Cartridge comparison
7mm PRC vs 7x66mm Super Express
7mm PRC and 7x66mm Super Express are both in the reference; see the full spec comparison below.
Side by side
| 7mm PRC | 7x66mm Super Express | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 2022 | 1956 |
| Bullet diameter | 0.2843″ | 0.285″ |
| Case length | 2.2799″ | 2.5984″ |
| Max pressure | 65,000 psi | 63,817 psi |
| Recoil | 24–30.6 ft·lb | 29.1–35.3 ft·lb |
| Effective range | 1000 yd | 400 yd |
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.
