This .223 Wylde chambered 18" barrel is machined from 416R Stainless Steel with a bead blasted finish and it features a FailZero Nickel Boron Coated Extended M4 Feed Ramp Extension. This barrel also features a 1/2x28 threaded barrel.
|Caliber or Gauge||223 Remington/5.56 NATO|
|Barrel Features||1/2"-28 tpi|
Determined at checkout.