Cartridge comparison
6.5 GAP 4S vs 6.5mm Weatherby RPM
6.5 GAP 4S and 6.5mm Weatherby RPM are both in the reference; see the full spec comparison below.
Side by side
| 6.5 GAP 4S | 6.5mm Weatherby RPM | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 2019 | 2019 |
| Bullet diameter | 0.2642″ | 0.264″ |
| Case length | 2.015″ | 2.5701″ |
| Max pressure | 63,817 psi | 65,000 psi |
| Recoil | 14.1–16 ft·lb | 22.8–25.6 ft·lb |
| Effective range | 400 yd | 600 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.