The Angstadt Arms MDP-9 GEN2 pistol is an ultra-compact subgun chambered in 9mm and fed with GLOCK pistol magazines. It has a proven roller-delayed action and AR-15 platform compatibility making it the ideal personal defense weapon for both professionals and prepared citizens alike.Specifications: ACTION: Roller-delayed blowback CALIBER: 9x19mm MAGAZINE: Accepts GLOCK 9mm double stack magazines. Includes two (2) 17 round OEM GLOCK magazines. ENDRAIL INTERFACE: 1913 endrail with QD sling socket. Firearm will accept most all 1913 side-folding & telescoping pistol brace and stock options UPPER ASSEMBLY: 7075-T6 aluminum monolithic upper receiver assembly with continuous top picatinny rail M-LOK interface and QD sling points CHARGING HANDLE: Non-reciprocating ambidextrous forward charging handle (can be swapped from left to right side) LOWER RECEIVER: 7075-T6 billet aluminum lower receiver with flared magwell extended magazine release threaded bolt catch screw FURNITURE: B5 Systems Type 23 pistol grip and Angstadt Arms handstop LRBHO: Last round bolt hold open on an empty magazine FIRE CONTROLS: Angstadt Arms EMT-9 Trigger and Radian Weapons Talon ambidextrous safety selector. The MDP-9 is compatible with most aftermarket 9mm PCC triggers. BARREL: 6a ^2 chrome moly black melonite barrel with a 1/10 twist and threaded 1/2A-28 TPI MUZZLE DEVICE: Removable 3-lug muzzle device OVERALL LENGTH: 14a ^2 WEIGHT (EMPTY): 3.7 lbs unloaded with no magazine COUNTRY OF MANUFACTURE: Made in Charlotte NC USA Covered by multiple patents