These 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 which 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 MULTI" to accommodate most builds. Finish is Black Hardcoat Anodize per MIL-8625 Type 3 class 2.
PTAC lowers are duty grade lowers. As such, they may have small cosmetic imperfections that do not affect functionality.