Utilizing the strengths of the .220 Swift and understanding its limitations are vital for success. The most spectacular wounds are produced at impact velocities of above 3300fps - inside 125 yards. As range is increased, wound channels become narrower and narrower resulting in slower killing.

The .220 Swift (5.56×56mmSR) is a semi-rimmed rifle cartridge developed by Winchester and introduced in 1935 for small game and varmint hunting. It was the first factory-loaded rifle cartridge with a muzzle velocity of over 1,200 m/s (4,000 ft/s).

The ballistics chart below compares the trajectory of .204 Ruger, .223 Remington, .22-250 Remington, and .220 Swift loads each firing the Hornady V-Max bullet. As I referenced earlier in the article, the .220 Swift performs best at near maximum velocity.

Ballistics Charts & Data for the .220 Swift Rifle. Velocity, Energy, Short/Long Trajectory for .220 Swift caliber rounds.

The .220 Swift is an old cartridge made back in 1934 by Winchester and is based off the 6mm Lee Navy and even older cartridge designed back in 1894. This bullet grains range from 40 gr to 60 gr, and its speed ranges between 3,600 on the 60gr and 4,200 fps on the 40 gr.

2023年6月15日 · .220 Swift Ballistics: What Is It Good For? Based on its ballistic properties, what exactly is .220 Swift good for? On paper, it makes a fantastic light game cartridge for moderate ranges, but where this cartridge truly excels is for varmints. It would also make a …

2024年8月8日 · In its initial factory loading, the .220 Swift launched a 48-grain bullet at a velocity of 4,110 fps and had a trajectory like a stretched banjo string. It was introduced in 1935 by Winchester Repeating Arms, into a world that thought the .219 Zipper was pretty hot stuff. It left them in the dust.

Here are some .220 Swift specifications of interest to reloaders: bullet diameter .224", maximum case length 2.205", maximum COL 2.68", MAP 54,000 cup. IMR 4064 and IMR 4320, along with Hodgdon's H380, H414, and H4895 are recommended powders for …

2020年12月29日 · The 220 Swift sends most 50 grain bullets downrange at around 4,000 feet per second and 60 grain bullets around 3,600 feet per second. Because of these speeds and the heat they generate, it is highly recommended to space out shots for longer barrel life.

2011年1月4日 · That's exactly what happened back in 1935 when Winchester introduced the .220 Swift. Loaded to a muzzle velocity of 4,110 fps with a 48-grain bullet, it was more than 1,400 fps faster than the .22 Hornet, which had been the fastest pure …