15’s gas system with this barrel.  Just make sure to choose a .750 Gas Block, and Midlength gas tube.


  • Platform: AR-15
  • Caliber: 5.56 NATO
  • Barrel Length: 16″
  • Barrel Finish: Salt Bath Nitride
  • Barrel Contour: Government
  • Gas System Length: Mid-Length
  • Muzzle Threads: 1/2 X 28
  • Gas Block Journal: .750
  • Barrel Material: 4150 Chrome Moly Vanadium Steel
  • Feed Ramps: M4
  • Twist Rate: 1:7
  • Gas Port Size: .076


Caliber5.56 NATO/.223 Remington
Barrel Length16 inches
Barrel Twist Rate1:7 inches
Barrel Material4150 CMV
Muzzle Threads1/2/2028
Barrel FinishBlack Nitride
Gas Block Size.750″ Gas Block
Barrel ProfileGovernment
Barrel Gas SystemMidlength
Gas Block Journal Length1.9 inches
Barrel ExtensionM4
Weight29 ounces

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Customer Reviews

Based on 3 reviews
Peter collins

Thanks AT3tactical all parts from you

Thanks for sharing your feedback! We're glad you're satisfied with your purchase.

Justin B
Excellent Quality

Accuracy is spot on, shoots great groups and is very durable. Perfect barrel for your next build!

Thanks for sharing your feedback! We're glad you're satisfied with your purchase. Cheers!

Peter collins
Great barrel for the price

For the price it's great unfortunately I have only mounted it haven't broke it in so far all is good.

Thanks for sharing your feedback! We're glad you're satisfied with your purchase.