.277 Fury
The .277 Fury or 6.8×51mm Common Cartridge, (designated as the .277 SIG Fury by the SAAMI) is a centerfire rimless bottlenecked rifle cartridge announced by SIG Sauer in late 2019. Its hybrid three-piece cartridge case has a steel case head and brass body connected by an aluminum locking washer to support the high chamber pressure of 80,000 psi (551.6 MPa).
| .277 Fury | ||||||||||||||||
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| Type | Centerfire rifle | |||||||||||||||
| Place of origin | United States of America | |||||||||||||||
| Production history | ||||||||||||||||
| Designed | 2019 | |||||||||||||||
| Manufacturer | SIG Sauer | |||||||||||||||
| Produced | 2019–present | |||||||||||||||
| Specifications | ||||||||||||||||
| Case type | Rimless, bottleneck | |||||||||||||||
| Bullet diameter | .2780 in (7.06 mm) | |||||||||||||||
| Land diameter | .2700 in (6.86 mm) | |||||||||||||||
| Neck diameter | .3100 in (7.87 mm) | |||||||||||||||
| Shoulder diameter | .4611 in (11.71 mm) | |||||||||||||||
| Base diameter | .4703 in (11.95 mm) | |||||||||||||||
| Rim diameter | .4720 in (11.99 mm) | |||||||||||||||
| Rim thickness | .0540 in (1.37 mm) | |||||||||||||||
| Case length | 2.015 in (51.2 mm) | |||||||||||||||
| Overall length | 2.825 in (71.8 mm) | |||||||||||||||
| Rifling twist | 1 in 7 in. (177.8 mm) | |||||||||||||||
| Maximum pressure (SAAMI) | 80,000 psi (550 MPa) | |||||||||||||||
| Ballistic performance | ||||||||||||||||
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| Test barrel length: 16 inch (406 mm) Source(s): | ||||||||||||||||
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