Steyr Arms AUG HBAR 24" Green Barrel w/Bipod 1255010674 is made from high-quality materials and features a 1:9 twist rate, optimized for 5.56 NATO rounds. The barrel includes a classic vertical recoil mitigation muzzle device and an adjustable-cant bipod for enhanced stability and accuracy. Ideal for pairing with the 42-round AUG waffle magazine, this barrel is perfect for both tactical and precision shooting. The green finish ensures durability and a distinctive look.