Yankee Hill Machine AR-15 Rifle - 5.56 NATO / .223 Remington - New Old Stock Up for sale is a Yankee Hill Machine (YHM) AR-15-style semi-automatic rifle chambered in 5.56 NATO / .223 Remington. This rifle is New Old Stock (NOS) - an older inventory firearm being offered in new, unused condition. Manufactured by Yankee Hill Machine, this American-made rifle features flip-up sights and a Picatinny rail for mounting optics and accessories. Built on the versatile AR-15 platform, it offers a modular design and compatibility with a wide range of aftermarket components. Features: Manufacturer: Yankee Hill Machine (YHM) Caliber: 5.56 NATO / .223 Remington (verify barrel markings) Action: Semi-automatic Platform: AR-15 Sights: Flip-up sights Rail: Picatinny accessory rail Condition: New Old Stock (NOS) Made in the USA An excellent opportunity to own a new, older-production Yankee Hill Machine rifle.