YHM is proud to offer our YHM-15 lower receivers. These lowers are machined 100% in house from forged 7075-T6 aluminum. They feature over sized magazine well chambers for easier magazine changes. Features: These lowers were designed, and are machined 100% in house Made from 7075 T6 aircraft grade aluminum (forged) Over sized magazine well chambers for easier magazine changes Accepts all generations of PMAG's Accepts Mil-Spec upper receivers Fits all standard parts Hardcoat anodized matte black to military specifications or better #html-body [data-pb-style="62DF82884F6D2"]{justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; margin: 0px 0px 10px; padding: 10px;}#html-body [data-pb-style="62DF82884F6DF"]{border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;}