What's in the Box S&W M&P FPC 5.78x28mm Semi-Auto Rifle (3) 22-Round Magazines Cable Lock Owner's Manual he S&W M&P FPC with the ability to fold from the side, the FPC allows you to get acompact footprint and ensures that mounted optics arent disturbed. It can be field-stripped quickly and easily for cleaning. Featuring slots in the stock allow you to store two extra M&P 5.7x28mm magazines onboard; the same grip and trigger that can be found on our M&P pistols give you a familiar experience; optics ready; threaded barrel and thread protector. Includes three 22rd magazines and mag loader. Firearm Features Picatinny Rail M-LOK Handguard 1 / 2"x28 Thread Side-Folding Design Firearm Specifications Manufacturer: Smith & Wesson Model: M&P FPC Caliber: 5.78x28mm Barrel Length: 16.25" Threaded Twist Rate: 1:15" Finish: Black Magazine Capacity: 22 Rounds