FN America 502, MRD, Single Action Only, Semi-automatic, Polymer Frame Pistol, Compact Size, 22 LR, 4" Barrel, Black, Optic Height Sights, Ambidextrous Thumb Safety, No Decocker, Optics Ready Slide, 10 Rounds, 2 Magazines 66-101013 • Double Action • Capacity: 10+1 • Finish: Matte Black • Sights: Fixed • Barrel length: 4 • Overall length: 7 • Slide Cut For Optic/ Ambi ControlsFN Optics Mounting System Ambidextrous Controls Front/Rear Cocking Serrations • Single Action • Capacity: 10 + 1 • Finish: Black • Sights: Suppressor Height Sights • Barrel length: 4" • Overall length: 7" • 15in Free-Float MLOK Rail/ Ambi Bolt Release