The .338 Lapua Magnum (8.6×70mm or 8.58×70mm) is a Finnish rimless, bottlenecked, centerfire rifle cartridge. It was developed during the 1980s as a high-powered, long-range cartridge for military snipers. Due to its use in the War in Afghanistan and the Iraq War, the cartridge has become widely available.

The .338 Winchester Magnum is a .338 in (8.6 mm) caliber, belted, rimless, bottlenecked cartridge introduced in 1958 by Winchester Repeating Arms. It is based on the blown-out, shortened .375 H&H Magnum. [2] The .338 in (8.6 mm) is the caliber at which medium-bore cartridges are considered to begin.

The following bullet caliber size charts show a measurement in inches and millimeters of the most common rifle and handgun ammo cartridges. Details and specs for each bullet caliber include size, type, recoil primer and performance ballistics.

2024年2月19日 · .338 caliber ammunition is less common than popular calibers such as 5.56mm and .308, but it can still be found at many gun stores and online retailers. What is the effective range of .338 caliber rifles?

The .338 Lapua is capable of producing fast kills on both light through and large bodied game at high impact velocities. Below 2600fps, the .338 bore loses the ability to create hydrostatic shock and can produce slow kills on both light and heavy game.

.300 lm本质上就是.338 lm缩颈并装配一枚.308弹头的产物，由于使用了.338 lm为高膛压专门强化的弹壳，所以.300 lm的膛压相较于其他近似口径仍然偏高，当然这是所有.338 lm衍生弹种身上都能看到的特点。

The .338 Winchester Magnum has 10% greater bullet diameter over the .30 caliber resulting in a 27% increase in frontal area and can be loaded with heavier bullets. Many hunters expect the .338 caliber to be a fast killer or overkill on light game and ideal for game the size of Red deer or Caribou through to Moose.

2021年7月26日 · Officially introduced to the public in 1958 by Winchester, the .338 Win Mag is an excellent, flat shooting, accurate, hard recoiling rifle cartridge capable of taking any sized game in North America to include polar and grizzly bear.

The ballistic performances based off five grain types for velocity are 3,340 ft/s (200 gr), 2,940 ft/s (250 gr Partition), 3,000 ft/s (250 gr Lapua Scenar), 2,750 ft/s (300 gr Sierra HPBT), and 2,750 ft/s (300 gr Lapua Scenar). The 250 grain military spitzer boat tail is capable of reaching targets up to 1500 meters distance away.

2023年11月18日 · .338 Federal vs. .338 Winchester Magnum Size Differences. There are some differences in dimensions between .338 Federal and .338 Winchester Magnum cartridges. The diameter of a cartridge is important for gun compatibility. The diameter of a .338 Federal cartridge is 0.338 inches (8.5852 millimeters).