TAPCO 36in Double Coated Rifle Rod .270 Cal and Up – The TAPCO 36in Double Coated Rifle Rod provides your barrel with maximum protection. The Double Coated rods are heat-treated, centerless ground, micro-polished, and mirror-polished. This is a great tool to have so your barrel is always protected. Fits .270 CAL and up with a 36in working length.