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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 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

Magazines
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 WEBGBDIST DDM4 V7 16" 5.56 NATO Rifle, Multi-Cam OD Green/Black
    Daniel Defense WEBGBDIST DDM4 V7 16" 5.56 NATO Rifle, Multi-Cam OD Green/Black
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    Regular Price $2,499.99 Special Price $1,699.99
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  3. SABRE-15 March Builders Kit W/ Lower Parts Kit, Multi Cam Woodlands
    SABRE-15 April Builders Kit W/ Lower Parts Kit, Multi Cam Woodlands
    $449.99
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  1. FN 15 Guardian 5.56 NATO 16" 30rd Rifle, Black - 36100740

    FN 15 Guardian 5.56 NATO 16" 30rd Rifle, Black - 36100740

    Rating:
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    Regular Price $937.99 Special Price $851.99
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  2. Smith & Wesson M&P FPC 9mm Semi-Auto Rifle 16.25", Black - 12575

    Smith & Wesson M&P FPC 9mm Semi-Auto Rifle 16.25", Black - 12575

    Rating:
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    Regular Price $718.99 Special Price $646.99
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  3. Rise Armament Watchman .223 Wylde AR Pistol 11.5", Black

    Rise Armament Watchman .223 Wylde AR Pistol 11.5", Black - WM223-BLK-115P

    $1,449.99
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  4. Rise Armament Watchman Rifle, .223 Wylde - 16" - Black

    Rise Armament Watchman Rifle, .223 Wylde - 16" - Black

    $1,349.99 $1,349.99
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  5. Savage 64 Precision 16.5" 20rd .22LR Rifle, FDE - 45125

    Savage 64 Precision 16.5" 20rd .22LR Rifle, FDE - 45125

    Regular Price $319.99 Special Price $281.99
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  6. Savage 64 Precision 16.5" 20rd .22LR Rifle, Black - 45120

    Savage 64 Precision 16.5" 20rd .22LR Rifle, Black - 45120

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    Regular Price $315.99 Special Price $283.99
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  7. PSA Gen2 KS47 Complete MOE EPT SBA3 Lower Receiver

    PSA Gen2 KS47 Complete MOE EPT SBA3 Lower Receiver

    Rating:
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    Regular Price $509.99 Special Price $269.99
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  8. PSA Gen2 KS47 Complete MOE EPT Lower Receiver Black

    PSA Gen2 KS47 Complete MOE EPT Lower Receiver Black

    Rating:
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    Regular Price $439.99 Special Price $229.99
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  9. BLEM PSA PA-15 5.56 AR-15 Rifle 16" Nitride M4 CRBN 13.5" M-LOK

    BLEM PSA PA-15 5.56 AR-15 Rifle 16" Nitride M4 CRBN 13.5" M-LOK

    Rating:
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    Regular Price $819.99 Special Price $479.99
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  10. complete lightweight ar rifle

    PSA 16" M4 Carbine-Length 5.56 NATO 1/7 Nitride Lightweight M-Lok Classic Rifle - 5165450254

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    Regular Price $799.99 Special Price $499.99
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  11. MOE STR complete AR 15 lower receiver

    PSA AR-15 MOE STR Lower Receiver with Two-Stage Nickel Boron Trigger, Black - No Magazine

    Rating:
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    Regular Price $459.99 Special Price $239.99
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  12. PA-15 16” Nitride M4 Carbine 5.56 NATO Classic AR-15 Rifle with 13.5” M-LOK Rail, Black

    PSA PA-15 16" Nitride M4 Carbine 5.56 NATO Classic AR-15 13.5" M-Lok Railed Rifle

    Rating:
    97%
    (185)
    Regular Price $959.99 Special Price $519.99
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  13. PSA PA-15 16” Nitride M4 Carbine 5.56 NATO Classic AR-15 Rifle, Black

    PSA PA-15 Classic AR-15 Rifle 5.56 16" Nitride M4 Carbine, Black

    Rating:
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    Regular Price $849.99 Special Price $499.99
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  14. PSAK-47 GF3 Classic Polymer Rifle - AK Serial Set & PSA Stripped AR15 Lower w/ARSET

    PSAK-47 GF3 Classic Polymer Rifle - AK Serial Set & PSA Stripped AR15 Lower w/ARSET

    SAVE $99.99 When you add both!
    Regular Price $869.98 Special Price $769.99
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  15. 3 Pack Of PSA AR-15 "Stealth" Stripped Lowers

    3 Pack Of PSA AR-15 "Stealth" Stripped Lowers

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    Regular Price $149.97 Special Price $119.97
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  16. 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 $49.99 When you add both!
    Regular Price $779.98 Special Price $729.99
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  17. PSA 5.56 M4 Classic AR-15 & PSA AK-47 GF3 Classic Polymer Rifle With Matching Serial Numbers

    PSA 5.56 M4 Classic AR-15 & PSA AK-47 GF3 Classic Polymer Rifle With Matching Serial Numbers

    SAVE $19.98 When you add both!
    Regular Price $1,449.98 Special Price $1,430.00
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  18. PSA 16"Nitride M4 5.56 MOE Rifle w/ MBUS Rear, ODG & PSA Dagger Compact 9mm SW1 RMR Pistol, 2-Tone Sniper Green

    PSA 16"Nitride M4 5.56 MOE Rifle w/ MBUS Rear, ODG & PSA Dagger Compact 9mm SW1 RMR Pistol, 2-Tone Sniper Green

    SAVE $69.99 When you add both!
    Regular Price $869.98 Special Price $799.99
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  19. Toolcraft Logo'd Carpenter 158 Nitride Full-Auto BCG & PSA AR-15 Charging Handle 7075 T6 Forged Mil-Spec

    Toolcraft Logo'd Carpenter 158 Nitride Full-Auto BCG & PSA AR-15 Charging Handle 7075 T6 Forged Mil-Spec

    SAVE $34.99 When you add both!
    Regular Price $124.98 Special Price $89.99
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  20. PSA AR-15 "Stealth" Stripped Lower Receiver & PSA Dagger Compact Complete Polymer Frame

    PSA AR-15 "Stealth" Stripped Lower Receiver & PSA Dagger Compact Complete Polymer Frame

    SAVE $10.00 When you add both!
    Regular Price $109.98 Special Price $99.98
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  21. PSA 20" Rifle-Length .224 Valkyrie 1/6.5" Stainless Steel Upper w/ BCG & Vortex Scope & PSA AR-15 Complete MOE EPT Stealth Lower

    PSA 20" Rifle-Length .224 Valkyrie 1/6.5" Stainless Steel Upper w/ BCG & Vortex Scope & PSA AR-15 Complete MOE EPT Stealth Lower

    $799.98
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  22. PSA 2 Stage Nickel Boron Trigger Assembly & PSA Premium 5.56 Nickel Boron BCG w/ Carpenter 158 Bolt- No Logo

    PSA 2 Stage Nickel Boron Trigger Assembly & PSA Premium 5.56 Nickel Boron BCG w/ Carpenter 158 Bolt- No Logo

    SAVE $39.99 When you add both!
    Regular Price $189.98 Special Price $149.99
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  23. PSA Dagger Compact Complete Polymer Frame & PSA AR-15 Lower Safe/Fire

    PSA Dagger Compact Complete Polymer Frame & PSA AR-15 Lower Safe/Fire

    SAVE $10.00 When you add both!
    Regular Price $109.98 Special Price $99.98
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  24. PSA PA-10 .308 Nitride Bolt Carrier Group & PSA Premium Ambidextrous PA-10 Charging Handle

    PSA PA-10 .308 Nitride Bolt Carrier Group & PSA Premium Ambidextrous PA-10 Charging Handle

    $189.98
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  1. Rifles 1998
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  5. Lower Receivers 713
  6. Parts 9224
  7. Suppressors 115
  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.