YHM is proud to offer our first Billet Lower Receiver. 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 helped us arrive at the MODEL-57 and in turn this lower receiver. – These lowers were designed and are machined 100% in house from 7075-T6 aluminum (Billet) – Features over sized magazine well chamfers for easier magazine changes – Accepts All Generations of PMAG’s – Accepts Mil-Spec Upper receivers – Built in oversized machined trigger guard – Fits all standard parts (except for a trigger guard) – Hardcoat Anodized matte black to Military Specifications or better – This lower still fits and functions with your standard upper receivers
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