Cartridge comparison
.44 Long Colt vs .45 ACP
.44 Long Colt and .45 ACP are both in the reference; see the full spec comparison below.
Side by side
| .44 Long Colt | .45 ACP | |
|---|---|---|
| Type | Revolver | Pistol |
| Introduced | 1871 | 1905 |
| Bullet diameter | 0.451″ | 0.452″ |
| Case length | 1.1″ | 0.898″ |
| Max pressure | 18,000 psi | 21,000 psi |
| Recoil | 6.9–7.8 ft·lb | 7.8–9 ft·lb |
| Effective range | 50 yd | 50 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.
Case profiles, to scale
Drawn to the same scale, so the proportions are true. Physical size varies with your screen.