Upgrade your firearm with the Nighthawk Custom Drop-In Barrel designed for .45 ACP. This 4.25-inch threaded barrel features a precision .578x28 thread pattern, perfect for attaching suppressors or muzzle devices. Crafted from fully machined stainless steel, it ensures durability and reliability in any shooting scenario. The package includes a bushing, link, and pin for easy installation, making it a seamless addition to your setup. Elevate your shooting experience with this high-performance barrel that combines quality craftsmanship with exceptional functionality.