The Steyr Arms AUG 14.5" 1/2x28 Green Barrel US1255010670 is a premium replacement barrel designed for the Steyr AUG rifle. Measuring 14.5 inches, this barrel is the shortest available from Steyr USA, featuring a 1:9 twist rate for superior accuracy with various bullet weights. Cold hammer-forged in Steyr, Austria, and machined in the USA, this barrel offers exceptional durability and performance. The 1/2x28 threading allows for the attachment of muzzle devices, enhancing the rifle's versatility. The green finish provides a distinctive and tactical appearance, making this barrel an excellent choice for upgrading your Steyr AUG.