Cartridge comparison
13.2x99mm Hotchkiss vs .50 BMG
13.2x99mm Hotchkiss and .50 BMG are both in the reference; see the full spec comparison below.
Side by side
| 13.2x99mm Hotchkiss | .50 BMG | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1925 | 1921 |
| Bullet diameter | 0.5315″ | 0.511″ |
| Case length | 3.9055″ | 3.9098″ |
| Max pressure | 18,000 psi | 53,664 psi |
| Recoil | 322.1 ft·lb | 100–200 ft·lb |
| Effective range | 300 yd | 2000 yd |
| SAAMI | Not SAAMI standardized | SAAMI (not in current Z299) |
| 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.
