A gun is a mechanical device made up of several important parts that work together to load, fire, and eject ammunition. Each part has a specific function, such as guiding the bullet, holding the ammunition, or helping the user aim safely and accurately. Understanding the parts of a gun with their names in English is helpful for general knowledge, safety awareness, and educational purposes. In this post, you will learn Parts of Gun with Names in English with Pictures to help you identify and learn the main components easily.
Parts of Gun with Names list
- Barrel
- Muzzle
- Chamber
- Bore
- Rifling
- Receiver
- Frame
- Slide
- Bolt
- Firing pin
- Hammer
- Trigger
- Trigger guard
- Safety
- Magazine
- Follower
- Spring
- Baseplate
- Grip
- Backstrap
Gun Parts Names in English with there Pictures
- Barrel
Long metal tube that guides the bullet after firing, directing it forward while containing pressure created by burning propellant.
- Muzzle
Front opening of the barrel where the bullet exits, determining the final direction of the fired projectile.
- Chamber
Rear section of the barrel that holds the cartridge in place before firing, aligning it correctly with the firing mechanism.
- Bore
Hollow interior of the barrel through which the bullet travels after being fired.
- Rifling
Spiral grooves cut inside the bore that spin the bullet, improving accuracy and stability during flight.
- Receiver
Central body of the gun that houses internal components and connects the barrel, stock, and firing parts.
- Frame
Main structural body of a handgun that supports the slide, trigger mechanism, and grip components.
- Slide
Moving upper part of many pistols that chambers rounds, ejects spent cases, and cocks the firing system.
- Bolt
Mechanical part that moves to load, lock, fire, and extract cartridges in certain firearm designs.
- Firing pin
Small metal pin that strikes the cartridge primer, igniting the propellant to fire the bullet.
- Hammer
Pivoting component that strikes the firing pin or primer when released by the trigger.
- Trigger
Control lever pulled by the user to release the firing mechanism and initiate a shot.
- Trigger guard
Protective loop around the trigger that helps prevent accidental trigger movement.
- Safety
Mechanical device that blocks firing action, reducing the risk of accidental discharge.
- Magazine
Removable container that stores cartridges and feeds them into the chamber during firing.
- Follower
Internal magazine piece that pushes cartridges upward as ammunition is used.
- Spring
Coiled metal component that provides tension to move parts like the follower, slide, or hammer.
- Baseplate
Bottom cover of a magazine that holds internal parts in place and allows handling.
- Grip
Handle area designed for holding the firearm securely and comfortably during use.
- Backstrap
Rear portion of the grip that rests against the palm, affecting comfort and hand fit.
Gun Parts Names in English with there Pictures
Explore Gun parts and Name
- Sights
- Front sight
- Rear sight
- Ejector
- Extractor
- Feed ramp
- Recoil spring
- Guide rod
- Takedown lever
- Slide stop
- Magazine release
- Dust cover
- Ejection port
- Picatinny rail
- Buffer
- Gas tube
- Piston
- Handguard
- Stock
- Buttplate
Common Parts of Gun with their Names and Pictures
- Sights
Aiming devices on a firearm that help align the barrel with the target for accurate shooting, improving precision and consistency during firing.
- Front sight
Small sight mounted near the muzzle, aligned with the rear sight to help the shooter focus and aim accurately at the target.
- Rear sight
Sight positioned closer to the shooter, used together with the front sight to align shots correctly and improve aiming accuracy.
- Ejector
Fixed or moving part that pushes the empty cartridge case out of the firearm after firing, ensuring proper ejection.
- Extractor
Hook-shaped component that grips the cartridge rim and pulls it from the chamber during the firing cycle.
- Feed ramp
Sloped surface that guides cartridges smoothly from the magazine into the chamber during loading.
- Recoil spring
Spring that absorbs recoil energy and returns the slide or bolt forward after firing.
- Guide rod
Rod that supports and aligns the recoil spring, allowing smooth movement during the firearm’s operation.
- Takedown lever
Control used to safely disassemble the firearm for cleaning, inspection, and maintenance.
- Slide stop
Lever that locks the slide open after the last round is fired, indicating an empty magazine.
- Magazine release
Button or lever that releases the magazine from the firearm for quick reloading.
- Dust cover
Protective area that shields internal firearm parts from dirt, dust, and debris.
- Ejection port
Opening through which spent cartridge cases exit the firearm after firing.
- Picatinny rail
Standard mounting rail used to attach accessories like scopes, sights, or lights.
- Buffer
Component that reduces recoil impact and slows moving parts in certain firearm systems.
- Gas tube
Tube that directs gas from the barrel to operate the action in gas-powered firearms.
- Piston
Part moved by gas pressure to cycle the firearm’s action during firing.
- Handguard
Protective cover around the barrel that shields the shooter’s hands from heat.
- Stock
Rear support of the firearm that rests against the shoulder, aiding control and stability.
- Buttplate
End plate of the stock that contacts the shoulder, helping manage recoil and improve comfort.
Common Parts of Gun with their Names and Pictures
