The Q2 2023 Limited Edition MultiCam Black(TM) Collection by Angstadt Arms. Now through June get our most popular Cerakote pattern on every gun we make! Select from a 9MM MDP-9 & UDP-9 or a 5.56 SLK-15. Available in pistol, SBR or rifle configurations MDP-9 Pistol and SBR ACTION: Roller-delayed blowback CALIBER: 9mm NATO COLORS: Officially licensed MultiCam Black(TM) Cerakote by Blowndeadline MAGAZINE: Includes two (2) 27 round Magpul PMAG GL9 magazines. Accepts GLOCK(R) 9mm double stack magazines. Please see this page for magazine compatibility. ENDRAIL INTERFACE: 1913 endrail with QD sling socket. Firearm will accept most all 1913 side-folding & telescoping pistol brace and stock options. RIFLE STOCK (SBR Only): Left side folding Lage MFG rifle stock with sling mount 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) FURNITURE: B5 Systems Type 23 pistol grip and handstop LOWER RECEIVER: 7075-T6 billet aluminum lower receiver with flared magwell, extended magazine release and threaded bolt catch screw LRBHO: Last round bolt hold open on an empty magazine FIRE CONTROLS: Angstadt Arms Enhanced Mil-Spec PCC Trigger and Radian Weapons Talon ambidextrous safety selector. BARREL: 5.85? chrome moly black melonite barrel with a 1/10 twist and threaded 1/2x28 TPI MUZZLE DEVICE: Removable 3-lug muzzle device OVERALL LENGTH: 14? WEIGHT (EMPTY): 3.7 lbs unloaded with no magazine