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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.

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AR-15 Parts

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.338 ARC

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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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    (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. Luth-AR A1 .223 Rem/5.56 Striped Upper Receiver w/ M4 Feed Pump, Hardcoat Anodized Black - UR-01-E3-M4

    Luth-AR A1 .223 Rem/5.56 Striped Upper Receiver w/ M4 Feed Pump, Hardcoat Anodized Black - UR-01-E3-M4

    Regular Price $156.99 Special Price $140.99
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  2. Luth-AR MBA-1 Stock w/ 3-Axis Butt Plate Fits Standard A2 Rifle Length Buffer Tube, Black - MBA-1-3AX

    Luth-AR MBA-1 Stock w/ 3-Axis Butt Plate Fits Standard A2 Rifle Length Buffer Tube, Black - MBA-1-3AX

    Regular Price $167.99 Special Price $150.99
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  3. Luth-AR 308 Lower Parts Kit Fits AR-10 - LRPK-BLDR-308

    Luth-AR 308 Lower Parts Kit Fits AR-10 - LRPK-BLDR-308

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    Regular Price $47.99 Special Price $42.99
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  4. Luth-AR 9" Palm Handguard w/ MLOK & Free Float, Black Aluminum - HG-V-9M

    Luth-AR 9" Palm Handguard w/ MLOK & Free Float, Black Aluminum - HG-V-9M

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    Regular Price $94.99 Special Price $84.99
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  5. Luth-AR 308 Lower Parts Kit Fits AR-10 - LRPK-308

    Luth-AR 308 Lower Parts Kit Fits AR-10 - LRPK-308

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    Regular Price $101.99 Special Price $74.99
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  6. Luth-AR 7" Palm Handguard w/ MLOK & Free Float, Black Aluminum - HG-V-7M

    Luth-AR 7" Palm Handguard w/ MLOK & Free Float, Black Aluminum - HG-V-7M

    Regular Price $84.99 Special Price $75.99
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  7. Luth-AR 24" Bull Barrel Complete Upper Assembly For 223 Rem/556NATO Keymod, Black - FTBL-B24

    Luth-AR 24" Bull Barrel Complete Upper Assembly For 223 Rem/556NATO Keymod, Black - FTBL-B24

    Rating:
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    Regular Price $538.99 Special Price $484.99
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  8. Luth-AR A1 Handguard w/ Lined With Aluminum Heat Shields - HG-A1

    Luth-AR A1 Handguard w/ Lined With Aluminum Heat Shields - HG-A1

    Rating:
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    Regular Price $57.99 Special Price $50.99
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  9. Luth-AR Extractor O'Ring Fits AR-15,10/Pack - BT-08-OR-10

    Luth-AR Extractor O'Ring Fits AR-15,10/Pack - BT-08-OR-10

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    $10.33
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  10. Luth-AR Helical 1 Piece Gas Ring Fits .223 & 5.56 - BT-01H

    Luth-AR Helical 1 Piece Gas Ring Fits .223 & 5.56 - BT-01H

    Regular Price $4.99 Special Price $3.99
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  11. Luth-AR 9MM Carbine Buffer Assembly, Mil-Spec - 9MM-M-BAP

    Luth-AR 9MM Carbine Buffer Assembly, Mil-Spec - 9MM-M-BAP

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    Regular Price $57.99 Special Price $51.99
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  12. Luth-AR 16" Lightweight Barrel Complete Upper Receiver For 223 Rem/556NATO, Black - BAA3-L16

    Luth-AR 16" Lightweight Barrel Complete Upper Receiver For 223 Rem/556NATO, Black - BAA3-L16

    Regular Price $459.99 Special Price $413.99
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  13. Luth-AR .308 Ejection Port Assembly - 308-UR-05A

    Luth-AR .308 Ejection Port Assembly - 308-UR-05A

    Regular Price $9.99 Special Price $8.99
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  14. Luth-AR Helical 1 Piece Gas Ring Fits .308 - 308-BT-01H

    Luth-AR Helical 1 Piece Gas Ring Fits .308 - 308-BT-01H

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    Regular Price $6.99 Special Price $4.99
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  15. LBE Unlimited AR-15 Pistol Buffer Tube Kit, Black - PBUFKT-BLK

    LBE Unlimited AR-15 Pistol Buffer Tube Kit, Black - PBUFKT-BLK

    Regular Price $51.99 Special Price $46.39
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  16. LBE Unlimited AR-15 Pistol Buffer Tube, Black - PBT-BLK

    LBE Unlimited AR-15 Pistol Buffer Tube, Black - PBT-BLK

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    Regular Price $25.99 Special Price $22.99
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  17. LBE Unlimited AR-15 Mil-Spec Buffer Tube Kit, Red - MILBUFKT-RED

    LBE Unlimited AR-15 Mil-Spec Buffer Tube Kit, Red - MILBUFKT-RED

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    Regular Price $50.99 Special Price $45.99
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  18. LBE Unlimited AR-15 Milspec Buffer Tube Kit, Colt Gray - MILBUFKT-CG

    LBE Unlimited AR-15 Milspec Buffer Tube Kit, Colt Gray - MILBUFKT-CG

    Regular Price $51.99 Special Price $46.99
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  19. LBE Unlimited Mil-Spec AR-15 Buffer Tube, Black - MBUF002

    LBE Unlimited Mil-Spec AR-15 Buffer Tube, Black - MBUF002

    Regular Price $23.99 Special Price $21.29
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  20. LBE Unlimited Mil-Spec AR-15 Buffer Tube Kit, Black - MILBUFKT

    LBE Unlimited Mil-Spec AR-15 Buffer Tube Kit, Black - MILBUFKT

    Rating:
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    Regular Price $52.99 Special Price $46.89
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  21. LBE Unlimited AR-15 Milspec Buffer Tube, Brown - MBUF002-WB

    LBE Unlimited AR-15 Milspec Buffer Tube, Brown - MBUF002-WB

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    Regular Price $24.99 Special Price $21.99
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  22. LBE Unlimited AR-15 Milspec Buffer Tube, Red - MBUF002-RED

    LBE Unlimited AR-15 Milspec Buffer Tube, Red - MBUF002-RED

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    Regular Price $23.99 Special Price $21.29
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  23. LBE Unlimited AR-15 Milspec Buffer Tube, Colt Gray - MBUF002-CG

    LBE Unlimited AR-15 Milspec Buffer Tube, Colt Gray - MBUF002-CG

    Rating:
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    Regular Price $25.99 Special Price $22.99
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  24. LBE Unlimited AR-15 Upper Receiver Assembly, Black - ARUPPER

    LBE Unlimited AR-15 Upper Receiver Assembly, Black - ARUPPER

    Regular Price $132.99 Special Price $118.99
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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.