What to Include in Your AR 15 Maintenance Parts Kit

Are you a proud owner of an AR 15 parts kit? Do you want to keep your gun working to the best of its abilities? If so, you need to have the tools to take care of your gun.

To ensure that your rifle will last for years to come. You’ll be able to pass down your gun as an heirloom to your children someday.

If you don’t know what you should have in a maintenance kit, this article can help. Read on to discover the essential AR 15 maintenance kit parts.

Here is a list of parts that you should include in your AR 15 maintenance parts kit for your charging handle:

A Buffer

The buffer helps to cycle the action of the AR 15. And without it, the rifle would not function. There are different buffers available, and the type that you choose will depend on the specific needs of your rifle.

They designed some buffers for use with specific types of ammunition, while others are more general purpose. You should also consider the weight of the buffer when choosing one for your AR 15.

Buffer Spring

The buffer spring is the bolt carrier group after it is fired each round. It is also responsible for keeping the bolt carrier group closed during periods of firing. Without a functioning buffer spring, your AR 15 will not function correctly.

0-ring set

It is a set of two metal or plastic rings that fit over the muzzle of the rifle. They are used to protect the muzzle from damage during cleaning and other maintenance.

The rings also help keep the muzzle clean by keeping debris and other materials from entering the bore.


The handguard helps protect the shooter’s hand from the hot barrel and gas system. It also provides a platform for attaching AR 15 accessories such as a bipod or flashlight.

Armorer’s Tool

An armorer tool is a must for anyone who owns an AR-15. This tool allows you to field strip, clean, and maintain your AR-15. It is essential to keep your AR-15 in good working order and keep it accurate.

Chamber Brush

This brush cleans the chamber of your gun, and it is one of the most important brushes you will use.

The chamber brush will help to remove any debris or buildup that may be present in the chamber, and it will also help to keep the chamber clean and free of any potential problems.

Bore Brush

It is used to clean the inside of your AR-15 barrel. Bore brushes come in different sizes and materials, so it is important to choose the right one for your barrel.

It made the most common bore brush of brass and is 5/16″ in diameter. This size will work for most AR 15 barrels.

Leaning Rod 

There are a lot of different cleaning rods on the market, but not all of them are created equal.

You want to make sure that you choose a cleaning rod that is designed for cleaning AR-15 rifles. You also want to make sure that the cleaning rod you choose is the correct size for your specific rifle.

Lubricating Oil

This oil helps keep your rifle functioning properly and keeps it in good condition. It is important to use a good quality oil that is designed for firearms. You should also make sure to clean your rifle regularly to ensure that it is properly lubricated.

Receiver Extension

It is responsible for holding the bolt carrier group in place and providing a place for the buffer and spring to reside. A well-maintained receiver extension will ensure that your AR-15 functions properly and reliably.

Receiver Extension Nut

This part is responsible for attaching the receiver extension tube to the receiver. It is important to keep this nut properly lubricated and tightened to ensure a smooth operation of the firearm.

Charging Handle

When it comes to choosing the right charging handle for your AR 15, there are a few things you need to take into account. First, you need to decide what type of profile you want. There are two main types of charging handles, the mil-spec and the enhanced.

The Mil-Spec Charging Handle

This charging handle is designed to work with the AR 15 platform and provides a flawless charging experience.

They made the charging handle from aircraft-grade aluminum which is hard-coat anodized for durability. It features an ergonomic design that is comfortable to use and provides a good grip.

The Enhanced Charging Handle

This component is important because it is one of the few parts of the AR 15 Rifles that are directly manipulated by the operator’s hand.

An enhanced charging handle can make it easier to chamber a round and clear a jam. It can also provide a more solid feel when operating the charging handle.

Charging Handle Latch

It’s important to know what to include in your AR-15 maintenance parts kit, and a charging handle latch is one of the essential items.

This small part keeps the charging handle locked in place so that it doesn’t accidentally fall out while you’re shooting. Without it, your charging handle could get lost or damaged, and you wouldn’t be able to charge your weapon. 

Charging Handle Spring

One of the most important springs in your AR-15 is the charging handle spring. This spring ensures that the charging handle returns to its original position after being pulled back.

Without this spring, your charging handle would not return to its original position, making it difficult to chamber a round. This spring is located in the charging handle and can be replaced if it breaks.

Charging Handle Pin

To keep your AR 15 in good working order, it is important to include a charging handle pin in your maintenance parts kit. This small pin is responsible for holding the charging handle in place, and if it becomes damaged or lost, it can cause enormous problems.

Luckily, they are relatively inexpensive and easy to replace. It is a good idea to keep a few extras on hand, just in case.

Charging Handle Bushing

Your AR 15 maintenance parts kit should include a charging handle bushing. This part is located in the charging handle and is used to keep the handle from moving too far back and forth.

The bushing also keeps the handle from coming out of the charging handle when the bolt is released.

The Complete Bolt Carrier Assembly

The complete bolt carrier assembly (BCA) is one of the most important parts of your AR 15 maintenance parts kit. It contains all the parts needed to ensure the smooth and reliable operation of your AR 15, including:  

Bolt Carrier

Your AR-15 maintenance parts kit should include a bolt carrier. The bolt carrier is the part of the rifle that houses the bolt and ensures its proper alignment in the receiver.

Gas Key

The gas key is located on the top of the carrier and screws into the gas key carrier. It is responsible for opening and closing the gas port on the carrier, which controls the flow of gas to the bolt assembly.

It should regularly check the gas key for wear and tear and replace it if necessary.

Firing Pin

A spare firing pin is a must-have in your AR 15 Rifles maintenance parts kit.

Why? Because the firing pin is the part of the gun that strikes the primer/cartridge to set off the powder and fire the round. If your firing pin is damaged or broken, your gun will not fire. Period.

So having a spare one hand is always a good idea, just in case. When shopping for a spare firing pin, make sure they are made from high-quality materials and is compatible with your specific gun model.


The extractor spent casings from the chamber of the firearm. It is important to keep the extractor clean and free of debris to ensure that it functions properly. A dirty or obstructed extractor can cause a misfire, which can be dangerous.

It is important to clean and inspect your BCA and to replace any worn or damaged parts. A well-maintained BCA will ensure that your AR 15 is always ready for action.

Muzzle Device

list of things to include in an AR-15 maintenance kit about a muzzle device:

Muzzle Brake 

Muzzle brakes are devices that redirect gases and reduce felt recoil. They are an important part of your AR-15 maintenance kit because they can help keep your firearm in good working order and improve your shooting experience.

Flash Hider

A flash hider is a device that attaches to the muzzle of a rifle and helps to reduce the visible signature when the firearm is fired.

This is an important part of maintaining your AR-15, as it can help to keep you hidden from your enemy when operating in combat situations.


By reducing the amount of recoil, the shooter can stay on target with greater ease and accuracy. A properly functioning compensator can also help to reduce muzzle rise, which can improve the shooters’ follow-up shot speed and accuracy.

AR 15 Maintenance Parts Kit You Need to Know

A well-maintained AR 15 is a key component of any successful marksman’s arsenal. A good AR 15 maintenance parts kit will include a cleaning rod and brush, lubricant, barrel shroud, recoil buffer, and action spring.

By taking care of your weapon and keeping it clean and well-oiled, you’ll be sure to have a firearm that will function properly and perform at its best.

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