The Spec Series, when quality matters. We start with hand matched forged receiver sets that fit tight together. The lightweight and durable MLoK hand guard gives the weapon a great feel while keeping the high durability. These come with some of the best barrels on the market giving them guaranteed sub MOA groups. Coming with a true lifetime warranty, an American made soft case, magazine, KNS anti walk pins, Magpul furniture the Spec Series is an unbelievable value while keeping our incredibly high standards.