HK 745031A5 HK45C DA/SA 8+1 3.9" Black Synthetic Grip Black Polymer Frame

The Heckler and Koch 81000018 features a caliber of 9 mm x 1. With dimensions such as a length of 7.34 inches, a height of 5.41 inches, and width just at 1.32 inches, it offers an optimal size. The barrel length measures 4.09 inches, and pairs with a sight radius of 6.38 inches. When equipped with an empty magazine, the weight comes up to 25.56 ounces. It holds a magazine capacity of 17 rounds.

Regarding the trigger system specifics, the trigger pull weighs 5.4 lbs, trigger travel stands at .24 inches, and it offers a return travel of .12 inches. The barrel profile has polygonal 6 grooves and follows a right-hand twist at 1 in every 9.8 inches, enhancing controlled operation and accuracy.