Stumpp Schuele & Somappa Springs (SSS Springs) is the largest producer of high quality springs for the automotive & defence market. The firm has a 70 year illustrious track record of manufacturing in India for Indian and international clients. Industriousness, inventiveness, attention to the needs of its customers and its craftsmen, as well as ongoing research and state-of-the-art manufacturing methods are the foundation on which the company has built its image. SSS Defence develops and supplies a portfolio of land systems and products for defense, homeland security and commercial applications. Our systems and products are installed on new platforms, and we also perform comprehensive platform modernization programs. In addition, we provide a range of support services. Our major focus areas include: -Future infantry small arms & light weapons -Small & Medium caliber ammunition -Weapon accessories including tactical riflescopes, thermal & night vision weapon sights Site : https://www.sssdefence.com/ This is a full upgrade kit manufactured by a company out of Bangalore for the SF.