Overview The Angstadt Arms UDP-9 is a versatile AR-9 style pistol designed for superior performance and reliability. Chambered in 9mm and featuring a compact design, this semi-automatic pistol is ideal for both personal defense and recreational shooting. Key Features Caliber: 9mm Barrel Length: 6 inches Capacity: 15+1 rounds (Glock magazine compatible) Frame Material: 7075-T6 Aluminum with Flat Dark Earth (FDE) Cerakote finish for enhanced durability Sights: No fixed sights included; optics ready Action: Semi-automatic Additional Features: Magpul MOE K2 grip for a comfortable and secure hold 5.5" M-LOK Free-Float handguard for accessory mounting and improved handling Integrated trigger guard and flared magwell for faster reloads Last round bolt hold open feature for added convenience Weight: 5 lbs The Angstadt Arms UDP-9 combines a compact AR platform with the convenience of using Glock magazines, making it a versatile choice for various shooting applications. Its robust construction and advanced features ensure reliable performance in any situation . Experience the exceptional versatility and performance of the Angstadt Arms UDP-9 Flat Dark Earth 9mm Pistol. Designed for both personal and recreational use, this AR-9 style pistol delivers superior control, accuracy, and durability.