[PAR] [TLE] Whisper (cartridge family) [SEP] The Whisper family of firearm cartridges is a group of wildcat cartridges developed in the early 1990s by J.D. Jones of SSK Industries.  The Whisper Family was developed as a line of accurate, multi-purpose cartridges using relatively heavy rifle bullets for a given caliber in subsonic loads.  The intention was to create an extremely accurate cartridge family for military, police, competition and specialized hunting markets that could also be easily sound suppressed. [PAR] [TLE] SSK Industries [SEP] SSK Industries, Inc. is an American designer and manufacture of guns and accessories.  Founded in 1977, the company is known for its custom Contender and Encore barrels.
[PAR] [TLE] Whisper ( cartridge family ) [ SEP ] The Whisper family of firearm cartridges is a group of wildcat cartridges developed in the early 1990s by J.D. Jones of SSK Industries . The Whisper Family was developed as a line of accurate , multi - purpose cartridges using relatively heavy rifle bullets for a given caliber in subsonic loads . The intention was to create an extremely accurate cartridge family for military , police , competition and specialized hunting markets that could also be easily sound suppressed . [PAR] [TLE] SSK Industries [ SEP ] SSK Industries , Inc. is an American designer and manufacture of guns and accessories . Founded in 1977 , the company is known for its custom Contender and Encore barrels .
The Whisper family of firearm cartridges was developed by J.D. Jones of a company founded in what year?
The Whisper family of firearm cartridges was developed by J.D. Jones of a company founded in what year ?
1977
1977