Cartridge comparison
13mm Gyrojet vs .50 AE
13mm Gyrojet and .50 AE are both in the reference; see the full spec comparison below.
Side by side
| 13mm Gyrojet | .50 AE | |
|---|---|---|
| Type | Pistol | Pistol |
| Introduced | 1965 | 1988 |
| Bullet diameter | 0.5094″ | 0.5004″ |
| Case length | 1.3898″ | 1.285″ |
| Max pressure | — | 35,000 psi |
| Recoil | 22.4–30.5 ft·lb | 15–22 ft·lb |
| Effective range | 50 yd | 75 yd |
| SAAMI | Not SAAMI standardized | SAAMI standardized |
| CIP | Not standardized | CIP standardized |
| Obsolete | Obsolete | — |
Highlighted cells hold the clear edge where both sides have a number. Every figure is a range maximum from the reference; typical loads run lower.
