These models are similar to the one you are viewing.
9mm Para. cal., features lightweight polymer frame and matte stainless steel slide, 3 in. barrel, DAO with passive striker block, supplied with 6 and 7 shot mag. with grip extension, includes hard case and trigger lock, 15.9 oz. Mfg. 2002-2003.
9mm Para. cal., compact design with 3 in. barrel, black polymer frame, matte stainless steel slide, 6 shot mag., DAO, textured polymer grips, adj. white bar-dot combat sights, 14 oz. New 2011.
9mm Para., .357 SIG (disc. 2010), .40 S&W, or .45 ACP cal., DAO, choice of 4.7 (full size), 3.9 (Compact), or 3.1 (Subcompact) in. barrel, steel frame with black polymer grip shell (three different sizes), features modular synthetic frame with removable fire control assembly, 10 (.45 ACP), 17 (.357 SIG or .40 S&W) or 20 (9mm Para.) shot mag., ambidextrous slide release lever, black Nitron or two-tone (disc. 2010) finish, contrast or Siglite night sights, integrated Picatinny rail, converts into various calibers by changing slides, grip modules, and magazine, 27.6 oz. Mfg. mid-2008-2013.
.357 SIG, 9mm Para., or .40 S&W (new 1998) cal., compact personal size, DA or DAO, black Nitron or two-tone (disc. 2009) stainless steel slide and aluminum alloy frame, firing pin block safety, 3.6 in. barrel, 7 or 8 (9mm Para. only) shot mag., contrast sights (disc. 2013) or Siglite night sights (became standard 2014), approx. 29 oz. New 1996.
9mm Para. cal., large frame, striker fired action, 4 in. barrel, 10 or 16 shot, polymer/stainless steel frame, black plastic grip, white dot front and rear sights, two-tone finish, 22.7 oz.