Smith & Wesson CSX, Single Action, Semi-automatic, Metal Frame Pistol, Micro Compact, 9MM, 3.1" Barrel, Aluminum Alloy, Armornite Finish, Black, 3 Dot Sights, Integrated Trigger Safety and Ambidextrous Thumb Safety, 12 Rounds, 2 Magazines, (1) 12-Round & (1) 10-Round, Interchangeable Backstraps and Swappable Magazine Release Button 12615 • Single Action • Capacity: 10+1 & 12+1 • Finish: Matte Black Stainless Steel Slide • Sights: Ft: White Dot Dovetail Rr: White Dot • Barrel length: 3.1 • Overall length: 6.1 • Aluminum Alloy Frame/ Flat Face Trigger/ EZ SlideFlat Faced Trigger w/ Safety Ambi, Elongated Slide Stop Interchangeable Backstraps • Single Action • Capacity: 12 + 1 • Finish: Matte Black Armornite • Sights: Metal White Dot • Barrel length: 2.75" • Overall length: 6.1" • 15in Free-Float MLOK Rail/ Ambi Bolt Release