Minie ball (2024)

Minie ball (1)

The lead minie ball


During the Civil War the North and South used a great variety of small arms ammunition, but the type most used was the minie ball. Prior to the development of the minie ball, rifles were not used in combat due to the difficulty in loading. The ammunition used by rifles was the same diameter as the barrel in order for the bullet to engage the groves of the rifled barrel. As a result the ball had to be forced into the barrel. The minie ball, originally designed by Captain Claude-Etienne Minie of France and improved on by manufacturers in the United States, changed warfare. Since the minie ball was smaller than the diameter of the barrel, it could be loaded quickly by dropping the bullet down the barrel. This conical lead bullet had two or three grooves and a conical cavity in its base. The gases, formed by the burning of powder once the firearm was fired, expanded the base of the bullet so that it engaged the rifling in the barrel. Thus, rifles could be loaded quickly and yet fired accurately.

These two minie balls from opposing sides met head-on during fierce fighting at the Battle of Fredericksburg, Virginia, in December 1862.


Division of the History of Technology, Armed Forces History
National Museum of American History, Smithsonian Institution
Behring Center
Gift of M. Lewis Crosby

Minie ball (2024)

FAQs

Why was the minie ball so devastating? ›

The Minié ball tended to cut a straight path and usually went all the way through the injured part; the ball seldom remained lodged in the body. If a Minié ball struck a bone, it usually shattered it. The damage to bones and resulting compound fractures were usually severe enough to necessitate amputation.

What weapon caused 90% of all casualties during the Civil War? ›

Known as the minie ball, the missile proved to be the single most deadly weapon in the entire war, causing over 90 percent of all wounds. 2 The minie ball combined increased range and destructive force to outstrip the knowledge of medical personnel who had to deal with its consequences.

How accurate was the minie ball? ›

On its way, the iron bullet expanded, gripping the spiral rifling and spinning so tightly along its course that its range and accuracy were greatly increased, with fewer misfires. The effective range of a Minié bullet was from 200 to 250 yards, a huge improvement on earlier ammunition.

What is a minie ball in the Civil War? ›

The Minié ball, or Minie ball, is a type of bullet used extensively in the American Civil War. The muzzle-loading rifle bullet was named after its codeveloper, Claude-Étienne Minié.

Why did the Minié ball cause so many amputations? ›

When it struck a human, the ball caused considerable damage, oftentimes flattening upon impact. Minnie balls splintered bones, damaged muscle, and drove dirt, clothing, and other debris into the wounds. As a result of the immense damage inflicted by Minnie balls, amputations were common during the Civil War.

What did the Minié ball do when it hit someone? ›

If a soldier were struck in an arm or leg by a Minié ball, it would almost certainly shatter the bone it hit beyond repair. Unable to set the bone of a wounded soldier, doctors had no choice but to amputate the limb.

What was the #1 cause of death during the Civil War? ›

The number one cause of death during the Civil War was disease, specifically diarrhea and dysentery. Other major causes of death included direct combat and wounds, malnutrition, and becoming a prisoner of war.

What killed most men during the Civil War? ›

Altogether, two-thirds of the approximately 660,000 deaths of soldiers were caused by uncontrolled infectious diseases, and epidemics played a major role in halting several major campaigns.

What killed more soldiers in the Civil War than bullets? ›

Of the 620,000 recorded military deaths in the Civil War about two-thirds died from disease.

Why was the Civil War so bloody? ›

Civil War casualties, like those of World War I, reached catastrophic levels, Faust explains, in part because "technology changed without a concomitant change in strategy." For example, the invention of the Minié ball, a conical bullet that expanded to fit the rifling grooves when fired, gave rifles far longer range ...

Did both sides use the Minié ball? ›

In the Civil War, both sides issued rifled muskets with minié balls to their infantry, a move that drastically increased the killing power of the average soldier.

What is the rarest Civil War bullet? ›

Whitworth bullets are one of the rarest Civil War bullets.

Why are minié balls white? ›

These bullets originate from the Battle of Vicksburg (May 18-July 4, 1863). The musket ball and six of the eight minié balls are coated in white dust. This dust is most likely a basic lead carbonate which results from weathering and the early stages of lead oxidation.

How many men were dead by the end of the Civil War? ›

No one disagrees with that. But how many died has long been a matter of debate. For more than a century, the most-accepted estimate was about 620,000 dead. A specific figure of 618,222 is often cited, with 360,222 Union deaths and 258,000 Confederate deaths.

Why was the death toll so high in the Civil War? ›

The Civil War had the highest death toll of any war until the Vietnam War. Outdated battle strategies in combination with large frontal attacks and military formations contributed to such high casualty rates. This was also the first war to utilize newer technologies, like booby traps and landmines.

What was the greatest cause of deaths among soldiers on both sides during the Civil War? ›

Pneumonia, typhoid, diarrhea/dysentery, and malaria were the predominant illnesses. Altogether, two-thirds of the approximately 660,000 deaths of soldiers were caused by uncontrolled infectious diseases, and epidemics played a major role in halting several major campaigns.

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