The K100, featuring an SA/DA trigger mechanism, embodies the stringent criteria set for versatile firearms, catering to the needs of practical enthusiasts and specialized military units alike. Crafted with ergonomics in mind, it aligns seamlessly with the diverse requirements of these shooters. The front section of the frame is equipped with a universal tactical Picatinny rail MIL STD 1913, adding adaptability to its design. As the evolution of the well-regarded Mk6 and Mk7 models, the K100 Mk12 introduces a notable upgrade, offering three interchangeable backstraps. This flexibility not only enhances the shooter's comfort but also positions the gun as an ideal choice for multi-user shooting practices. The refined ergonomic features of the K100 Mk12 contribute to an improved handgrip during shooting, allowing the shooter to maintain focus on the target both physically and mentally. In essence, the K100 exemplifies a harmonious blend of precision engineering, adaptability, and user-centric design, making it a preferred choice for a wide spectrum of shooting applications. Specifications Caliber: 9mm Luger Trigger mechanism: Single Action / Double Action Trigger pull weight: 4.49-5.62lbs (SA) / 7.86-8.99lbs (DA) Overall length: 7.97 inches Height without magazine: 5.25 inches Width: 1.42 inches Barrel length: 4.25 inches Weight: 1.80lbs (Unloaded) Magazine Capacity: 15 Rounds Included in the Box 3 x 15 Round Magazines 3 Interchangeable Backstraps Trigger Lock Bore Brush Spare Front Sight Owner's Manual