The Angstadt Arms UDP-9 9mm 6" SBR is engineered for performance and reliability, making it an ideal choice for tactical applications and competitive shooting. This short barrel rifle variant is designed for enthusiasts who appreciate superior craftsmanship in a compact package. Built with a 7075-T6 billet aluminum lower and upper receiver, the UDP-9 ensures durability while weighing in at under 5lbs. Its 6" chrome moly barrel features a 1/10 twist and is threaded 1/2x28 TPI, allowing for the attachment of a variety of muzzle devices. Designed with exceptional compatibility, this rifle accepts most Glock aftermarket magazines, and includes one 17 round Glock magazine. Note that this is a short barrel rifle variant and requires a tax stamp for ownership.