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18" Fluted Barrel (1/8) & Upper Assembly RH

18" Fluted Barrel (1/8) & Upper Assembly RH


  • $ 31500
  • Save $ 4

Product Details

This bundle features a Stag Arms A3 upper receiver assembly, which is made to mil-spec standards and includes a picatinny rail on the top, dust cover, and installed forward assist.

It's then partnered with a 18" 5.56 fluted 1/8 twist barrel that has a heavy barrel profile with fluting running down the length of it. It is the same barrel used on our Model 3G rifle.

Product Specs

A3 Upper Assembly

Pivot/Takedown Pin Size: Small pin - .250"

Material: Forged and mil-spec with type 3 hard coat anodizing

18" 5.56 M4 Barrel

Chamber: 5.56 NATO (The barrel assembly will also shoot .223 ammunition)

Length: 18"

Weight: 2.4 lbs

Diameter at the gas port: .750"

Barrel Threading: 1/2 x 28

Barrel Profile: Heavy barrel

Barrel Material: 410 Stainless Steel

Twist Rate: 1/8

Bore & Barrel Lining: None

Barrel Coating: None

Gas System: Rifle length direct impingement

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