277 SIG Fury - SIG's entry to the Hybrid Case ammunition

[Bruenor]

Since the polymer cased ammo was just posted, figured I'd toss SIG's entry to the program which is also being developed for commercial use.

https://www.tactical-life.com/gear/ammo ... se-design/" onclick="window.open(this.href);return false;

This cartridge utilizes a hybrid case technology made from brass and other materials. The combination is rated to handle 80,000 psi of chamber pressure. By comparison, “magnum” cartridges typically produce a maximum of 62,000 psi.

This added pressure will drive a 135-grain bullet from SIG’s Hybrid Match cartridge 3,000 fps from a 16-inch barrel, and produce 2,694 ft.-lbs. of energy. The 135-grain bullet has a respectable .488 G1 BC.

SIG’s 277 Fury Hybrid Hunting load features a 140-grain bullet with a .508 G1 BC, launching from a 16-inch barrel at 2,950 fps. That one produces 2,706 ft.-lbs. of muzzle energy, too.

One of the benefits of creating hybrid case technology for SIG is that the case is 20-percent lighter in weight for a loaded cartridge than a standard brass-cased cartridge. The 277 SIG Fury maintains “decreased failure rates in the most vulnerable element of the case” through its “commercialization of ‘Military Technology,'” according to company experts. The end result becomes “increased range and lethality … flatter shooting … and better performance in shorter than average barrel lengths (which) reduce the overall length and weight of the firearm.”

These cartridges will be available in 2020. Additionally, SIG and other companies should offer rifles to handle these hot new rounds.

SIG CROSS Rifle in .277 Fury

[Mr. Glock]

Sounds like what the 6.8 SPC should have been....a short 270 Winchester (which are all .277). Compare the 130 gr 270
Win to those specs (some barrel length differences, but that’s more to cartridge design)