Web Team Precision-machined stainless steel barrels feature a .223 Wylde chamber that helps maximize the long-range performance of your AR-15 with both .223 Remington and 5.56x45mm NATO ammunition. With 6-groove, 1-7″ button rifling for accuracy and M4-type feed ramps for reliable feeding, these barrels help you reach out to distant targets with issued or magazine-length ammunition. The 18″ barrels offer the Special Purpose Rifle (SPR) profile designed to optimize accuracy out to 600 meters, and are available with Mid-Length or Rifle-Length gas systems. SDM barrel features a heavy, fluted profile under the handguards, for added strength and rigidity.
