![Primary Arms, LLC on Twitter: "On this Throwback Thursday we take a look at this vintage ad from Colt. Who else wants to buy a GYROJET 13mm Rocket carbine? Who remembers being Primary Arms, LLC on Twitter: "On this Throwback Thursday we take a look at this vintage ad from Colt. Who else wants to buy a GYROJET 13mm Rocket carbine? Who remembers being](https://pbs.twimg.com/media/FYOKcRLWAAQHobD.jpg)
Primary Arms, LLC on Twitter: "On this Throwback Thursday we take a look at this vintage ad from Colt. Who else wants to buy a GYROJET 13mm Rocket carbine? Who remembers being
![13 mm Gyrojet, Three Nozzles/Ports? - General Ammunition Discussion - International Ammunition Association Web Forum 13 mm Gyrojet, Three Nozzles/Ports? - General Ammunition Discussion - International Ammunition Association Web Forum](https://global.discourse-cdn.com/business6/uploads/cartridgecollectors/optimized/3X/3/8/38b281d2ebf9bbaa90d4f7198f73e65bed26aea1_2_689x415.jpeg)
13 mm Gyrojet, Three Nozzles/Ports? - General Ammunition Discussion - International Ammunition Association Web Forum
![RARE MBAssociates Gyrojet 13mm Mark I Model B Rocket Handgun & Display Case, C&R | Lock, Stock & Barrel RARE MBAssociates Gyrojet 13mm Mark I Model B Rocket Handgun & Display Case, C&R | Lock, Stock & Barrel](https://lsbauctions.com/wp-content/uploads/RARE-MBAssociates-Gyrojet-13mm-Mark-I-Model-B-Rocket-Handgun-Display-Case-CR.jpg)
RARE MBAssociates Gyrojet 13mm Mark I Model B Rocket Handgun & Display Case, C&R | Lock, Stock & Barrel
![MB Associates B Mark1 13mm GYROJET ROCKET Propelled Ammunition Pistol. Good Condition. 5" Barrel. Sh | Guns & Military Artifacts Handguns & Pistols | Online Auctions | Proxibid MB Associates B Mark1 13mm GYROJET ROCKET Propelled Ammunition Pistol. Good Condition. 5" Barrel. Sh | Guns & Military Artifacts Handguns & Pistols | Online Auctions | Proxibid](https://images.proxibid.com/AuctionImages/11027/206904/FullSize/61020.jpg)
MB Associates B Mark1 13mm GYROJET ROCKET Propelled Ammunition Pistol. Good Condition. 5" Barrel. Sh | Guns & Military Artifacts Handguns & Pistols | Online Auctions | Proxibid
![MB Associates B Mark1 13mm GYROJET ROCKET Propelled Ammunition Pistol. Good Condition. 5" Barrel. Sh | Guns & Military Artifacts Handguns & Pistols | Online Auctions | Proxibid MB Associates B Mark1 13mm GYROJET ROCKET Propelled Ammunition Pistol. Good Condition. 5" Barrel. Sh | Guns & Military Artifacts Handguns & Pistols | Online Auctions | Proxibid](https://images.proxibid.com/AuctionImages/11027/206904/FullSize/61020_1.jpg)