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AR-15 Uppers
Upgrade your rifle with an AR-15 upper receiver from our high quality selection. Whether you want to build your own gun or improve the one you have, we have great options for everyone. You can choose from complete or stripped upper receivers in different sizes and colors to fit your needs. Each one is made to be accurate, strong, and reliable. We sell trusted brands and offer easy installation, fast shipping, and good prices. Find the right AR15 upper receiver to improve your rifle build. Check out our selection today and make your shooting experience even better!
AR-15 Upper Receiver FAQ
What is an AR-15 Upper Receiver?
The upper receiver is a critical component of the AR-15 rifle platform. It houses the bolt carrier group, charging handle, and barrel, and serves as the attachment point for the handguard and sights or optics. This part works in conjunction with the lower receiver to form a complete rifle. Available in a variety of configurations, it allows shooters to customize their firearms for different calibers, barrel lengths, and shooting applications.
What Are the Main Types?
There are two primary types: stripped uppers and complete uppers.
- Stripped Upper Receivers: These are bare shells without any internal components. They are ideal for builders who want to customize every aspect of their assembly, from the bolt carrier group to the forward assist and dust cover.
- Complete Upper Receivers: These come fully assembled with the barrel, handguard, gas system, and often the bolt carrier group and charging handle. Complete options are perfect for those who want a ready-to-use solution that can be quickly attached to a compatible lower receiver.
What Materials Are Used?
Most AR 15 uppers are constructed from high-quality aluminum alloys, such as 7075-T6 or 6061-T6. These materials offer an excellent balance of strength, durability, and lightweight performance. Some manufacturers also offer billet or forged options:
- Forged Uppers: Made by hammering aluminum into shape, these are known for their strength and reliability.
- Billet Uppers: Machined from a solid block of aluminum, billet versions often feature unique designs and enhanced aesthetics.
What Features Should You Look For?
When selecting an upper, consider the following features to ensure it meets your needs:
- Forward Assist: Some include a forward assist, which helps ensure the bolt is fully closed.
- Dust Cover: Protects the internal components from dirt and debris.
- M4 Feed Ramps: Enhance feeding reliability, especially with high-capacity magazines.
- Picatinny Rail: Allows for easy mounting of optics, sights, and accessories.
- Caliber Compatibility: Ensure compatibility with your desired caliber, such as 5.56 NATO, .223 Remington, .300 Blackout, or others.
How Do You Choose the Right One for Your Needs?
Choosing the right AR-15 upper receiver depends on your intended use and personal preferences. Here are some factors to consider:
- Purpose: Are you building a rifle for home defense, hunting, competition, or recreational shooting? Each application may benefit from different barrel lengths, handguard styles, and gas systems.
- Barrel Length: Common lengths include 16", 18", and 20" for rifles, and shorter options for AR pistols or SBRs.
- Handguard Type: Free-floating handguards offer improved accuracy and more mounting options, while drop-in handguards are simpler and more affordable.
- Gas System Length: Carbine, mid-length, and rifle-length gas systems affect recoil and reliability.
What Are the Benefits of Upgrading?
Upgrading your upper can provide several advantages:
- Enhanced Accuracy: A quality assembly with a precision barrel and free-floating handguard can improve shot consistency.
- Customization: Choose the features, caliber, and accessories that best suit your shooting style.
- Versatility: Swapping uppers allows you to quickly change calibers or configurations without purchasing a new lower receiver.
- Improved Reliability: Modern materials and manufacturing techniques can increase the durability and dependability of your rifle.
How Do Uppers Affect Performance?
The upper plays a significant role in the overall performance of your AR-15. The quality of the barrel, gas system, and bolt carrier group all contribute to accuracy, reliability, and recoil management. A well-built assembly ensures smooth cycling, consistent ejection, and proper feeding, which are essential for both casual shooters and serious competitors.
What Accessories Can Be Added?
Uppers are highly modular, allowing for a wide range of accessories and upgrades:
- Optics and Sights: Red dot sights, scopes, and iron sights can be mounted on the Picatinny rail.
- Handguards: Choose from M-LOK, KeyMod, or quad rail handguards for attaching lights, grips, and other accessories.
- Muzzle Devices: Flash hiders, compensators, and suppressors can be added to the threaded barrel.
- Charging Handles: Ambidextrous and extended charging handles improve ergonomics and ease of use.
How Do You Maintain an Upper Receiver?
Regular maintenance is essential for optimal performance and longevity. Key steps include:
- Cleaning: Remove carbon buildup from the bolt carrier group, chamber, and barrel.
- Lubrication: Apply appropriate lubricants to moving parts to reduce friction and wear.
- Inspection: Check for signs of wear, cracks, or damage, especially after extended use.
Why Buy from Palmetto State Armory?
Palmetto State Armory offers a wide selection, from stripped to complete assemblies, in various calibers and configurations. Our products are made from high-quality materials and are rigorously tested for performance and reliability. Whether you’re building your first AR-15 or upgrading an existing rifle, you’ll find the perfect option to match your needs and budget at Palmetto State Armory.
Explore our full range and take your rifle to the next level with Palmetto State Armory’s trusted quality and unbeatable value.