The .277 Fury or 6.8×51mm Common Cartridge[5][6] (designated as the .277 SIG Fury by SAAMI) [7] is a centerfire, rimless, bottlenecked rifle cartridge announced by SIG Sauer in late …

Sep 8, 2025 · Developed by SIG Sauer, the .277 Fury cartridge stands as one of the most innovative ammunition breakthroughs in recent history. With its hybrid case design, extreme …

Feb 17, 2022 · The .277 SIG Fury has a case-head diameter of .470-inch, and a maximum overall length of 2.83 inches. This means it will load and feed from any 7.62x51mm NATO (.308 …

The US Military has officially adopted the M7 rifle in .277 FURY (6.8x51). In today's video we test accuracy, lethality, controllability and other factors as we fully evaluate this new round.

Apr 26, 2023 · A closer look at the development, adoption and ballistics of .277 Fury, the U.S. Army’s newest cartridge. The .277 Fury is a beast of a cartridge designed to shoot flatter and …

Sep 15, 2025 · To say the .227 Sig Fury is a unique round is a massive understatement. To start with, the proprietary case consists of three parts. The brass case is fitted with a stainless-steel …

May 17, 2022 · Compare the ballistics of the .277 Sig Fury, 5.56 NATO, and .308 Winchester to find out which one delivers the best performance for your next range day!

Explore the full ballistic chart for Sig Sauer’s .277 Fury (6.8x51mm) round—designed to outperform 5.56 NATO. Compare velocity, energy, and bullet drop with 6.5 Creedmoor and more.

Utilizing the cartridge technology created for the U.S. Army comes the new SIG SAUER CROSS in 277 SIG FURY. Featuring a Cold Hammer Forged Steel 20” barrel, the CROSS 277 SIG …

Feb 26, 2020 · Lots of things still to be determined, but at least the .277-inch bullet size is getting some new life. With these two cartridges coming on line, our .270 selection has just grown …