Angstadt Arms

The UDP-9 Pistol is a compact AR-15 style firearm chambered in 9mm and fed with GLOCK magazines. It features last round bolt hold open.

UDP-9 Pistol Specifications

• 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. 
• 6” 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 pistol grip
• Angstadt Arms 5.5” free float ultra light M-LOK hand guard
• Continuous top mil-spec 1913 picatinny rail
• Weight: Sub 5lbs
• Length: 22″
• Patent pending
• Accepts all Glock aftermarket magazines. We recommend using factory Glock magazines.