Blue titanium refers to a striking, durable finish applied to firearm parts and accessories, achieved through anodizing or coating processes that produce a vibrant blue metallic appearance. This finish’s commonly found on AR-15/AR-10 receivers, hand guards, barrels, muzzle devices, and small components. Blue titanium parts work with standard AR-15, AR-10, and other firearm platforms, offering enhanced corrosion resistance, longevity, and a unique custom look for any build or upgrade.