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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

Magazines
Pistols

Pistols
Kits

Kits
Suppressors

Suppressors
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
    Rating:
    91%
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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:
    98%
    (18)
    $23.00
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  3. PSA Complete Stealth Classic Lower, Wild Cat Gray
    PSA Complete Stealth Classic Lower, Wild Cat Gray
    Rating:
    98%
    (87)
    Regular Price $199.99 Special Price $99.99
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  1. Surefire Flash Hinder/Supressor Adapter

    SureFire Flash Hider/Suppressor Adapter SF3P-556-1/2-28

    Regular Price $170.99 Special Price $153.99
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  2. SureFire Muzzle Brake Suppressor Adapter

    SureFire Muzzle Brake/Suppressor Adapter SFMB-556-1/2-28

    Rating:
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    Regular Price $169.99 Special Price $152.99
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  3. AR-15 lower build kit without fire control group

    Palmetto State Armory Classic Lower Build Kit - without Fire Control Group - 445

    Rating:
    95%
    (82)
    Regular Price $79.99 Special Price $69.99
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  4. Magpul Sling Mount AR-15 upgrade kit

    Magpul Sling Mount Kit - Type 1 MAG333

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    Regular Price $16.99 Special Price $14.99
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  5. CMMG Bravo .22 LR AR Conversion Kit - 22BA651

    CMMG Bravo .22 LR AR Conversion Kit - 22BA651

    Rating:
    92%
    (761)
    Regular Price $229.99 Special Price $169.99
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  6. AR-15 Upper Receiver Parts

    Yankee Hill Phantom AR-15 Compensator/Flash Hider 5.56 1/2x28

    Rating:
    96%
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    Regular Price $35.99 Special Price $31.99
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  7. ProMag 30 Round .223 Rem/5.56 AR-15 Detachable Magazine, Blue - COL-A1

    ProMag 30 Round .223 Rem/5.56 AR-15 Detachable Magazine, Blue - COL-A1

    Rating:
    77%
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    Regular Price $18.99 Special Price $16.59
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  8. C Products Defense 6.8 SPC 10rd AR Magazine

    C Products Defense 6.8 SPC /.224 Valkyrie 10rd Magazine

    Rating:
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    Regular Price $17.99 Special Price $15.99
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  9. ProMag Archangel Conversion Stock (Ruger 10/22) - Desert Tan AA556R-DT

    ProMag Archangel Conversion Stock (Ruger 10/22) - Desert Tan AA556R-DT

    Regular Price $154.99 Special Price $138.99
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  10. Magpul MOE Rifle Stock, OD Green- Mag404-ODG

    Magpul MOE Rifle Stock, OD Green- Mag404-ODG

    Rating:
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    $66.45
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  11. Geissele Super Dynamic 3 Gun (SD-3G) Trigger

    Geissele Super Dynamic 3 Gun (SD-3G) Trigger ‒ 05-166

    Rating:
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    $245.00
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  12. AR-15 Lower Parts Starter Kit in black

    Palmetto State Armory Lower Parts starter Kit-Black

    Rating:
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    $59.99
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  13. C Products Defense 5.56mm 30rd Aluminum Magazine

    C Products Defense 5.56mm 30rd Aluminum Magazine

    Rating:
    85%
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    Regular Price $15.99 Special Price $13.99
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  14. Magpul MOE Rifle Stock, Black- Mag404-BLK

    Magpul MOE Rifle Stock, Black- Mag404-BLK

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    Regular Price $74.99 Special Price $66.99
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  15. BLACKHAWK! Tactical Pistol Lanyard - Coiled, Single Swivel 90PTL2BK

    BLACKHAWK! Tactical Pistol Lanyard - Coiled, Single Swivel 90PTL2BK

    Regular Price $36.99 Special Price $32.99
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  16. ar-15 lower receiver parts kit

    CMMG .308 AR Lower Parts Kit

    Rating:
    86%
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    Regular Price $86.99 Special Price $77.99
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  17. OD Green AR-15 lower build kit

    Palmetto State Armory Magpul ACS-L Lower Build Kit - OD Green

    Rating:
    98%
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    Regular Price $249.99 Special Price $169.99
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  18. AR-15 Upper Receiver Parts

    Yankee Hill Machine Rifle Length Diamond Forearm YHM-9635-DX

    Regular Price $193.99 Special Price $173.99
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  19. Classic Stock Kit BLK

    PSA Classic Premium M4 Stock Kit Black

    Rating:
    97%
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    Regular Price $54.95 Special Price $39.99
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  20. AR-15 Upper Build Kit

    PSA AR15 Upper Build Kit - 28084

    Rating:
    94%
    (41)
    Regular Price $39.99 Special Price $29.99
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  21. 6.5 Grendel 26 Round Stainless Steel Magazine

    C Products Defense 6.5 Grendel 26rd SS Magazine

    Rating:
    75%
    (22)
    Regular Price $26.99 Special Price $23.99
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  22. C Products Defense 6.8 SPC 25 Round Stainless Steel AR Magazine

    C Products Defense 6.8 SPC 28rd Stainless Steel Magazine

    Rating:
    90%
    (4)
    Regular Price $24.99 Special Price $22.29
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  23. PSA AR-15 Crush Washer 5/8"

    PSA AR15 Crush Washer 5/8" - 6.8/300/308

    Rating:
    100%
    (7)
    $2.25
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  24. AR-15 Upper Parts

    Yankee Hill Machine AR-15 Gas Block .750 Low Profile - YHM-9384

    Rating:
    100%
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    Regular Price $26.99 Special Price $23.99
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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.