Product FeaturesYankee Hill Machinery is proud to offer our first Billet Upper Receiver. The stylization of the YHM-110-BILLET was directly related to the stylization of the Billet lower which we finished first. We originally designed a Billet lower that mimicked a standard (forged) lower receiver, but after seeing the prototype production we decided to go with a receiver that was more stylized, something that didn't look like every other AR-15 on the planet. It was this mindset that inadvertently led us to the MODEL-57, and in turn this upper receiver.When combining the YHM-125-BILLET(lower) and the YHM-110-BILLET(upper) you will see that they match perfectly, but after trying them on standard uppers and lowers they still maintain a unique, one of a kind look.SpecificationsM4 Style feed rampsAccepts Standard upper receiver parts (dust covers, forward assists, etc.Accepts Mil-Spec Lower receiversThese lowers were designed, and are machined 100% in house from 7075-T6 aluminum
