Cartridge comparison
.219 Donaldson Wasp vs 5.56x45mm NATO
.219 Donaldson Wasp and 5.56x45mm NATO are both in the reference; see the full spec comparison below.
Side by side
| .219 Donaldson Wasp | 5.56x45mm NATO | |
|---|---|---|
| Type | Wildcat | Rifle |
| Introduced | 1940 | 1980 |
| Bullet diameter | 0.224″ | 0.2244″ |
| Case length | 1.75″ | 1.7598″ |
| Max pressure | 25,000 psi | 62,000 psi |
| Recoil | 5–8 ft·lb | 3.8–5.5 ft·lb |
| Effective range | 300 yd | 600 yd |
| SAAMI | Wildcat | Military standard |
| CIP | Not standardized | Not 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.
Case profiles, to scale
Drawn to the same scale, so the proportions are true. Physical size varies with your screen.
