Cartridge comparison
.30 Carbine vs .300 Rook
.30 Carbine and .300 Rook are both in the reference; see the full spec comparison below.
Side by side
| .30 Carbine | .300 Rook | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1941 | 1874 |
| Bullet diameter | 0.3079″ | 0.3″ |
| Case length | 1.2902″ | 1.17″ |
| Max pressure | 40,000 psi | 18,000 psi |
| Recoil | 4–6 ft·lb | 0.8 ft·lb |
| Effective range | 300 yd | 150 yd |
| SAAMI | SAAMI standardized | Not SAAMI standardized |
| CIP | CIP 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.