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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

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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
    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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Items 5329-5352 of 16345

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  1. Ballistic Advantage Modern Series .223 Rem/5.56 14.5" Mid-Length Barrel, QPQ - BABL556010M

    Ballistic Advantage Modern Series .223 Rem/5.56 14.5" Mid-Length Barrel, QPQ - BABL556010M

    Regular Price $169.99 Special Price $152.99
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  2. Yankee Hill Machine .223 Rem/5.56 Flat Top Stripped Upper Receiver, Hardcoat Anodized Matte Black - 110

    Yankee Hill Machine .223 Rem/5.56 Flat Top Stripped Upper Receiver, Hardcoat Anodized Matte Black - 110

    Regular Price $119.99 Special Price $107.99
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  3. NcStar KeyMod 10" AR-15/M4 Free Float Handguard, Black - VMARFFKMC

    NcStar KeyMod 10" AR-15/M4 Free Float Handguard, Black - VMARFFKMC

    $87.99
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  4. Maxim Defense Industries JP Tungsten/Stainless Steel 9mm Weight Silent Captured Spring - MXM47572

    Maxim Defense Industries JP Tungsten/Stainless Steel 9mm Weight Silent Captured Spring - MXM47572

    $180.45
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  5. Maxim Defense Industries JP Tungsten/Stainless Steel Heavy Weight Silent Captured Spring - MXM47571

    Maxim Defense Industries JP Tungsten/Stainless Steel Heavy Weight Silent Captured Spring - MXM47571

    Regular Price $174.99 Special Price $156.99
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  6. Maxim Defense Industries JP Tungsten/Stainless Steel Standard Weight Silent Captured Spring - MXM47570

    Maxim Defense Industries JP Tungsten/Stainless Steel Standard Weight Silent Captured Spring - MXM47570

    Rating:
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    Regular Price $147.99 Special Price $132.99
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  7. Strike Industries 20-Piece Lower Receiver Gunsmith Spring Kit, Black - AR-LRSK-PRO

    Strike Industries 20-Piece Lower Receiver Gunsmith Spring Kit, Black - AR-LRSK-PRO

    Rating:
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    Regular Price $106.99 Special Price $95.99
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  8. UM Tactical TCS Compensator for .30 AR-15 Style Rifle, Black - RAGE

    UM Tactical TCS Compensator for .30 AR-15 Style Rifle, Black - RAGE

    Regular Price $160.00 Special Price $144.99
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  9. Spikes Tactical Flat Top Multi-Caliber Stripped Upper Receiver, Hardcoat Anodized Black - SFT50M4

    Spikes Tactical Flat Top Multi-Caliber Stripped Upper Receiver, Hardcoat Anodized Black - SFT50M4

    Regular Price $115.99 Special Price $103.99
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  10. LWRC International Ambidextrous Quick Detachable Sling Mount, Black - 200-0072A01

    LWRC International Ambidextrous Quick Detachable Sling Mount, Black - 200-0072A01

    Regular Price $79.99 Special Price $71.99
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  11. Toolcraft Non-Logo'd Left Handed 5.56 Nitride MPI Full-Auto Bolt Carrier Group - 5165491278

    Toolcraft Non-Logo'd Left Handed 5.56 Nitride MPI Full-Auto Bolt Carrier Group - 5165491278

    Rating:
    88%
    (18)
    Regular Price $199.99 Special Price $129.99
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  12. Stern Defense Nickel Boron 9mm Complete Bolt Carrier Group

    Stern Defense Nickel Boron 9mm Complete Bolt Carrier Group - SD BU9 NiB ECHO

    Rating:
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    Regular Price $189.99 Special Price $170.99
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  13. Stern Defense Melonite .40S&W Complete Bolt Carrier Group - SD BU40

    Stern Defense Melonite .40S&W Complete Bolt Carrier Group - SD BU40

    Rating:
    80%
    (1)
    $186.99
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  14. Stern Defense .45 ACP Complete Bolt Carrier Group, Melonite

    Stern Defense .45 ACP Complete Bolt Carrier Group, Melonite

    $150.65
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  15. Stern Defense 9mm Flash Can, Black - SD HBC9

    Stern Defense 9mm Flash Can, Black - SD HBC9

    $36.99
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  16. Stern Defense AR-15 Mag Well Adapter for M&P 9mm/40S&W, Black- MAG-ADMP9&40

    Stern Defense AR-15 Mag Well Adapter for M&P 9mm/40S&W, Black- MAG-ADMP9&40

    Rating:
    87%
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    Regular Price $208.99 Special Price $187.99
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  17. Stern Defense Hybrid 2 Stage Nickel Boron Drop In Trigger- H2S NIB

    Stern Defense Hybrid 2 Stage Nickel Boron Drop In Trigger- H2S NIB

    Rating:
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    $167.00
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  18. Stern Defense 9mm Complete Bolt Carrier Group, Mag-Phosphate Finish - SD BU9

    Stern Defense 9mm Complete Bolt Carrier Group, Mag-Phosphate Finish - SD BU9

    Rating:
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    Regular Price $148.99 Special Price $133.99
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  19. Bravo Company Mfg Mod 0 Stock Kit, Black - GFSKMOD0SPMD

    Bravo Company Mfg Mod 0 Stock Kit, Black - GFSKMOD0SPMD

    Regular Price $127.99 Special Price $115.99
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  20. Bravo Company Mfg Mid Length KeyMod Rail, Black - PKMR-MID-BLK

    Bravo Company Mfg Mid Length KeyMod Rail, Black - PKMR-MID-BLK

    Rating:
    80%
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    Regular Price $42.99 Special Price $37.99
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  21. CMMG .300 Blackout 8" Medium Taper Barrel Sub-Assembly, Salt Bath Nitride Black - 30D810A

    CMMG .300 Blackout 8" Medium Taper Barrel Sub-Assembly, Salt Bath Nitride Black - 30D810A

    Regular Price $167.99 Special Price $159.99
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  22. Bravo Company Mfg 4150 Steel Flash Hider Suppressor, 1/2-28 - A2X

    Bravo Company Mfg 4150 Steel Flash Hider Suppressor, 1/2-28 - A2X

    Rating:
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    $34.95
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  23. CMMG .300 Blackout 16.1" Medium Taper Barrel Sub-Assembly, Salt Bath Nitride Black - 30D120A

    CMMG .300 Blackout 16.1" Medium Taper Barrel Sub-Assembly, Salt Bath Nitride Black - 30D120A

    Regular Price $225.99 Special Price $202.99
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  24. Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4

    Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4

    Rating:
    100%
    (4)
    Regular Price $144.99 Special Price $129.99
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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.