These are Stag Marked barrels Manufactured by AERO Precision.
The 18″ 5.56 NATO barrel has a heavy barrel profile with fluting running down the length of it. It is the same barrel used on our Stag 15 3Gun Elite rifle. The barrel is made of 416R Stainless Steel and has a 1/8 twist. The barrel extension is pre-installed and headspaced. Rifle Length Gas System
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