Description PSA PA-15 Lower Safe/Fire The PSA PA-15 Lower Safe/Fire 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. Fire selector is marked “Safe” and “Fire”. This is a “high shelf” lower.
