GRAND POWER STRIBOG SP10A3 10MM PST TAILHOOK UMP Style Delayed Roller Pistol + PDW Brace Ambidextrous Safety Ambidextrous Magazine Release: Can be released using button or paddle release 2 Piece USGI Milspec AR15 Trigger Extended Receiver (3) 20 Round UMP Style 10MM Magazines Threaded Muzzle Built In Front And Rear Sights Hard Plastic Case Grand Power PDW-Collapsible Brace With Tailhook Features: 2 - Position Build In QD Sling Mount Mod 1 Tailhook Included Aluminum Adapter Included Steel Rails Fits SP9, SP10 and SP45 Series Stribog Pistols