Bullet

GP11 coupe

File:Bullet Wiki.ogv

MaryRose-round shot

Naseby musket balls

Early cylindrical bullets#/media/

Bullet

A bullet is a projectile designed to be fired from a firearm or cannon. Bullets are made of a variety of materials such as lead, copper, steel, and even polymers. They are typically shaped for aerodynamic efficiency and are stabilized in flight by either a spin imparted by rifling in the barrel or, in the case of shotgun slugs, by fins or other means. The primary functions of a bullet are to penetrate, cause damage to, or destroy a target upon impact.

History

The history of bullets overlaps significantly with the history of firearms. Early projectiles were simple stone and metal balls, which were propelled by black powder. The invention of the gunpowder in China and its subsequent introduction to Europe led to significant advancements in projectile weapons. The term "bullet" comes from the French word boulette, which means "small ball" or "pellet". The development of rifling in gun barrels, which imparts a spin to the bullet, greatly improved accuracy and range.

Design and Ballistics

Bullets come in various shapes and sizes, each designed for specific purposes. The most common shapes include:

• Round Nose (RN): A bullet with a rounded tip, which is common in handguns.
• Spitzer: A bullet with a pointed tip, designed for long-range shooting.
• Hollow Point (HP): A bullet designed to expand upon impact, causing more damage to the target. It is commonly used in law enforcement and hunting.
• Full Metal Jacket (FMJ): A bullet with a soft core (usually lead) encased in a shell of harder metal. FMJ bullets are used primarily in military applications.

The effectiveness of a bullet is determined by its ballistics, which is the science of the motion of projectiles. Ballistics is divided into three main areas: internal ballistics (the behavior of the bullet in the barrel), external ballistics (the behavior of the bullet as it travels through the air), and terminal ballistics (the behavior of the bullet upon impact with the target).

Manufacturing

Bullet manufacturing involves several processes, including casting, swaging, and jacketing. Casting is the process of pouring molten metal into a mold to create a bullet. Swaging involves pressing metal into a die to form the bullet shape. Jacketing is the process of covering a lead core with another metal, typically copper.

Environmental and Health Concerns

The use of lead in bullets has raised environmental and health concerns. Lead can contaminate soil and water and pose a risk to wildlife and humans. Alternatives to lead bullets, such as those made from copper or steel, have been developed to address these concerns.

Regulation and Control

The sale and possession of bullets are regulated by law in many countries. Regulations may include restrictions on certain types of bullets, such as armor-piercing or hollow-point rounds, and requirements for licensing and background checks for purchasers.

In Popular Culture

Bullets have a significant presence in popular culture, often symbolizing violence and conflict. They are featured prominently in movies, television shows, video games, and literature, often with exaggerated effects to enhance drama and excitement.

Bullet Resources
Need Help Finding a Doctor? Need help finding a doctor or specialist anywhere in the world? Explore our world directory. WikiMD's DocFinder can assist you in locating millions of physicians.	Medical Knowledge Access the latest research - Most recent articles Ongoing trials.

Translate to: East Asian 中文, 日本, 한국어, South Asian हिन्दी, Urdu, বাংলা, తెలుగు, தமிழ், ಕನ್ನಡ,
Southeast Asian Indonesian, Vietnamese, Thai, မြန်မာဘာသာ, European español, Deutsch, français, русский, português do Brasil, Italian, polski