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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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AR-15 Parts

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Triggers

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.338 ARC

.338 ARC
Magazines

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Pistols

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Kits

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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
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    $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. Radical SOCOM 16" 5.56 Nato 30rd Rifle, Black / Gray - RF01673

    Radical SOCOM 16" 5.56 Nato 30rd Rifle, Black / Gray - RF01673

    Rating:
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    Regular Price $455.99 Special Price $413.99
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  2. Diamondback DB-15 5.56 NATO 7" MLOK SBA3 Pistol - DB1913K001

    Diamondback DB-15 5.56 NATO 7" MLOK SBA3 Pistol - DB1913K001

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    Regular Price $813.99 Special Price $649.99
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  3. Sig Sauer M400 5.56 NATO Semi-Auto 16" 30rd Rifle, FDE - RM400-SDI-16B-FDE

    Sig Sauer M400 5.56 NATO Semi-Auto 16" 30rd Rifle, FDE - RM400-SDI-16B-FDE

    Regular Price $1,749.99 Special Price $1,599.99
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  4. PSA 8.5" 300 Blackout Phos 7" Lightweight Hex M-Lok Classic HAR-15 Pistol, FDE

    PSA 8.5" 300 Blackout Phos 7" Lightweight Hex M-Lok Classic Stealth HAR-15 Pistol, FDE

    Rating:
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    Regular Price $899.99 Special Price $399.99
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  5. PSA Custom 16" Mid 5.56 NATO 1/7 13.5" Mlok MOE Rifle W/ PSA Custom 3.5lb Flatbow FCG - Flecktarn

    PSA Custom 16" Mid 5.56 NATO 1/7 13.5" Mlok MOE Rifle W/ PSA Custom 3.5lb Flatbow FCG - Flecktarn

    $1,199.99
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  6. DPMS "Kitty Kat" 7.5" 5.56 C7 FSB CAR Brace Pistol, Black

    DPMS "Kitty Kat" 7.5" 5.56 C7 FSB CAR Brace Pistol, Black

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    $799.99
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  7. ATI AR-15 Alpha Max 10.5" 5.56mm NATO 30rd Pistol - GAX55610ML105

    ATI AR-15 Alpha Max 10.5" 5.56mm NATO 30rd Pistol - GAX55610ML105

    Regular Price $420.99 Special Price $378.99
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  8. Sig Sauer MCX Spear LT Semi-Auto 16" 5.56 30rd Rifle, Black - RMCX-556N-16B-LT-B

    Sig Sauer MCX Spear LT Semi-Auto 16" 5.56 30rd Rifle, Black - RMCX-556N-16B-LT-B

    Regular Price $2,699.99 Special Price $2,599.99
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  9. H&R Retro DOE 7.5" 9mm Complete Pistol, Black

    H&R Retro DOE 7.5" 9mm Complete Pistol, Black

    Rating:
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    $1,199.99
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  10. PSA AR15 Complete MOE SL EPT Lower, FDE

    PSA AR15 Complete MOE SL EPT Lower, FDE

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    Regular Price $199.99 Special Price $159.99
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  11. PSA AR15 Complete MOE SL EPT Lower, Black

    PSA AR15 Complete MOE SL EPT Lower, Black

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    Regular Price $199.99 Special Price $169.99
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  12. PSA 16" Nitride M4 Carbine 5.56 B5 Systems Rifle, ODG

    PSA 16" Nitride M4 Carbine 5.56 B5 Systems Rifle, ODG

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    Regular Price $699.99 Special Price $459.99
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  13. PSA 16" Nitride M4 Carbine 5.56 B5 Systems Rifle, Black

    PSA 16" Nitride M4 Carbine 5.56 B5 Systems Rifle, Black

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    Regular Price $699.99 Special Price $499.99
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  14. Sig Sauer M400 SDI 5.56 NATO 11.5" 30rd Pistol, Black - PM400-SDI-11B-BLK

    Sig Sauer M400 SDI 5.56 NATO 11.5" 30rd Pistol, Black - PM400-SDI-11B-BLK

    Regular Price $1,599.99 Special Price $1,499.99
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  15. Sig Sauer M400 Tread V2 Pistol 5.56 NATO 11.5" 30rd Pistol, Black - PM400-11B-TRD-V2

    Sig Sauer M400 Tread V2 Pistol 5.56 NATO 11.5" 30rd Pistol, Black - PM400-11B-TRD-V2

    Regular Price $1,111.99 Special Price $1,000.99
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  16. FN 15 Stripped Lower Receiver - 20-100466

    FN 15 Stripped Lower Receiver - 20-100466

    Rating:
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    Regular Price $179.99 Special Price $129.99
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  17. HK MR556 A4 11" 5.56 NATO, Pistol, Black - 81001050

    HK MR556 A4 11" 5.56 NATO, Pistol, Black - 81001050

    Regular Price $3,794.99 Special Price $3,449.99
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  18. Shark Coast Tactical Sunrise 5.56x45mm 16", Flat Dark Earth

    Shark Coast Tactical Sunrise 5.56x45mm 16", Flat Dark Earth

    Regular Price $1,065.99 Special Price $968.99
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  19. Shark Coast Tactical 5.56x45mm 16", Midnight Black

    Shark Coast Tactical 5.56x45mm 16", Midnight Black

    Regular Price $1,065.99 Special Price $968.99
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  20. Shark Coast Tactical Midnight 5.56x45mm 16", Chocolate Chip Camouflage

    Shark Coast Tactical Midnight 5.56x45mm 16", Chocolate Chip Camouflage

    Regular Price $1,002.99 Special Price $910.99
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  21. Shark Coast Tactical Retro Miami 5.56x45mm 16", Black

    Shark Coast Tactical Retro Miami 5.56x45mm 16", Black

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    Regular Price $972.99 Special Price $883.99
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  22. Black Rain Ordnance Spec15 5.56 NATO 10.50", Black

    Black Rain Ordnance Spec15 5.56 NATO 10.50", Black

    Regular Price $1,258.99 Special Price $1,133.99
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  23. Great Lakes .223 Wylde 16", Wild Orchid

    Great Lakes .223 Wylde 16", Wild Orchid

    Regular Price $711.99 Special Price $640.99
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  24. Great Lakes Saved by The Splatter .223 Wylde 16", Black

    Great Lakes Saved by The Splatter .223 Wylde 16", Black

    Regular Price $840.99 Special Price $756.99
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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.