Designed with the Service Rifle competitor in mind, this AR-STONER™ AR-15 223 Remington (Wylde) barrel features a match chamber and 1 in 8" twist for shooting match type bullets to extended ranges with supreme accuracy. The 223 Wylde chamber was designed by noted AR-15 competitor Bill Wylde for use with competition 223 Remington loads. This chamber works with cartridges having an overall length of 2.445, as opposed to the SAAMI specifications of 2.260" for 223 Remington and 2.550" for 5.56x45mm NATO. This barrel is manufactured from 416 stainless steel and features a threaded muzzle.
This 20" HBAR Contour Barrel is manufactured from 416R Stainless Steel and uses 5R Rifling with a 1 in 8" Twist. Additional features include a Rifle Length Gas Port, M4 Feed Ramps and 1/2"-28 threaded muzzle. Barrel extension and locator pin are both included and installed at the factory.
- Muzzle Thread Engagement Length: 0.620" with a tolerance of .005"