Mainspring For COMPACT Prodigy 3.5″ & 4.25″ 19 lb
This mainspring is designed for Springfield Prodigy Compact pistols (3.5″ & 4.25″) and enhances reliability and trigger feel.
- The description claims the mainspring improves reliability and trigger feel.
- ISMI serves as a U.S. government contractor.
- ISMI’s founder developed spring technology for Indy car racing.