Primary Weapons Systems Mod 1-M/MK1 Pro Stripped Lower Receiver, Black - M100SM11-1F

Building a quality AR begins with a solid foundation and the PWS MK1 MOD 1 stripped lower is designed to be just that. Precision-crafted by Primary Weapons Systems, this lower receiver is marked from the factory as multi-caliber, ensuring versatility for your AR build. Made in the USA from T6 7075 aluminum, it undergoes a hard coat black anodizing process for durability and longevity. PWS spares no effort in delivering top-of-the-line products, making the MK1 MOD 1 an ideal choice to start creating the AR of your dreams.