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AR-15 Rifles & More

Shop AR-15 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 AR-15 essentials at competitive prices.

Palmetto State Armory is your one-stop shop for all your AR-15 rifle needs. Shop complete AR-15 rifles and AR-15 pistols, upper receivers, lower receivers, build kits, AR-15 parts, etc. Also, shop our selection of 5.56 ammo by some of the industry's best brands. 

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

Magazines
Pistols

Pistols
Kits

Kits
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
    Regular Price $149.99 Special Price $49.99
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  2. Lead Star Arms Grunt AR-15 Build Kit w/ 15" Handguard, Concrete Grey
    Lead Star Arms Grunt AR-15 Build Kit w/ 15" Handguard, Concrete Grey
    $299.99
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  1. Vortex Strikefire II 4MOA Red/Green Dot & 10 Magpul Gen2 PMAG 30rd 5.56x45 Magazines

    Vortex Strikefire II 4MOA Red/Green Dot & 10 Magpul Gen2 PMAG 30rd 5.56x45 Magazines

    SAVE $23.09 When you add both!
    Regular Price $222.99 Special Price $199.90
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  2. PSA 36" Single Gun Case & 7 Magpul PMAG Gen 2 5.56x45 30rd Magazines

    PSA 36" Single Gun Case & 7 Magpul PMAG Gen 2 5.56x45 30rd Magazines

    SAVE $36.10 When you add both!
    Regular Price $136.09 Special Price $99.99
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  3. PSA Magpul MOE Lower Build Kit & 10 Magpul PMAG Gen 2 MOE 5.56x45 30rd Magazines

    PSA Magpul MOE Lower Build Kit & 10 Magpul PMAG Gen 2 MOE 5.56x45 30rd Magazines

    SAVE $62.99 When you add both!
    Regular Price $222.99 Special Price $160.00
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  4. PSA 36" Rifle Bag, FDE & 7 Magpul PMAG 30rd GEN 2 5.56x45 Magazines

    PSA 36" Rifle Bag, FDE & 7 Magpul PMAG 30rd GEN 2 5.56x45 Magazines

    SAVE $36.10 When you add both!
    Regular Price $136.09 Special Price $99.99
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  5. PSA 36" Rifle Bag, ODG & 7 Magpul PMAG 30rd GEN 2 5.56x45 Magazines

    PSA 36" Rifle Bag, ODG & 7 Magpul PMAG 30rd GEN 2 5.56x45 Magazines

    SAVE $36.10 When you add both!
    Regular Price $136.09 Special Price $99.99
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  6. PSA 16" M4 5.56 MOE EPT Rifle With Rear MBUS & PSA Complete 5.56 Railed Upper Bundle

    PSA 16" M4 5.56 MOE EPT Rifle With Rear MBUS & PSA Complete 5.56 Railed Upper Bundle

    SAVE $19.99 When you add both!
    Regular Price $749.98 Special Price $729.99
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  7. PSA 16" Nitride 5.56 NATO MOE Rifle & PSA Dagger Compact 9mm Pistol w/ SWR RMR Slide & Rear Sight Rear

    PSA 16" Nitride 5.56 NATO MOE Rifle & PSA Dagger Compact 9mm Pistol w/ SWR RMR Slide & Rear Sight Rear

    SAVE $119.99 When you add both!
    Regular Price $909.98 Special Price $789.99
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  8. PSA AR-15 Pistol And Dagger Compact Freedom Bundle

    PSA AR-15 Pistol And Dagger Compact Freedom Bundle

    SAVE $162.99 When you add all 4!
    Regular Price $1,062.98 Special Price $899.99
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  9. PSA MOE Lower Build Kit & Vortex Strike Fire II Red Dot Sight

    PSA MOE Lower Build Kit & Vortex Strike Fire II Red Dot Sight

    $199.98
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  10. Savage MSR15 Recon LRP 224 Valkyrie Rifle - 22931

    Savage MSR15 Recon LRP 224 Valkyrie Rifle - 22931

    Regular Price $1,207.97 Special Price $899.00
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  11. 18" Railed AR kit with MBUS

    PSA 18" Rifle-Length .223 Wylde 1/7 Stainless Steel 15" Lightweight M-lok MOE EPT Rifle Kit w/MBUS Sight Set - 5165450249

    Rating:
    97%
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    Regular Price $829.99 Special Price $499.99
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  12. PSA AR-15 10.5" Carbine 5.56 1/7 Nitride Classic Pistol W/HAR-15 Pistol Brace, FDE

    PSA AR-15 10.5" Carbine 5.56 1/7 Nitride Classic Pistol W/HAR-15 Pistol Brace, FDE

    Rating:
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    Regular Price $759.99 Special Price $449.99
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  13. PSA Classic AR-15 Complete Stealth Pistol Lower W/HAR-15 Brace

    PSA Classic AR-15 Complete Stealth Pistol Lower W/HAR-15 Brace

    Rating:
    96%
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    Regular Price $199.99 Special Price $129.99
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  14. PSA PA-15 5.56 Classic Stealth AR-15 Pistol 11.5" Carbine 1/7 Phos. BTR

    PSA PA-15 5.56 Classic Stealth AR-15 Pistol 11.5" Carbine 1/7 Phos. BTR

    Rating:
    98%
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    Regular Price $799.99 Special Price $529.99
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  15. PSA Stealth AR-15 Complete Lower Magpul MOE Edition No Mag - 5165500387

    PSA Stealth AR-15 Complete Lower Magpul MOE Edition No Mag - 5165500387

    Rating:
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    Regular Price $399.99 Special Price $149.99
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  16. psa 16" m4 5.56 nato 1/7 nitride moe ept freedom rifle with rear bus

    PSA PA-15 16" Nitride M4 Carbine 5.56 NATO MOE EPT AR-15 Rifle, Black

    Rating:
    97%
    (324)
    Regular Price $949.99 Special Price $469.99
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  17. 100rds Of PMC Bronze .223 Remington 55gr FMJ-BT & 5 Magpul PMAG Gen2 30rd Magazines

    100rds Of PMC Bronze .223 Remington 55gr FMJ-BT & 5 Magpul PMAG Gen2 30rd Magazines

    SAVE $16.50 When you add both!
    Regular Price $106.45 Special Price $89.95
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  18. Toolcraft 5.56 Phosphate MPI Full-Auto BCG - No Logo & PSA AR15/PA10 EPT - Enhanced Polished FCG

    Toolcraft 5.56 Phosphate MPI Full-Auto BCG - No Logo & PSA AR15/PA10 EPT - Enhanced Polished FCG

    SAVE $12.99 When you add both!
    Regular Price $132.98 Special Price $119.99
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  19. PSA Premium 5.56 Nickel Boron BCG & 10 Magpul PMAG Gen 2 MOE 5.56x45 30rd Magazines

    PSA Premium 5.56 Nickel Boron BCG & 10 Magpul PMAG Gen 2 MOE 5.56x45 30rd Magazines

    $222.99
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  20. PSA MOE Stealth AR-15 Complete Rifle Lower W/ Classic Grip and Trigger Guard, Gray

    PSA MOE Stealth AR-15 Complete Rifle Lower W/ Classic Grip and Trigger Guard, Gray

    Rating:
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    (12)
    Regular Price $199.99 Special Price $99.99
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  21. PSA 16" M4 Carbine-Length 5.56 NATO 1/7 Nitride MOE SL EPT Rifle , Black

    PSA 16" M4 Carbine-Length 5.56 NATO 1/7 Nitride MOE SL EPT Rifle , Black

    Rating:
    97%
    (13)
    Regular Price $699.99 Special Price $479.99
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  22. PSA 16" M4 Carbine-Length 5.56 NATO 1/7 Nitride MOE SL EPT Rifle, FDE

    PSA 16" M4 Carbine-Length 5.56 NATO 1/7 Nitride MOE SL EPT Rifle, FDE

    Rating:
    96%
    (20)
    Regular Price $699.99 Special Price $449.99
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  23. PSA AR-15 Complete Lower Magpul STR, ODG

    PSA AR-15 Complete Lower Magpul STR, ODG

    Rating:
    98%
    (10)
    Regular Price $279.99 Special Price $129.99
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  24. Blem PSA GEN3 PA10 .308 Complete Classic EPT Lower Receiver

    Blem PSA GEN3 PA10 .308 Complete Classic EPT Lower Receiver

    Rating:
    100%
    (14)
    Regular Price $299.99 Special Price $159.99
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Looking for something more specific?

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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.