.277 Fury

.277 Fury
TypeCenterfire rifle
Place of originUnited States
Production history
Designed2019
ManufacturerSIG Sauer
Produced2019–present
Specifications
Case typeRimless, 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 length2.015 in (51.2 mm)
Overall length2.825 in (71.8 mm)
Rifling twist1 in 7 in. (177.8 mm)
Maximum pressure (SAAMI)80,000 psi (550 MPa)
Ballistic performance
Bullet mass/type Velocity Energy
113 gr (7 g) Hybrid Ball 3,200 ft/s (980 m/s) 2,569 ft⋅lbf (3,483 J)
135 gr (9 g) Brass Elite Ball 2,750 ft/s (840 m/s) 2,267 ft⋅lbf (3,074 J)
135 gr (9 g) Hybrid Match 3,000 ft/s (910 m/s) 2,694 ft⋅lbf (3,653 J)
140 gr (9 g) Hybrid Hunting 2,950 ft/s (900 m/s) 2,706 ft⋅lbf (3,669 J)
155 gr (10 g) Hybrid Match 3,000 ft/s (910 m/s) 3,097 ft⋅lbf (4,199 J)
Test barrel length: 16 inch (406 mm)
Source(s):

The .277 Fury or 6.8×51mm Common Cartridge (designated as the .277 SIG Fury by 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).

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