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.
Caliber: 5.56 NATO | .223
Length: 18″
Weight: 2.4 lbs
Diameter at the gas port: .750″
Barrel Threading: 1/2 x 28
Barrel Profile: Heavy barrel
Barrel Material: 416R Stainless Steel
Twist Rate: 1/8
Bore & Barrel Lining: None
Barrel Coating: None
Gas System: Rifle Length Direct Impingement
SKU: STAG400018