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AR-15 Rifles & More

Shop AR-15 5.56 & .223 rifles, parts, uppers, & more at Palmetto State Armory. Find high-quality AR-15s, trusted brands, and expertly crafted components. Customize or build from scratch with our vast inventory of barrels, stocks, and triggers. Palmetto State Armory is your destination for the best AR-15 essentials at competitive prices.

Shop AR-15 rifles, parts, uppers, & more at Palmetto State Armory. Find high-quality guns such as AR-15 .223 rifles and AR pistols from trusted brands, and expertly crafted components. Customize or build from scratch with our vast inventory of barrels, stocks, and triggers. Palmetto State Armory is your destination for the best AR-15 essentials at competitive prices.

Rifles

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Uppers

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Lower Receivers

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AR-15 Parts

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Triggers

Triggers
.338 ARC

.338 ARC
Magazines

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Pistols

Pistols
Kits

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Suppressors

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Left Handed AR-15

Left Handed AR-15
Featured Products
  1. R&D Precision AR45 Bolt Carrier Group
    R&D Precision AR45 Bolt Carrier Group
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    Regular Price $149.99 Special Price $49.99
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  2. Daniel Defense 5.56mm 32rd Capacity Magazine, Black – 13-072-16539-006
    Daniel Defense 5.56mm 32rd Capacity Magazine, Black – 13-072-16539-006
    Rating:
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    (18)
    $23.00
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  3. PSA Complete Stealth Classic Lower, Wild Cat Gray
    PSA Complete Stealth Classic Lower, Wild Cat Gray
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    Regular Price $199.99 Special Price $99.99
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  1. PSA Custom 5.56 BCG DLC Coated- Coyote Brown

    PSA Custom 5.56 BCG DLC Coated- Coyote Brown

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  2. PSA Custom Cross-Cut Lightweight 12.5" MLOK Partial Picatinny Handguard

    PSA Custom Cross-Cut Lightweight 12.5" MLOK Partial Picatinny Handguard

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  3. PSA Custom Palmetto Banana AR 5.56x45mm 30 Round Magpul PMAG Magazine

    PSA Custom Palmetto Banana AR 5.56x45mm 30 Round Magpul PMAG Magazine

    Rating:
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  4. PSA 7.5" 5.56 NATO 1/7 Phosphate Suppressor Ready 10" M-Lok Upper w/BCG & CH

    PSA 7.5" 5.56 NATO 1/7 Phosphate Suppressor Ready 10" M-Lok Upper w/BCG & CH

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  5. Blem Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - No Logo

    Blem Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - No Logo

    Rating:
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  6. Blem PSA Freedom AR-15 Nitride Bolt Carrier Group With Carpenter 158 Bolt

    Blem PSA Freedom AR-15 Nitride Bolt Carrier Group With Carpenter 158 Bolt

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  7. BLEM PSA 5.56 Premium Full Auto Bolt Carrier Group with Logo

    BLEM PSA 5.56 Premium Full Auto Bolt Carrier Group with Logo

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  8. BLEM Toolcraft 5.56 Phosphate MPI Full-Auto Bolt Carrier Group - No Logo

    BLEM Toolcraft 5.56 Phosphate MPI Full-Auto Bolt Carrier Group - No Logo

    Rating:
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  9. KCI AR-15 .223/5.56 30 Round Magazine Polymer - KCI-MZ018-BP

    KCI AR-15 .223/5.56 30 Round Magazine Polymer - KCI-MZ018-BP

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  10. Blackhawk STRIKE Double M4/M16 Mag Pouch, Holds 4, Black - 37CL03BK

    Blackhawk STRIKE Double M4/M16 Mag Pouch, Holds 4, Black - 37CL03BK

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  11. Hexmag Series 2 AR-15 15 Round Magazine ODG - HX15/30-AR15S2-ODG

    Hexmag Series 2 AR-15 15 Round Magazine ODG - HX15/30-AR15S2-ODG

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  12. PSA 16" M4 5.56 NATO 1/7 Phosphate MOE Upper With BCG, CH, & Rear MBUS - Gray

    PSA 16" M4 5.56 NATO 1/7 Phosphate MOE Upper With BCG, CH, & Rear MBUS - Gray

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  13. PSA 16" M4 5.56 NATO 1/7 Phosphate MOE Upper With BCG, CH, & Rear MBUS - Black

    PSA 16" M4 5.56 NATO 1/7 Phosphate MOE Upper With BCG, CH, & Rear MBUS - Black

    Rating:
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  14. PSA 16" Mid-Length 5.56 NATO 1/7 Phosphate MOE EPT Rifle Kit With MBUS Rear, FDE

    PSA 16" Mid-Length 5.56 NATO 1/7 Phosphate MOE EPT Rifle Kit With MBUS Rear, FDE

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  15. PSA 7.5" 5.56 NATO 1/7 Phosphate 7" Lightweight M-Lok MOE EPT SBA3 Pistol Kit

    PSA 7.5" 5.56 NATO 1/7 Phosphate 7" Lightweight M-Lok MOE EPT SBA3 Pistol Kit

    Rating:
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  16. PSA 16" Mid-Length 5.56 NATO 1:7 Phosphate 13.5" Lightweight M-Lok Classic Rifle Kit

    PSA 16" Mid-Length 5.56 NATO 1:7 Phosphate 13.5" Lightweight M-Lok Classic Rifle Kit

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  17. PSA 16" Mid-Length 5.56 NATO 1:7 Phosphate 13.5" Lightweight M-Lok Classic Rifle Kit

    PSA 16" Mid-Length 5.56 NATO 1:7 Phosphate 13.5" Lightweight M-Lok Classic Rifle Kit

    Rating:
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  18. Magpul BTR AR-15 Pistol Stabilizing Brace, Black - MAG1079 BTR BLK

    Magpul BTR AR-15 Pistol Stabilizing Brace, Black - MAG1079 BTR BLK

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  19. MOE EPT BTR Pistol Lower Build Kit, Black

    MOE EPT BTR Pistol Lower Build Kit, Black

    Rating:
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  20. MOE EPT BSL Lower Build Kit, Black

    MOE EPT BSL Lower Build Kit, Black

    Rating:
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  21. JMac Customs MOD-2 4.5mm Stock Adapter - MOD-2-4.5

    JMac Customs MOD-2 4.5mm Stock Adapter - MOD-2-4.5

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  22. JMac Customs GFH 28 KeyMount & KeyMicro Muzzle Device w/ 1/2-28 Thread - GFH-28S-KM

    JMac Customs GFH 28 KeyMount & KeyMicro Muzzle Device w/ 1/2-28 Thread - GFH-28S-KM

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  23. PSA 11.5" Carbine-Length 5.56 1/7 Phosphate 10.5" Lightweight M-Lok Upper - With BCG & CH

    PSA 11.5" Carbine-Length 5.56 1/7 Phosphate 10.5" Lightweight M-Lok Upper - With BCG & CH

    Rating:
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  24. Odin Works 9" M-LOK to Arca Rail, Black - ACC-ML-ARCA-RAIL-9

    Odin Works 9" M-LOK to Arca Rail, Black - ACC-ML-ARCA-RAIL-9

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  1. Rifles 2036
  2. Pistols 858
  3. Uppers 1353
  4. Kits 757
  5. Lower Receivers 709
  6. Parts 9203
  7. Suppressors 147
  8. Left Handed AR-15 7
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Learn More about the AR-15

The History of the AR-15

Eugene Stoner first designed the AR-15, a civilian model of the military’s M16, in the late 1950s. Initially developed for ArmaLite, the rifle was sold to Colt, which marketed it under AR-15. Its design aimed to create a lightweight and reliable firearm using modern materials such as aluminum and polymer, which were revolutionary for that period.

The AR-15 was chambered in. 223 Remington/5.56 NATO, a smaller, lighter caliber than the classic. 30-caliber rounds used in older military rifles. Doing so freed soldiers to carry more ammo without adding to the total weight. The military version (M16) was widely adopted.

However, the semi-automatic version, the AR-15, became a fixture in the civilian market after its 1960s release. Over the decades, the rifle has been developed with new features, calibers, and configurations, and it has become one of the most iconic and controversial firearms in the U.S.

Practical Applications for the AR-15

The AR-15 is incredibly versatile, and it can fill many applications. When using the rifle for home defense, its low recoil and high-stability adjustable components make for quick, precise follow-up shots. Hunters also like the AR-15, especially in. 223 Remington,. 300 Blackout, and 6.5 Grendel for small to medium game.

In competitive shooting, the AR-15 is at the top of its game, dominating events like three-gun and service rifle matches with its precision, customization, and overall lightweight design. Many law enforcement agencies issue AR-15-style rifles to their patrol officers, acknowledging the platform’s capability in dynamic scenarios. The rifle’s versatility allows it to be customized to fit personal preferences.

Why the AR-15 Is So Popular

The AR-15’s popularity stems from performance, adaptability, and cultural significance. The platform’s modular design allows users to easily swap out components like barrels, triggers, and stocks, ensuring the rifle can evolve alongside the owner’s needs. This modularity has also spawned a massive aftermarket industry, with thousands of companies offering parts and accessories.

Culturally, the AR-15 has become an icon of American gun ownership. Its widespread availability and customizable nature resonate with enthusiasts who value personal freedom and the ability to build a firearm to their specifications. Additionally, the rifle’s widespread use in movies, television, and video games has cemented its status as one of the most recognizable firearms in the world.

Versatility

Few firearms can rival the AR-15’s versatility. It can be configured for virtually any purpose, from close-quarters home defense to long-range precision shooting. Chamberings range from the standard .223 Remington/5.56 NATO to larger calibers like .450 Bushmaster and even pistol cartridges like 9mm.

The ability to change calibers is a significant advantage. With a quick upper receiver swap, an AR-15 chambered in .223 Remington can become a .300 Blackout for suppressed shooting or a 6.5 Grendel for longer-range hunting. This flexibility saves money and storage space, as one lower receiver can be the foundation for multiple rifles.

The AR-15’s adaptability makes it a valuable tool for hunters. It can take down varmints, hogs, and deer with appropriate calibers and bullet types. For sport shooters, the platform’s consistency and modularity make it a top choice for competition and training.

Recoil

One of the AR-15’s defining traits is its low recoil, which makes it accessible to shooters of all skill levels. The combination of a direct impingement or piston-driven gas system, light-caliber ammunition, and a relatively heavy overall weight ensures smooth shooting with minimal muzzle rise.

This low recoil is particularly beneficial for home defense and tactical scenarios, where quick follow-up shots are crucial. It also makes the AR-15 an excellent platform for new shooters, who can develop their skills without being overwhelmed by heavy recoil. Even with calibers larger than .223 Remington, such as .308 Winchester or 6.5 Creedmoor, the AR-15’s design helps mitigate felt recoil.

Affordability vs. Other Firearms

Affordability plays a significant role in the AR-15’s widespread adoption. While high-end models can cost several thousand dollars, entry-level rifles are available for under $700. The rifle’s modular nature also allows owners to upgrade components over time, spreading the cost of customization.

Compared to other firearms, the AR-15 offers exceptional value. For instance, bolt-action rifles in similar calibers may be less expensive, but they lack the semi-automatic functionality and modularity of the AR-15. Similarly, while some handguns are more affordable, they don’t offer the same accuracy, range, or versatility.

The availability of parts and ammunition further enhances the AR-15’s affordability. Popular calibers like .223 Remington and 5.56 NATO are widely produced and competitively priced, making the rifle economical to shoot. The robust aftermarket for AR-15 components also ensures competitive pricing and easy access to replacement or upgraded parts.