16 in 5.56 1:7 4150 Gov CMV Barrel Mid-Length (QPQ)

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The classic Stag AR-15 barrel chambered in 5.56 is setting the new standard for barrels. Coming it at 16 inches in length with a mid length gas system and sleek QPQ Black Nitride coating, this barrel will give you years of service in your next rifle build or as a replacement barrel for your existing AR 15.


Caliber: 5.56 NATO | .223

Length: 16"

Diameter at the gas port: .750"

Barrel Threading: 1/2x28

Barrel Profile: Government Profile

Barrel Material: 4150 Chrome Moly Vanadium

Twist Rate: 1/7

Bore & Barrel Lining: Black Nitride

Barrel Coating: Black Nitride

Gas System: Mid-Length Direct Impingement

SKU: STAG400130


Q: Will this work with my upper receiver?

A: The barrel will work with any mil-spec upper receiver.

Q: Do you provide instructions on how to install the barrel?

A: Unfortunately we don't provide directions on how to install a barrel and recommend that it be installed by a gunsmith to prevent damage to the rifle.

Q: Do I have to purchase a matched bolt to my barrel?

A: With AR-15's as long as you are using the proper bolt for the caliber you do not need to match a bolt to the barrel.



2 Reviews

  • 5
    Would buy more

    Posted by Astag Izgud on 7th Jul 2021

    Very nice barrel, works great, fit perfectly.

  • 5
    16 IN 5.56 1:7 4150 GOV CMV BARREL MID-LENGTH (QPQ)

    Posted by Gatorbyte on 17th Mar 2021

    I have shot 500 rounds through this barrel. No concerns after cleaning and inspecting. Would buy again.