6.8x51mm (.277 SIG Fury)
2019 · SIG Sauer · 5 firearms in catalog
Also known as: .277 Fury, .277 SIG Fury, 6.8x51mm Common Cartridge, 6.8 CT
Cartridge specifications
| Bullet Diameter | 7.04 mm (0.277") |
| Neck Diameter | 7.83 mm (0.308") |
| Base Diameter | 12.01 mm (0.473") |
| Case Length | 51.18 mm (2.015") |
| Overall Length | 71.75 mm (2.825") |
| Max Pressure | 552 MPa (80,000 psi) |
| Typical Bullet Weight | 7.32 g (113 gr) |
| Typical Muzzle Velocity | 914 m/s (2999 fps) |
| Typical Muzzle Energy | 3059 J (2256 ft·lbf) |
| Primer Type | Large Rifle |
| Cartridge Type | Rimless |
| Introduced | 2019 |
Firearms chambered in 6.8x51mm (.277 SIG Fury)
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- XM7 (M7) — SIG Sauer Inc. · Assault Rifle · 2022