.277 FURY

The .277 FURY, also known as the .277 SIG FURY,[lower-alpha 1] is a centerfire rifle cartridge announced by SIG Sauer in late 2019.[1] It utilizes a hybrid case of brass and steel to support a chamber pressure of 80,000 psi (551.6 MPa).[1] The high chamber pressure enables a projectile speed of 3,000 feet per second (914 m/s) from a 16-inch (406 mm) barrel.[2]

.277 FURY
TypeCenterfire rifle
Place of originUnited States
Production history
Designedc. 2019
ManufacturerSIG Sauer
Produced2019 (announced) to present
Specifications
Case typeRimless, bottleneck
Bullet diameter.277 in (7.0 mm)
Case length2.015 in (51.2 mm)
Maximum pressure80,000 psi (550 MPa)

Background

The cartridge was designed by SIG Sauer for the United States Army’s next generation squad weapons program,[3] officially known as the Next Generation Squad Weapon-Rifle (NGSW-R).[1] The cartridge was announced for non-military usage along with the SIG Sauer CROSS—a bolt-action, magazine-fed rifle—in December 2019.[4]

Specifications

The cartridge uses a case that is the same length and diameter as the .308 Winchester.[2] Each cartridge consists of a steel base coupled to a brass body via a locking washer.[5][6] Bullets are either 135 grains (8.7 g) "match grade" or 140 grains (9.1 g) "hunter tipped".[6]

Performance

SIG Sauer claims that the cartridge has performance superior to the 6.5mm Creedmoor, exhibiting 6 to 9 feet (1.8 to 2.7 m) less bullet drop at 1,000 yards (914 m), while delivering 20–25% greater energy.[6]

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See also

Notes
  1. The cartridge name may also appear without the leading decimal point and with inconsistent capitalization.

References
  1. Langston, Jay (December 20, 2019). "277 SIG Fury: SIG Sauer Unveils New Caliber With Hybrid Case Design". tactical-life.com. Retrieved March 17, 2020.
  2. Spomer, Ron (February 26, 2020). "The New 27 Nosler and .277 Sig Fury Are Creating a .277 Cartridge Comeback". outdoorlife.com. Retrieved March 17, 2020.
  3. "SIG CROSS Rifle". xtremegunsandammo.com. Retrieved March 8, 2020.
  4. Eger, Chris (December 19, 2019). "New SIG Sauer CROSS Rifle, Company's 1st U.S. Made Bolt-Action Hunting Rifle". guns.com. Retrieved March 8, 2020.
  5. Sim, Levi (December 22, 2019). ".277 SIG Fury Demystified". gunsamerica.com. Retrieved March 17, 2020.
  6. SIG Sauer Product Catalog. SIG Sauer. 2020. pp. 70–71. Retrieved March 17, 2020.
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