CSS (Connecticut Spring & Stamping) manufactures precision progressive dies, springs, and fine-blanked stampings, specializing in tight tolerance components for firearms and weapon systems. We make and stock parts for AR & AK platforms with the ability to innovate and adapt to constantly changing industry needs. The industry relies on ISO 9001-certified CSS for precision custom springs, including shaped and stranded wire. Our products include magazine assemblies, slide stops, trigger bars, ejectors, struts, recoil springs, and magazine, compression, extension, and torsion springs.