#html-body [data-pb-style=R566WQN]{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:0;margin:0 0 10px;padding:10px}#html-body [data-pb-style=W2PKIRG]{border-style:none;border-width:1px;border-radius:0;margin:0;padding:0}These limited-edition lowers are made using the most advanced aerospace manufacturing technology to produce the industries finest, forged Mil-Spec lowers. Our receivers are machined on a multimillion-dollar, automated, manufacturing system that enables us to produce a product of unequaled quality and value. These forged lowers are quality made using material is 7075-T6 and are marked "CAL. 5.56MM." to accommodate most builds. The finish is black hard coat anodizing per Mil-8625 Type 3 class 2.