Angstadt Arms

The UDP-9 Rifle is a lightweight 9mm AR-15 rifle. It accepts 9mm double stack GLOCK magazines and features last round bolt hold open.

• Last round bolt hold open on an empty magazine
• Flared magwell for faster reloads
• Integrated oversized trigger guard
• 7075-T6 billet aluminum lower with your choice of a matte black hard-coat anodized finish Magpul Flat Dark Earth Cerakote or Tactical Grey Cerakote
• 7075-T6 billet aluminum slick side upper receiver with appropriately sized ejection port and no forward assist or dust cover
• Threaded bolt catch screw
• 9mm bolt assembly for use with a standard AR-15 hammer
• Fire control group: Milspec AR-15/M4 Fire control group. The UDP-9 is compatible with most aftermarket 9mm PCC triggers. 
• 16” 9mm barrel in chrome moly with a 1/10 twist black melonite finish and A2 style flash suppressor
• Barrel is threaded 1/2×28 and can accept a suppressor
• B5 Systems Bravo rifle stock and B5 Systems pistol grip
• 15” ultralight handguard with M-LOK mounting interface on the 3 6 9 & 12 O’clock positions
• Weight: 6 lbs
• Length: 32″
• Patent pending
• Accepts all Glock aftermarket magazines. We recommend using factory Glock® magazines.