MBAssociates Gyrojet pistol, carbine and rifle - Fired 12mm or 13mm rocket projectiles. Turned out to be a commercial failure. Unfired rounds (if they can be found), can cost as much as
Are there any handguns that fire small rockets instead of bullets? - Quora
Gyrojet - Modern Firearms
1968 Print Ad of 13mm Gyrojet Mark 1 Handgun Pistol | eBay
Collectible Firearms for Serious Gun Collectors | Rock Island Auction
Gyrojet - Wikipedia
Rocket Ammo - Firing a Gyrojet Pistol and Carbine - AllOutdoor.com
Rocket Bullets: The Flame And Fizzle Of The Gyrojet | Hackaday
Pistol for Firing a Miniature Ballistic Rocket - Gyrojet
Future War Stories: FWS Armory: ROCKET GUNS by Yoel
Gyrojet Rocket Pistol - YouTube
The Four Worst Military Pistols of the 20th Century | Defense Media Network
Gyrojet Rocket Pistol & Carbine from the 1960s in Action -The Firearm Blog
The Gyrojet: In This Case, It Is Rocket Science | RECOIL
Collectible Firearms for Serious Gun Collectors | Rock Island Auction