The SP 2022 is a 9 mm caliber luger action, semi-auto frame size, full size frame finish , polymer frame material, Nitron slide, stainless steel accesory rail, M1913 trigger DA/SA ,barrel length 3.9 inches, 4.6 overall length, 7.4 inches overall width, 5.7 inches in height and 29 ounces weight.