Introducing the HYPERTEK 3D Printed 5.1" Standard Slide Series Lightweight Barrel. This revolutionary product features advanced industrial-grade 3D printing, an adjustable rear sight for precision shooting, and a unique blowback unit specifically designed to eliminate slide lock issues. Crafted for the avid shooter, this durable barrel is perfect for those who demand peak performance. Available in sleek black and measuring 5.1 inches, it combines lightweight construction with uncompromised strength. Upgrade your arsenal with cutting-edge technology and superior functionality!