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In 1925, Winchester introduced the .270 Winchester, previously known as the .270 WCF, based on the 30-03 Springfield case necked down to .277" (6.8 mm). Although the .270 Winchester was not an instant success, within a few decades it became one of the most popular big game hunting cartridges for mid sized game worldwide, because of its relatively mild recoil and flat trajectory within ...
The 6.8mm Remington Special Purpose Cartridge (6.8 SPC, 6.8 SPC II or 6.8×43mm) is a rimless bottlenecked intermediate rifle cartridge that was developed by Remington Arms in collaboration with members of the U.S. Army Marksmanship Unit and United States Special Operations Command [6] to possibly replace the 5.56 NATO cartridge in short barreled rifles (SBR) and carbines.
Common rifle cartridges, from the largest .50 BMG to the smallest .22 Long Rifle with a $1 United States dollar bill in the background as a reference point.. This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name.
From left to right: 1.17 Hornady Mach 2, 2.17 Hornady Magnum Rimfire, 3.22 Long Rifle, 4.22 Winchester Magnum Rimfire, 5.17/23 SMc, 6 5mm/35 SMc, 7.22 Hornet, 8.223 Remington, 9.223 WSSM, 10.243 Winchester, 11.243 Winchester Improved (Ackley), 12.25-06 Remington, 13.270 Winchester, 14.308 Winchester, 15.30-06 Springfield, 16.45-70 Government ...
The .277 Fury or 6.8×51mm Common Cartridge [4] [5] (designated as the .277 SIG Fury by SAAMI) [1] is a centerfire rimless bottlenecked rifle cartridge announced by SIG Sauer in late 2019. [2] Its hybrid three-piece cartridge case has a steel case head and brass body connected by an aluminum locking washer to support the high chamber pressure ...
To use an efficient and low-drag "spitzer boat-tail" shape of bullet, a minimum length for optimum performance is 4.23 times the caliber. This formula shows that a .308 bullet would not be as efficient as possible, if the ideal shape was scaled down to a solid bullet weight that is less than approximately 150 gr (a hollow-point configuration ...
Maximum case lengths are 72.4 mm (2.850 in) and 65.8 mm (2.590 in) respectively. Shoulder angles are 30 degrees for the Remington cartridge and a slightly sharper 35 degrees for the Nosler. Due to its greater length, the Remington case is about 25 percent more capacious than the Nosler.
Cross section of external-propellant caseless ammunition, type 4.92 × 34 mm Heckler & Koch 4.73 × 33 mm Heckler & Koch, external-propellant caseless ammunition disassembled. The components are, from left to right: the solid propellant, the primer, the bullet, and a plastic cap that serves to keep the bullet centered in the propellant block.