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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
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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:
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    (18)
    $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. Brownells Flex Head 1/2" Square Drive Handle

    Brownells Flex Head 1/2" Square Drive Handle

    Regular Price $14.99 Special Price $12.79
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  2. VetPowered Cleaning Tool

    VetPowered Cleaning Tool

    Regular Price $37.99 Special Price $34.19
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  3. OBSIDIAN ARMS Armorer's Pivot Pin Detent Tool

    OBSIDIAN ARMS Armorer's Pivot Pin Detent Tool

    Regular Price $16.99 Special Price $14.99
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  4. OBSIDIAN ARMS Upper Receiver Vise Block, White

    OBSIDIAN ARMS Upper Receiver Vise Block, White

    Regular Price $48.99 Special Price $43.99
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  5. Swab-Its .22 Cal/.17 Cal Star Chamber Cleaning Swab

    Swab-Its .22 Cal/.17 Cal Star Chamber Cleaning Swab

    Regular Price $13.99 Special Price $12.09
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  6. Geissele 5.56x45mm/.223 Cal Super Reaction Rod

    Geissele 5.56x45mm/.223 Cal Super Reaction Rod

    Regular Price $197.99 Special Price $179.99
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  7. TEKMAT AR15 OD 36" x 12" x 0.13" Gun Cleaning Mat, OD Green

    TEKMAT AR15 OD 36" x 12" x 0.13" Gun Cleaning Mat, OD Green

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    Regular Price $16.99 Special Price $14.99
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  8. Magna-Matic Defense .223 Cal/5.56x45mm Carbon Removal Tool

    Magna-Matic Defense .223 Cal/5.56x45mm Carbon Removal Tool

    Regular Price $45.99 Special Price $40.99
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  9. Faxon Firearms 16" 338 ARC Gunner Pistol Length Barrel

    Faxon Firearms 16" 338 ARC Gunner Pistol Length Barrel

    Regular Price $255.99 Special Price $229.99
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  10. H&R 30 Round Magazine, Woodland Camo

    H&R 30 Round Magazine, Woodland Camo

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    $39.99
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  11. DPMS "Kitty Kat" 7.5" 300AAC 6.5" Quad-Rail Upper

    DPMS "Kitty Kat" 7.5" 300AAC 6.5" Quad-Rail Upper

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    $449.99
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  12. DPMS Quad-Rail 10.5" 5.56 1:7 Nitride Upper

    DPMS Quad-Rail 10.5" 5.56 1:7 Nitride Upper

    $409.99
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  13. DPMS Lower Parts Kit, No FCG, Grip, Stock

    DPMS Lower Parts Kit, No FCG, Grip, Stock

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    Regular Price $28.99 Special Price $25.99
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  14. DPMS AR-15 SBA3 Pistol Lower Build Kit MOE Grip & Polished Trigger

    DPMS AR-15 SBA3 Pistol Lower Build Kit MOE Grip & Polished Trigger

    $179.99
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  15. DPMS Quad-Rail 16" 5.56 1:7 Nitride Upper

    DPMS Quad-Rail 16" 5.56 1:7 Nitride Upper

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    Regular Price $449.99 Special Price $429.99
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  16. Sinclair International .257 Roberts +P/.338 Cal 40 deg Shoulder Bump Gauge Insert

    Sinclair International .257 Roberts +P/.338 Cal 40 deg Shoulder Bump Gauge Insert

    $9.99
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  17. Sinclair International .264 Win Mag/.225 Winchester 25 deg Shoulder Bump Gauge Insert

    Sinclair International .264 Win Mag/.225 Winchester 25 deg Shoulder Bump Gauge Insert

    Regular Price $12.99 Special Price $10.99
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  18. Sinclair International .20 Nosler 30 deg Shoulder Bump Gauge Insert

    Sinclair International .20 Nosler 30 deg Shoulder Bump Gauge Insert

    Regular Price $12.99 Special Price $10.99
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  19. Sinclair International .300 Remington Ultra Magnum 30 deg Shoulder Bump Gauge Insert

    Sinclair International .300 Remington Ultra Magnum 30 deg Shoulder Bump Gauge Insert

    Regular Price $12.99 Special Price $10.99
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  20. Sinclair International 6.8 SPC 23 deg Shoulder Bump Gauge Insert

    Sinclair International 6.8 SPC 23 deg Shoulder Bump Gauge Insert

    Regular Price $12.99 Special Price $10.99
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  21. Sinclair International .30 Cal 45 deg Shoulder Bump Gauge Insert

    Sinclair International .30 Cal 45 deg Shoulder Bump Gauge Insert

    Regular Price $12.99 Special Price $10.99
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  22. Sinclair International .338 Federal/.338 Lapua Magnum 20 deg Shoulder Bump Gauge Insert

    Sinclair International .338 Federal/.338 Lapua Magnum 20 deg Shoulder Bump Gauge Insert

    Regular Price $12.99 Special Price $10.99
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  23. Sinclair International .243 Winchester/.308 Win 20 deg Shoulder Bump Gauge Insert

    Sinclair International .243 Winchester/.308 Win 20 deg Shoulder Bump Gauge Insert

    Regular Price $12.99 Special Price $10.99
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  24. Sinclair International .25-06 Remington 17 deg Shoulder Bump Gauge Insert

    Sinclair International .25-06 Remington 17 deg Shoulder Bump Gauge Insert

    Regular Price $12.99 Special Price $10.99
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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.