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About .277 Sig Fury Ammunition

The .277 Sig Fury (6.8x51mm) is a high-pressure military cartridge designed to deliver enhanced performance and lethality. Developed by Sig Sauer in 2019, the .277 Sig Fury was created as part of the U.S. Army's Next Generation Squad Weapon program, featuring a hybrid brass and steel case construction that enables operation at significantly higher pressures than conventional cartridges. The .277 Sig Fury is highly regarded for military and tactical applications due to its superior ballistic performance, enhanced penetration capabilities, and effective performance against modern body armor at extended ranges.

Types of .277 Sig Fury Loadings

Full Metal Jacket (FMJ):Like the name suggests, these types of loadings feature projectiles which are adorned with metal jacketing. This jacket is generally made of copper and will cover the tip and sides of the projectile. Typically, the base of the projectile is left uncoated.These types of loadings are well-suited for range use and are some of the most common types of ammo one will encounter.

Firearms that Use .227 Sig Fury Ammo

The .227 Sig Fury is most commonly associated with the Sig Sauer MCX Spear platform. In addition to the MCX Spear, a number of bolt action rifles have also been produced in this chambering. These rifles are often designed with long-range precision in mind, making them ideal for hunting and target shooting.