AR-15 Lower Receivers

Upgrade your AR build with the best lower receivers available online. We've selected top-rated options that are well-made and compatible with many AR-15 parts. Whether you're experienced or building your first AR, you'll find a lower receiver that fits your needs and budget. Shop trusted brands for better performance, easy setup, and reliable use. Every lower receiver we offer meets high-quality standards, giving you a solid base for your nest build. See why people choose us for the best lower receivers?order now and improve your AR project!
View as Grid View List View

Items 1-24 of 712

Set Descending Direction
  1. Rating:
    98%
    Regular Price $349.99 Special Price $129.99
  2. Rating:
    99%
    Regular Price $399.99 Special Price $149.99
  3. Rating:
    96%
    Regular Price $229.99 Special Price $169.99
  4. Rating:
    100%
    Regular Price $349.99 Special Price $229.99
  5. Rating:
    93%
    Regular Price $439.99 Special Price $229.99
  6. Rating:
    96%
    Regular Price $459.99 Special Price $229.99
  7. Rating:
    96%
    Regular Price $379.99 Special Price $169.99
  8. SAVE $99.99 When you add both!
    Regular Price $869.98 Special Price $769.99
  9. SAVE $30.00
    Regular Price $149.97 Special Price $119.97
  10. SAVE $10.00 When you add both!
    Regular Price $109.98 Special Price $99.98
  11. SAVE $10.00 When you add both!
    Regular Price $109.98 Special Price $99.98
  12. Rating:
    100%
    $399.99
  13. Rating:
    40%
    Regular Price $384.99 Special Price $349.99
  14. Regular Price $130.99 Special Price $118.99
  15. Regular Price $179.99 Special Price $129.99
  16. Regular Price $179.99 Special Price $129.99
  17. Regular Price $199.99 Special Price $149.99
  18. Regular Price $199.99 Special Price $149.99
View as Grid View List View

Items 1-24 of 712

Set Descending Direction

Learn More about the AR-15 Lower Receiver

AR-15 Lower Receiver FAQ

What is an AR-15 Lower Receiver?

A lower receiver is the core component of a firearm, most commonly associated with AR-15 rifles and similar platforms. It houses the trigger group, magazine well, and other essential parts that make the firearm function. In the AR-15 platform, the lower receiver is the serialized part. Selecting a quality lower receiver is crucial for building a reliable, accurate, and durable rifle.

What Makes a Lower Receiver Stand Out?

When searching for a high-quality best lower receiver, several factors come into play:

  1. Material: Most are made from either forged or billet aluminum, with 7075-T6 aluminum being the industry standard for strength and durability. Polymer options are also available for lightweight builds, though they may not offer the same longevity.
  2. Manufacturing Process: Forged aluminum receivers are compressed under high pressure, resulting in a strong and affordable product. Billet versions are machined from a solid block of aluminum, allowing for unique designs and features.
  3. Compatibility: Top receivers are compatible with a wide range of upper receivers, triggers, and other components, allowing for maximum customization.
  4. Finish: Hardcoat anodizing is the most common finish, providing corrosion resistance and a sleek appearance.
  5. Features: Some offer enhanced features such as flared magazine wells, built trigger guards, and tension screws for a tighter fit with the upper receiver.

What Are the Top Brands for Lower Receivers?

Many trusted brands make high-quality mil-spec options. Some of the most popular and trusted brands include:

  1. Palmetto State Armory (PSA): PSA offers a wide range, from basic models to premium options with enhanced features.
  2. Harrington & Richardson: H&R lowers combine old-school craftsmanship with modern performance. These forged lowers feature retro styling, hardcoat anodizing, and are perfect for vintage builds or modern duty rifles.
  3. Daniel Defense: Daniel Defense Complete Lower Receiver Group, featuring precision-machined 7075-T6 aluminum, a Mil-Spec finish, and Daniel Defense buttstock and pistol grip for enhanced comfort and control.
  4. Franklin Armory: Built for those seeking performance and innovation. Featuring durable construction, Mil-Spec compatibility, and select models with Franklin's patented Binary Firing System.

What Types of Lower Receivers Are Available?

Below are several types of lower receivers to consider, depending on your goals:

  1. Stripped Lower Receivers: These are bare, allowing you to choose and install your own lower parts kit, trigger, and grip. Ideal for custom builds.
  2. Complete Lower Receivers: These come fully assembled with all necessary parts installed, ready to be paired with an upper receiver. Great for those who want a plug-and-play solution to pair with a complete upper.
  3. Pistol Lower Receivers: Designed for AR-style pistols, these are configured to accept pistol braces instead of rifle stocks.
  4. Specialty Lowers: Some are designed for specific calibers (such as 9mm or .308) or feature unique designs and engravings.

How Do I Choose the Best Lower Receiver for My AR Build?

Selecting the best lower receiver depends on your intended use and personal preferences. Here are some tips to help you decide:

  1. Purpose: Are you building a rifle for home defense, competition, hunting, or recreational shooting? Your intended use may influence your choice of features and materials.
  2. Budget: Receivers are available at a wide range of price points. Entry-level models offer great value and budget friendly, while premium options provide enhanced features and aesthetics.
  3. Customization: If you plan to upgrade or customize your rifle, a stripped lower gives you the most flexibility.
  4. Aesthetics: Some builders prefer unique designs, custom engravings, or special finishes to personalize their firearm.

What Are the Benefits of Buying a Lower Receiver from Palmetto State Armory?

Palmetto State Armory is a trusted source for high-quality, best lower receivers, offering several advantages:

  1. Wide Selection: PSA carries a broad range from top brands, as well as its own in-house models.
  2. Great Prices: PSA is known for having some of the best deals in the industry, so it's easy to find a receiver that fits your budget.
  3. Reliable Quality: All PSA products are made with strict quality standards to ensure they're dependable and perform well.
  4. Customer Support: PSA's knowledgeable staff can help you choose the right receiver for your build and answer any questions you may have.

Can I Build My AR-15 Using a Stripped Lower Receiver?

Absolutely! Stripped receivers are the foundation for custom AR-15 builds. You can select your preferred lower parts kit, trigger, grip, and stock to create a rifle tailored to your needs.

Are Complete Lower Receivers a Good Option for Beginners?

Yes, complete receivers are an excellent choice for those new to building AR-15s. They come fully assembled and tested, allowing you to simply attach an upper receiver.

What's the Difference Between Forged and Billet Lower Receivers?

Forged receivers are made by hammering aluminum into shape, resulting in a strong and cost-effective product. Billet receivers are machined from a solid block of aluminum, allowing for more intricate designs and features, but often at a higher price point.

Do Lower Receivers Affect Accuracy?

While the lower receiver is not directly responsible for accuracy, a well-made one ensures proper fit and function with the upper receiver, which can contribute to overall reliability and performance.

Conclusion: Find the Best Right Lower Receiver for Your Next Build

Choosing the best lower receiver is a critical step in building a reliable and high-performing AR-15 or similar rifle. Whether you're looking for a stripped or complete model, forged or billet construction, Palmetto State Armory offers a wide selection to meet your needs. Explore our collection today to find the best lower receiver for your next build and experience the quality and value that PSA is known for.