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Looking for something more specific?
AR-10 Lowers
Build your next powerhouse rifle with AR-10 lower receivers from Palmetto State Armory. Crafted for precision and durability, our AR-10 lowers provide a solid foundation for .308 and 6.5 Creedmoor builds. Choose from stripped or complete lowers and start your custom large-frame AR with confidence right here at PSA.
AR-10 Lower Receiver FAQ
What is an AR-10 Lower Receiver?
The lower receiver is the foundational component of an AR-10 rifle, serving as the core part that houses the fire control group, magazine well, and buffer tube attachment point. Unlike the AR-15, which is chambered for smaller calibers like .223 Remington/5.56 NATO, the AR-10 is designed for larger calibers such as .308 Winchester and 6.5 Creedmoor. This part is considered the serialized portion of the firearm, making it a crucial element for any build or upgrade.
What Are the Main Types?
There are two primary types: stripped and complete.
- Stripped: This is a bare unit, ready for customization. It does not include any internal parts, allowing builders to select their preferred trigger, safety, and other components.
- Complete: This version comes fully assembled with all necessary internal parts, including the trigger group, safety selector, magazine release, and buffer tube assembly. It’s ideal for those who want a ready-to-use option without the need for assembly.
What Materials Are Used?
These components are typically made from high-quality materials to ensure durability and performance. The most common materials include:
- Forged Aluminum (7075-T6): Known for its strength and lightweight properties, forged aluminum is the industry standard.
- Billet Aluminum (6061 or 7075): Billet versions are machined from a solid block of aluminum, offering unique aesthetics and sometimes additional features.
- Polymer: Some manufacturers offer polymer options for those seeking a lightweight and budget-friendly alternative, though they may not be as durable as their aluminum counterparts.
What Features Should You Look For?
When selecting one, consider the following features to ensure compatibility and performance:
- Compatibility: Not all units are universally compatible with all upper receivers. The two main patterns are DPMS (LR-308) and Armalite. Make sure your choice matches your upper’s pattern.
- Trigger Guard Design: Some feature an integrated trigger guard for added strength, while others have a removable guard for customization.
- Flared Magazine Well: A flared magwell can make magazine changes faster and easier, especially in high-stress situations.
- Finish: Most are finished with hardcoat anodizing for corrosion resistance and durability.
- Ambidextrous Controls: Some offer ambidextrous magazine releases or bolt catches, which can be beneficial for left-handed shooters.
How Does It Differ from an AR-15 Lower?
While the AR-10 and AR-15 platforms share a similar appearance and operating principles, their lower receivers are not interchangeable due to differences in size and design. The AR-10 version is larger to accommodate the bigger magazine and more powerful cartridges. Additionally, the pin locations, magazine well dimensions, and buffer tube threads may differ between the two platforms.
Can You Build a Custom Rifle Using a Stripped Lower?
Absolutely. Many enthusiasts choose a stripped unit as the starting point for a custom build. This approach allows you to select every component, from the trigger group to the stock, ensuring the rifle meets your specific needs and preferences. Building from a stripped lower also provides the opportunity to upgrade to premium parts and tailor the rifle for hunting, competition, or tactical use.
What Are the Benefits of Upgrading?
Upgrading can enhance your rifle’s performance, reliability, and ergonomics. Some of the key benefits include:
- Improved Trigger Performance: Upgrading to a match-grade trigger can result in a smoother, lighter pull for better accuracy.
- Enhanced Durability: High-quality materials and finishes can extend the lifespan of your rifle.
- Customization: Aftermarket options often offer features like ambidextrous controls, flared magwells, and unique aesthetics.
- Better Fit and Finish: Premium units can provide a tighter fit with your upper receiver, reducing play and improving overall feel.
What Accessories and Parts Are Compatible?
These components are compatible with a wide range of accessories and parts, including:
- Trigger Groups: Single-stage, two-stage, and drop-in triggers.
- Pistol Grips: Standard AR-style grips for improved comfort and control.
- Stocks: Adjustable or fixed stocks that attach to the buffer tube.
- Magazine Releases and Bolt Catches: Standard or enhanced controls for faster operation.
- Buffer Tubes and Springs: Ensure compatibility with the AR-10 platform, as AR-15 components may not fit.
How Do You Maintain It?
Proper maintenance is essential for reliable operation. Regularly clean the fire control group, magazine well, and buffer tube area to remove carbon buildup and debris. Lubricate moving parts as recommended by the manufacturer to ensure smooth function and prevent wear.
Why Choose Palmetto State Armory?
Palmetto State Armory offers a wide selection, including both stripped and complete options. Our products are crafted from high-quality materials and are available in various finishes and configurations to suit any build. Whether you’re starting a new project or upgrading your current rifle, you’ll find the perfect fit at Palmetto State Armory, backed by our commitment to quality and customer satisfaction.
Explore our collection today and take the first step toward building or upgrading your AR-10 rifle with confidence!