.277 FURY


The .277 FURY, also known as the .277 SIG FURY, is a centerfire rifle cartridge announced by SIG Sauer in late 2019. It utilizes a hybrid case of brass and steel to support a chamber pressure of. The high chamber pressure enables a projectile speed of from a barrel.

Background

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

Specifications

The cartridge uses a case that is the same length and diameter as the.308 Winchester. Each cartridge consists of a steel base coupled to a brass body via a locking washer. Bullets are either "match grade" or "hunter tipped".

Performance

SIG Sauer claims that the cartridge has performance superior to the 6.5mm Creedmoor, exhibiting less bullet drop at, while delivering 20–25% greater energy.