What to Look for When Buying Parts for Your AR-15 Rifle

Did you know that for every 100 American Citizens, there are 120.5 firearms?

Shopping for parts and upgrades for your AR-15 can be overwhelming. With so many options available, how do you know which parts are the best fit for your rifle?

It can be tough to find quality gun parts that fit your budget and needs. You don’t want to spend too much or end up with a part that doesn’t work well with your rifle.

But don’t worry. Keep reading because this guide will help you understand what to look for when sourcing parts for your AR-15. We’ll walk you through the different types of parts available and help you decide which ones are best for you.

What Is an AR-15 Rifle?

An AR-15 rifle is a popular choice for many gun enthusiasts. It is a versatile and powerful weapon that can be used for a variety of purposes. The AR-15 is also relatively easy to customize and upgrade. There are many different parts available for this rifle, so it is important to know what to look for when sourcing gun parts.

The AR-15 is a gas-operated, semi-automatic rifle. It is chambered for a variety of different cartridges, including the .223 Remington and the 5.56 NATO. The AR-15 is a popular choice for many shooters because it is lightweight, accurate, and easy to handle.

Let’s look at some of the key things you need to be aware of when buying parts for your AR-15 Rifle.


Before making any purchase for your AR-15, it is important to do your research and to make sure that the parts you buy are compatible with your specific model. Incompatible parts can cause problems with function or fit, and even the slightest issue can throw off your entire firearm.

There are many resources available online and in print that can help you to find the information you need. The manufacturers’ websites are a good place to start, as they will have a list of compatible parts for each model. You can also find helpful information in forums and online groups dedicated to AR-15s.

With a little bit of effort, you can be sure that the parts you buy are compatible with your gun and will fit perfectly.


There are a lot of different factors to consider when choosing an AR-15. First, you need to decide what you want the rifle to be able to do. Are you looking for enhanced accuracy? More power? Better ergonomics? Once you know what you need, you can start narrowing down your options.

There are a variety of different manufacturers, and each offers a wide range of different models. You’ll also need to decide on the right caliber and accessories. With so many choices to make, it’s important to do your research and find the AR-15 that’s right for you.


When it comes to AR-15 parts, there is a wide range of prices. For example, a simple barrel can cost as little as $50, while a more sophisticated trigger assembly can cost upwards of $200. As such, it’s important to set a budget before you start shopping.

Otherwise, you may get overwhelmed by the sheer number of options and end up spending more than you intended. Of course, there are ways to save money when shopping for AR-15 parts. For instance, you can look for parts that are on sale or buy in bulk.

However, the best way to save money is to do your research and compare prices from different retailers. By taking the time to find the best deals, you can ensure that you get the parts you need without breaking the bank.

Ensure You Understand How to Keep Guns Safe

AR-15 parts can be found online and in gun stores. Purchasing the right parts is important, but it’s also essential to follow gun safety rules. Improper gun safety can lead to accidents, injury, and even death. Be sure to familiarize yourself with gun safety rules and regulations before making any purchases.

When handling guns, always keep the muzzle pointed in a safe direction. Keep your finger off the trigger until you’re ready to shoot. And always be sure of your target and what’s beyond it.

Remember, guns are dangerous tools and should be treated with respect. By following these simple safety rules, you can help prevent accidents and keep yourself and others safe.

What the Law Says About Building an AR-15

Building an AR-15 rifle can be a fun and rewarding project, but it’s important to make sure you’re following the law. In the United States, it’s legal to build an AR-15 as long as you comply with federal, state, and local laws. That means getting a background check and registering the weapon with the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF).

It’s also important to choose the right parts for your rifle. For example, if you’re building a “short-barreled rifle,” which is defined as a rifle with a barrel shorter than 16 inches, you need to apply for a tax stamp from the ATF.

Size of the Gun Accessory Matters

The size of the gun accessory matters a lot when it comes to compatibility. For example, a muzzle brake that is too large may not fit on your AR-15 barrel. Conversely, a handguard that is too small may not provide adequate protection from the heat generated by your rifle’s barrel.

Material Matters

When it comes to durability and performance, the material your gun parts are made from matters. For example, aluminum is a popular choice for AR-15 parts because it’s strong yet lightweight. However, other materials like polymer can also be used for certain parts like handguards and grips.

Finish Matters

The finish on your gun parts can affect both function and aesthetics. A black anodized finish is common on AR-15 parts, but you can also find parts with a shiny chrome finish or even a camouflage finish. While the chrome finish may look great, it can actually interfere with the function of the gun by making it more difficult to clean.

The camouflage finish is also not ideal for durability, as it can chip and fade over time. However, both finishes can provide a unique and stylish look to your gun. Ultimately, it is up to you to decide what type of finish you want on your gun parts.

Perform an Inspection Before Making a Purchase

Before you buy any AR-15 parts, it’s important to inspect them carefully. Check for any signs of damage or wear and tear. If you’re buying used parts, be sure to ask the seller about the condition of the parts and whether they’ve been used before.

Get Recommendations From Other Shooters

If you’re having trouble finding the right parts for your AR-15, try asking other shooters for recommendations. There are many online forums and groups dedicated to AR-15s where you can get advice from experienced shooters.

Many shooters recommend Aero Precision products. Check them out now!

Licenses and Permits

In some cases, you may need a license or permit to buy AR-15 parts. For example, if you’re buying a short-barreled rifle (SBR) upper receiver, you’ll need to get a federal firearms license (FFL). Be sure to check the laws in your area before making any purchases.

Do Your Homework

Building an AR-15 can be a fun and rewarding project, but it’s important to do your homework before you get started. By doing your research and shopping carefully, you can ensure that you find the right parts for your rifle.

What Are Some of the Best Accessories for Your AR-15 rifle?

There are many different accessories available for your AR-15 rifle. Some of the best include:

Muzzle Brakes and Flash Suppressors

These devices attach to the muzzle of your rifle and help reduce recoil and muzzle rise. They also help to reduce the visibility of your muzzle flash.

Handguards and Rail Systems

These components protect your hands from the heat generated by your rifle’s barrel. They also provide a mounting platform for accessories like optics and lights.


This is the part of your rifle that you rest against your shoulder. There are many different types of buttstocks available, so you can choose one that fits your shooting style.


A good grip is essential for any marksman. It helps you to hold your rifle securely and lines up your hand with the trigger for a smooth, consistent pull. Grips come in a variety of materials, from wood and plastic to rubber and even metal. Some grips are textured to provide a more secure grip, while others are smooth for a more comfortable hold.


There are many different types of optics available for your AR-15, including red dot sights, scopes, and magnifiers. There are also a variety of mounting systems available for all of these different types of optics, so you can choose the one that best fits your needs. With so many different options available, you are sure to find the perfect optic for your AR-15.

Lasers and Lights

These accessories can be mounted on your rifle to help you see in low-light conditions or to help you target your shots more accurately.

Ready to Upgrade Your AR-15 Rifle?

With the right research, you can find gun parts for your AR-15 rifle that will improve accuracy, shooting performance, and more. Check out our blog for more articles like this one that will help you make the most informed decisions when upgrading your weapon.

Thanks for reading!

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