The Angstadt Arms UDP-9 in 9mm Luger (MPN AAUDP09R0R) is a semi-automatic pistol-caliber carbine built on billet aluminum upper and lower receivers, pairing a 16-inch barrel with a 1:10 twist rate. Angstadt Arms threads the barrel at 1/2×28 and accepts Glock-pattern magazines, feeding from a detachable 15-round magazine with a last-round bolt hold-open. The rifle wears a 12-inch M-Lok handguard for accessory mounting and ships without sights installed, and is made in the USA. Among AR-platform rifles in the AR rifles category, the UDP-9 favors shooters who want a Glock-magazine-compatible 9mm carbine for the range or home defense.

Key Specifications

• Chambered in 9mm Luger with a 1:10-inch twist rate.
• Features a 16-inch barrel threaded at 1/2×28.
• Built on billet aluminum upper and lower receivers.
• Accepts Glock-pattern magazines.
• Feeds from a detachable 15-round magazine.
• Includes a last-round bolt hold-open.
• Fitted with a 12-inch M-Lok handguard.
• Ships with no sights installed.
• Weighs approximately 6 pounds.

Frequently Asked Questions

What magazines does this carbine accept? Glock-pattern magazines.

Does the bolt hold open on an empty magazine? Yes, it includes a last-round bolt hold-open.

Buy the Angstadt Arms UDP-9

A Glock-magazine-compatible 9mm carbine for the range or home defense is exactly what the UDP-9 delivers. As soon as it is ready to ship, order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.