The Henry U.S. Survival AR-7 comes standard with a sturdy steel barrel covered in tough ABS plastic and then coated with Teflon for complete protection against corrosion. Plus, it's engineered for perfect balance and the ability to maintain its tack-driving accuracy, even after thousands of rounds. Like the barrel, the receiver is also coated with a layer of waterproof Teflon for superior weatherproofing, waterproof protection, even in harsh salt water environments. Plus, the updated receiver is grooved making it easy to top it off with your favorite optics.