[1] Prior to Model 28, Star mostly focused on modifications of other platforms, namely of Colt M1911.

[1] In 1977 the United States Air Force solicited manufacturers for a 9mm Handgun to replace their Smith & Wesson Model 15 .38 Special revolvers.

However the Beretta 92F was eventually selected and adopted in 1985 as a result of the Joint Service Small Arms Program.

[2] Star Model 28 is one of the early double-column double action pistols and can be thus identified as a wondernine type of pistol Star 28/30/31 are all recoil operated, locked breech pistols, that use Browning-designed, linkless locking (like Browning Hi-Power), with two lugs on the barrel and a shaped cam under the chamber that interacts with slide stop axis inside the frame.

[citation needed] Like the aforementioned handgun designs, the slide runs within the frame, not on to as with conventional pistols such as M1911 or Beretta 92.