22 Winchester Magnum Rimfire (5.6×27mmR), more commonly called .22 WMR, .22 Magnum, or simply .22 Mag, is a rimfire cartridge. Originally loaded with a bullet weight of 40 grains (2.6 g) delivering velocities in the 2,000 feet per second (610 m/s) range from a rifle barrel, .22 WMR has also been loaded with bullet weights of 50 grains.
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fiocchi ammo was introduced in 1959 by Winchester, but was not used by Winchester until the Winchester Model 61 slide rifle could be chambered for it in 1960. The first rifle to be offered in the new chambering was the Marlin Levrmatic rifle in 1959, because its design was easily modified to accept the more powerful cartridge. By the time of the introduction of the Winchester 61, Smith & Wesson and Ruger had revolvers for it, and Savage had come out with the Model 24 and since late 2012, the Model 42, a more modern update than the 24, a .22/.410 rifle/shotgun combination gun. It was the only successful rimfire cartridge introduced in the 20th century handgun.
Since the .22 WMR uses bullets comparable in weight to the .22 Long Rifle, but is considerably faster, it shoots flatter and farther and hits harder at all ranges. The 40-grain (2.6 g) .22 WMR at 100 yards (91 m) still has 50% more kinetic energy than a 40-grain (2.6 g) .22 LR at the muzzle. The .22 WMR provides improved penetration and more reliable expansion at longer ranges with expanding bullets.
If sighted in for maximum point blank range on a 3-inch (76 mm) high target, the 40-grain (2.6 g) .22 WMR has an effective range of nearly 125 yards (114 m). This makes the .22 WMR an effective short to medium range varmint rifle and hunting rifle cartridge. The .22 WMR can effectively kill small game such as rabbits, hares, groundhogs, prairie dogs, foxes, raccoons, opossums, and coyo
PERFORMANCE SHOOTING DYNAMICS
CALIBER: 22 WINCHESTER MAGNUM
BULLER WEIGHT: 40 GRAIN
BULLET STYLE: JACKETED HOLLOW POINT
QUANITY: 50 ROUNDS PER BOX
MUZZLE VELOCITY: 1910 FPS
MADE IN THE USA
|BULLET WEIGHT||40 GRAIN|
|MUZZLE VELOCITY||1910 FPS|