Star Model 28

Star Model 28 - also written as Star M28 - is a 9x19mm Semi-Automatic Pistol produced by Star Bonifacio Echeverria. The Star Model 30, Star Model 31 and their variants are considered part of the same design family as Star Model 28.
Prior to Model 28, Star mostly focused of modifications of other platforms, namely of Colt M1911. Star Model 28 marks the first original design from Star Firearms.
Design.
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.
Star Model 28 family design was inspired by the CZ-75 and SIG P210. Like the aforementioned handgun designs, the slide runs within the frame, not on to as with conventional pistols such as M1911 or Beretta 92.
Variants.
Following models belong in the Model 28, 30 & 31 family: