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Rock River Arms 18 Inch Stainless Steel Varmint Barrel with Gas Block


Rock River Arms 18 Inch air-gauged, cryo-treated, stainless steel, varmint barrel chambered in .223 Wylde with a 1:8 twist, mid-length gas system, and a non-threaded, target crown muzzle.  The Barrel Diameter is .920 in front of the gas block and 1.050 behind.  Also included is RRA's Single rail gas block with gas tube roll pin.

The .223 Wylde chamber was designed as a match chambering for semi-automatic rifles. It will accomodate both .223 Rem and 5.56mm NATO ammunition. It is relieved in the case body to aid in extraction and features a shorter throat for improved accuracy.