The Interarms Star Ultra / Ultra star is a Spanish-made compact semi-automatic pistol that was imported into the U.S. by Interarms (Virginia importer, not manufacturer). What it actually is You're most likely referring to the Star "Ultra star" (also called Ultra Star): Made by Star Bonifacio Echeverria, S.A. (Spain) Imported by Interarms (U.S. distributor, 1970s-1990s era imports) Chambered most commonly in: 9mm .40 S&W Compact, polymer-framed design (early "modern" style compact pistol) DA/SA (double-action / single-action) with an external hammer Single-stack magazine (usually 9-10 rounds depending on caliber) Design notes Similar "feel" and layout to a Browning Hi-Power / CZ-style compact hybrid Has a manual safety/decocker Known for being: Simple Durable for its time Not very common today Interarms connection Interarms didn't make guns - they imported them They brought in many Spanish Star pistols into the U.S. "Interarms marked" guns usually = import stamp, not manufacturer The Interarms Star Ultra Star (Star Ultra) is built with a fairly typical mix of steel and early polymer, depending on the part of the gun. Frame Made from polymer (high-strength reinforced polymer) This was fairly advanced for its time (1980s-1990s) Gives it a lighter weight compared to all-steel pistols Slide & Barrel Carbon steel Heat-treated steel slide with blued or matte finish Steel barrel fitted inside the slide (standard rifled barrel) Internal parts Mostly steel components Trigger group Hammer Sear Safety/decocker parts Springs are standard steel coil springs Overall build style Hybrid design: polymer frame + steel upper assembly Similar concept to early "modern compact pistols" like the Glock era, but still using a traditional hammer-fired DA/SA system Bottom line It's not a cheap zinc alloy or pot metal gun-those Star pistols are: Steel where it matters (pressure-bearing parts) Polymer for weight reduction (frame)