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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. Rise Armament Lower Parts Kit, Black - 12003

    Rise Armament Lower Parts Kit, Black - 12003

    Rating:
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    $44.99
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  2. Rise Armament Rave 140 Single-Stage Flat Drop-In Trigger, Black -T017F-BLK

    Rise Armament Rave 140 Single-Stage Flat Drop-In Trigger, Black -T017F-BLK

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    Regular Price $169.99 Special Price $89.99
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  3. GrovTec 6061 Aluminum KeyMod Flanged Stud Mount, Hard Anodized Black - GTSW111

    GrovTec 6061 Aluminum KeyMod Flanged Stud Mount, Hard Anodized Black - GTSW111

    Regular Price $26.99 Special Price $23.99
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  4. C Products Defense 10 Round .350 Legend Detachable Magazine, Black - 1035041178CPD

    C Products Defense 10 Round .350 Legend Detachable Magazine, Black - 1035041178CPD

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    Regular Price $20.99 Special Price $18.49
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  5. PSA 20" Rifle-Length 5.56 NATO 1/7 Stainless Steel 15" Lightweight M-lok MOE EPT Rifle Kit

    PSA 20" Rifle-Length 5.56 NATO 1/7 Stainless Steel 15" Lightweight M-lok MOE EPT Rifle Kit

    Rating:
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    Regular Price $699.99 Special Price $529.99
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  6. PSA Custom .625 Skeletonized Standard Gas Block

    PSA Custom .625 Skeletonized Standard Gas Block

    Rating:
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  7. PSA Classic MFT Battllink Pistol Lower Build Kit, Flat Dark Earth

    PSA Classic MFT Battllink Pistol Lower Build Kit, Flat Dark Earth

    Rating:
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    Regular Price $199.99 Special Price $119.99
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  8. YHM Mini Phantom Q.D 1/2-28 Muzzle Brake, .223 Rem/5.56 - 3102-1MB-28A

    YHM Mini Phantom Q.D 1/2-28 Muzzle Brake, .223 Rem/5.56 - 3102-1MB-28A

    Regular Price $104.99 Special Price $93.99
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  9. Wilson Combat Q-Comp 1/2-28 Muzzle Brake - TRQCOMP1/2X28

    Wilson Combat Q-Comp 1/2-28 Muzzle Brake - TRQCOMP1/2X28

    Rating:
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    Regular Price $68.99 Special Price $61.99
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  10. Bravo Company Mfg Steel Low-Profile Gas Block w/ Set Screw, Phosphate Black - LGB-625

    Bravo Company Mfg Steel Low-Profile Gas Block w/ Set Screw, Phosphate Black - LGB-625

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  11. Dead Air Armament 5.56 Nitro PVC Front Cap, Cerakote Black - DA201

    Dead Air Armament 5.56 Nitro PVC Front Cap, Cerakote Black - DA201

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  12. Daniel Defense M4A1 RIS II 12.25" 6061 T6 Aluminum Forend Rail Interface System, Black - 408001006

    Daniel Defense M4A1 RIS II 12.25" 6061 T6 Aluminum Forend Rail Interface System, Black - 408001006

    Regular Price $557.99 Special Price $501.99
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  13. San Tan Tactical .222 Rem/5.56/.300 Blackout Enhanced Bolt Carrier Group, Black Nitride - STTENHANCEDBCG556

    San Tan Tactical .222 Rem/5.56/.300 Blackout Enhanced Bolt Carrier Group, Black Nitride - STTENHANCEDBCG556

    $275.49
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  14. Q LLC The Fix M1913 20" Aluminum Picatinny Top Rail, Black - TOPRAILFIX191320IN

    Q LLC The Fix M1913 20" Aluminum Picatinny Top Rail, Black - TOPRAILFIX191320IN

    Regular Price $204.99 Special Price $150.99
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  15. Q LLC Cherry Bomb 5/8-24 Fast-Attach Muzzle Brake, 7.62mm - CB5/824

    Q LLC Cherry Bomb 5/8-24 Fast-Attach Muzzle Brake, 7.62mm - CB5/824

    Rating:
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  16. Q LLC 15.25" The Fix Rifle Forend, M-Lok Handguard, Black - 15.25FIXMLOKHANDGUARD

    Q LLC 15.25" The Fix Rifle Forend, M-Lok Handguard, Black - 15.25FIXMLOKHANDGUARD

    Regular Price $287.99 Special Price $249.99
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  17. Ballistic Advantage Premium Series .6.5 Grendel 12.5" Threaded Grendel Type 2 Chamber Barrel, Bead Blasted - BABL65G001P

    Ballistic Advantage Premium Series .6.5 Grendel 12.5" Threaded Grendel Type 2 Chamber Barrel, Bead Blasted - BABL65G001P

    Regular Price $237.99 Special Price $213.99
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  18. Ballistic Advantage Modern Series .300 Blackout 8" Threaded Barrel, QPQ Corrosion Resistant - BABL300001M

    Ballistic Advantage Modern Series .300 Blackout 8" Threaded Barrel, QPQ Corrosion Resistant - BABL300001M

    Rating:
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    Regular Price $118.99 Special Price $107.99
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  19. Harris Bipod Adapter for American Size Rails - 6A

    Harris Bipod Adapter for American Size Rails - 6A

    Regular Price $15.99 Special Price $13.89
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  20. Pearce Grip Grip Adapter for AR-15/M-16 Rifles - PG-AR15

    Pearce Grip Grip Adapter for AR-15/M-16 Rifles - PG-AR15

    Rating:
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  21. Tacfire 9mm 16" Barrel, Nitride Black - BAR9MM-16-BN

    Tacfire 9mm 16" Barrel, Nitride Black - BAR9MM-16-BN

    Regular Price $109.99 Special Price $99.99
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  22. ProMag Tactical Pistol Grip for AR-15/M-16 Rifles, Black - PM155

    ProMag Tactical Pistol Grip for AR-15/M-16 Rifles, Black - PM155

    Rating:
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    Regular Price $15.99 Special Price $13.69
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  23. ProMag Recoil Pad, Black - PM088

    ProMag Recoil Pad, Black - PM088

    Rating:
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  24. ProMag Vertical Foregrip for AR-15/M-16 Rifles, Black - PM007

    ProMag Vertical Foregrip for AR-15/M-16 Rifles, Black - PM007

    Rating:
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    Regular Price $16.99 Special Price $11.99
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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.