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
gyrojet Archives -The Firearm Blog
MBA Gyrojet | Gun Wiki | Fandom
Collectible Firearms for Serious Gun Collectors | Rock Island Auction
1968 Print Ad of 13mm Gyrojet Mark 1 Handgun Pistol | eBay
Gyrojet Gun | The National Interest
MBA Gyrojet | Gun Wiki | Fandom
This "Gyrojet" rocket ammo made bullets faster but less accurate - We Are The Mighty
Gyrojet Special Purpose Pistol; Classic Firearms Photo Card from Atlas, exc cond | eBay
Far-Out Firearms: Dardick And Gyrojet Guns
Gyrojet - Modern Firearms
The Four Worst Military Pistols of the 20th Century | Defense Media Network
The Gyrojet: In This Case, It Is Rocket Science | RECOIL
Gyrojet Rocket Pistol & Carbine from the 1960s in Action -The Firearm Blog
Collectible Firearms for Serious Gun Collectors | Rock Island Auction