Exploring Different Types of AR Parts for Your Custom Rifle Build from Rabia's blog

AR parts are an essential aspect of building your custom rifle. From triggers to receivers, handguards, BCGs, and other AR-15 accessories, each component plays a vital role in your gun's performance. Whether you're looking for improved accuracy, reliability, or overall aesthetics, the quality of your AR parts can make all the difference. In this article, we'll explore the different types of AR parts and how they can enhance your rifle build.

Upper Receiver

The upper receiver is an essential component of your AR rifle, housing the bolt carrier group, barrel, and other critical AR parts. When selecting an upper receiver, you'll want to consider factors such as durability, weight, and compatibility with your other components. One popular option is the Aero Precision upper receiver, known for its quality and compatibility with a variety of AR parts. Other top brands include BCM, Daniel Defense, and Noveske.

In addition to the standard stripped upper receiver, you can also opt for an upper receiver kit that includes additional AR parts, such as a forward assist, ejection port cover, and charging handle. Kits can save you time and money, as you won't have to purchase these AR parts separately. However, if you're looking to customize your rifle build, purchasing individual AR parts may be the better option.

Ultimately, the upper receiver you choose will depend on your personal preferences and the specific requirements of your build. With so many quality AR parts and accessories available on the market today, you're sure to find the perfect upper receiver to complete your custom AR rifle.

Lower Receiver

The lower receiver of an AR-15 is the component that houses the trigger and magazine release mechanisms. It's one of the most important AR parts, as it's the foundation of the rifle and plays a significant role in its performance and functionality.

When looking for a lower receiver for your custom rifle build, you'll want to consider factors such as material, weight, and design. There are several types of materials to choose from, including aluminum, polymer, and steel. Aluminum is the most common material and offers a good balance of strength and weight. Polymer lowers are lightweight but may not be as durable as aluminum or steel. Steel lowers are the heaviest and strongest, but may add unnecessary weight to your build.

Another consideration when selecting a lower receiver is the design. Some lower receivers are stripped, which means they don't include any AR parts such as the trigger, magazine release, or bolt catch. This allows you to customize your rifle build with the AR parts of your choosing. Alternatively, you can choose a complete lower receiver, which includes all the necessary components pre-installed. This option may save you time and hassle, but limits your ability to customize your rifle to your exact specifications.

When it comes to customizing your AR-15, the lower receiver is a great place to start. With a wide variety of options for materials, weight, and design, you can find the perfect lower receiver to fit your needs and preferences. Remember to choose a reputable manufacturer and ensure that your lower receiver is compatible with the other AR parts you've selected for your custom rifle build.


One of the most important parts of any firearm, the barrel, is no different when it comes to an AR-15 build. Choosing the right barrel can greatly affect accuracy and reliability, making it crucial to pick one that fits your specific needs.

There are a few factors to consider when choosing an AR-15 barrel. First and foremost is the length, which can range from a compact 10.5 inches to a longer 20 inches. This largely depends on what you plan to use your rifle for, with shorter barrels being ideal for close quarters combat, and longer barrels better for long-range shooting.

Another consideration is the material of the barrel. AR-15 barrels can be made from a variety of materials, including stainless steel, chrome-moly, and carbon fiber. Each has its own unique characteristics and advantages, such as the increased durability of stainless steel and the lightweight nature of carbon fiber.

Finally, you'll want to consider the twist rate of the barrel, which determines how many times the bullet spins as it travels down the barrel. This can affect accuracy and is particularly important when shooting heavier bullets.

Whether you're building an AR-15 from scratch or looking to upgrade your existing rifle, there are plenty of high-quality barrels available from reputable manufacturers. And with an 80-lower receiver, you can customize every aspect of your AR build to your exact specifications.

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By Rabia
Added Jun 6 '23



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