The J P Enterprises AR-15 2-piece Detent Gas Block is expertly crafted for AR-15 enthusiasts seeking reliable performance and durability. Designed with a low-profile style this gas block is constructed from high-quality 416 stainless steel ensuring long-lasting resilience against wear and tear. With an inside diameter of .750 inches it offers a precise fit for your AR-15 barrel enhancing the firearm's functionality and accuracy. This black-finished gas block combines robust construction with sleek aesthetics making it an essential upgrade for any AR-15 build or customization project.