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AR-15 Rifles & More

Shop AR-15 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 AR-15 essentials at competitive prices.

Palmetto State Armory is your one-stop shop for all your AR-15 rifle needs. Shop complete AR-15 rifles and AR-15 pistols, upper receivers, lower receivers, build kits, AR-15 parts, etc. Also, shop our selection of 5.56 ammo by some of the industry's best brands. 

Rifles

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Uppers

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Lower Receivers

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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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Left Handed AR-15

Left Handed AR-15
Featured Products
  1. PSA 16" Mid-Length 5.56 NATO 1/7 Phosphate 13.5" Hex M-Lok MOE EPT Stealth Rifle, FDE
    PSA 16" Mid-Length 5.56 NATO 1/7 Nitride 13" Lightweight Hex M-Lok MOE EPT Stealth Rifle, FDE
    Rating:
    99%
    (64)
    Regular Price $999.99 Special Price $529.99
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  2. Daniel Defense Complete Lower Receiver Group WEBGB-DDM4-LRG
    Daniel Defense Complete Lower Receiver Group WEBGB-DDM4-LRG
    Rating:
    98%
    (31)
    Regular Price $584.99 Special Price $499.99
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  1. Toolcraft 5.56 Phosphate MPI Full-Auto BCG - No Logo & PSA AR15/PA10 EPT - Enhanced Polished FCG

    Toolcraft 5.56 Phosphate MPI Full-Auto BCG - No Logo & PSA AR15/PA10 EPT - Enhanced Polished FCG

    SAVE $14.99 When you add both!
    Regular Price $134.98 Special Price $119.99
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  2. PSA Premium 5.56 Nickel Boron BCG & 10 Magpul PMAG Gen 2 MOE 5.56x45 30rd Magazines

    PSA Premium 5.56 Nickel Boron BCG & 10 Magpul PMAG Gen 2 MOE 5.56x45 30rd Magazines

    $222.99
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  3. Lancer Systems L5AWM 20 Round .223 Rem/5.56 Magazine, Opaque Flat Dark Earth

    Lancer Systems L5AWM 20 Round .223 Rem/5.56 Magazine, Opaque Flat Dark Earth

    Regular Price $24.99 Special Price $9.99
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  4. Lancer Systems L5AWM 20 Round .223 Rem/5.56 Magazine, Translucent Dark Earth

    Lancer Systems L5AWM 20 Round .223 Rem/5.56 Magazine, Translucent Dark Earth

    Regular Price $24.99 Special Price $9.99
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  5. PSA 16" M4 Carbine-Length 5.56 NATO 1/7 Nitride MOE SL EPT Rifle , Black

    PSA 16" M4 Carbine-Length 5.56 NATO 1/7 Nitride MOE SL EPT Rifle , Black

    Rating:
    97%
    (13)
    Regular Price $699.99 Special Price $479.99
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  6. Lancer Systems L5AWM 30rd 5.56x45mm/.223 Rem Magazine, Translucent Alien Green - 999-000-2320-74

    Lancer Systems L5AWM 30rd 5.56x45mm/.223 Rem Magazine, Translucent Alien Green - 999-000-2320-74

    Regular Price $29.99 Special Price $9.99
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  7. PSA Gen4 4" 9mm 1/10 GX 5" Lightweight Hex M-Lok MOE EPT Shockwave Pistol

    PSA Gen4 4" 9mm 1/10 GX 5" Lightweight Hex M-Lok MOE EPT Shockwave Pistol

    Rating:
    92%
    (29)
    Regular Price $999.99 Special Price $529.99
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  8. Lancer Systems L5AWM 30rd 5.56x45mm/.223 Rem Magazine, Translucent Blaze Orange

    Lancer Systems L5AWM 30rd 5.56x45mm/.223 Rem Magazine, Translucent Blaze Orange

    Rating:
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    (8)
    Regular Price $29.99 Special Price $7.99
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  9. Lancer AR Rifles 30 Round .223 Remington/5.56 Nato Magazine Translucent Blue

    Lancer AR Rifles 30 Round .223 Remington/5.56 Nato Magazine Translucent Blue

    Rating:
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    (1)
    Regular Price $29.99 Special Price $7.99
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  10. PSA PA15 Complete Classic A2 Lower, FDE

    PSA PA15 Complete Classic A2 Lower, FDE

    Rating:
    97%
    (14)
    Regular Price $229.99 Special Price $179.99
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  11. PSA Custom Series Billet Receiver Set w/Ambi Bolt Release and Tension Screw

    PSA Custom Series Billet Receiver Set w/Ambi Bolt Release and Tension Screw

    Rating:
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    Regular Price $349.99 Special Price $229.99
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  12. BLACKHAWK! Tier Stacked Mag Pouch - M4 30rnd, Black 37CL118BK

    BLACKHAWK! Tier Stacked Mag Pouch - M4 30rnd, Black 37CL118BK

    Regular Price $24.99 Special Price $19.99
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  13. BLACKHAWK! Tier Stacked Mag Pouch M4/FAL 20 Round - Black

    Blackhawk S.T.R.I.K.E. Tier Stacked 20rd 7.62 Mag Pouch, Black - 37CL119BK

    $25.99
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  14. Daniel Defense AR-15 DDM4 Retro Limited Edition 16" 5.56 NATO Rifle - WEBGB-BG-SMU

    Daniel Defense AR-15 DDM4 Retro Limited Edition 16" 5.56 NATO Rifle - WEBGB-BG-SMU

    Rating:
    83%
    (7)
    Regular Price $1,799.99 Special Price $1,299.99
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  15. PSA AR-V 8" 9mm 1/10 Lightweight M-Lok MOE EPT HBPDW Pistol

    PSA AR-V 8" 9mm 1/10 Lightweight M-Lok MOE EPT HBPDW Pistol

    Rating:
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    Regular Price $1,649.99 Special Price $999.99
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  16. PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride 9" Lightweight Hex MLOK Classic SBA3 Pistol

    PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride 9" Lightweight Hex MLOK Classic SBA3 Pistol

    Rating:
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    Regular Price $929.99 Special Price $529.99
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  17. PSA 16" Mid-Length 5.56 NATO 1/7 Nitride 15" Lightweight Hex M-Lok Classic Rifle

    PSA 16" Mid-Length 5.56 NATO 1/7 Nitride 15" Lightweight Hex M-Lok Classic Rifle

    Rating:
    99%
    (54)
    Regular Price $899.99 Special Price $499.99
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  18. Rise Armament AR Watchman .223 Wylde 16" 30rd Rifle, Black - WM223-BLK-16-RPTL

    Rise Armament AR Watchman .223 Wylde 16" 30rd Rifle, Black - WM223-BLK-16-RPTL

    $1,449.99
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  19. FN 15 Guardian 5.56 NATO 16" 30rd Rifle, Black - 36100740

    FN 15 Guardian 5.56 NATO 16" 30rd Rifle, Black - 36100740

    Rating:
    95%
    (4)
    Regular Price $937.99 Special Price $851.99
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  20. Harrington & Richardson BLEM M16A2 Rifle w/ 20" Hammer Forged FN Barrel, Gray

    Harrington & Richardson BLEM M16A2 Rifle w/ 20" Hammer Forged FN Barrel, Gray

    Rating:
    80%
    (2)
    $1,299.99
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  21. Harrington & Richardson BLEM M16A2 Rifle w/ 20" Hammer Forged FN Barrel, Black

    Harrington & Richardson BLEM M16A2 Rifle w/ 20" Hammer Forged FN Barrel, Black

    $1,279.99
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  22. Harrington & Richardson M16A2 Rifle w/ 20" Hammer Forged FN Barrel, Black

    Harrington & Richardson M16A2 Rifle w/ 20" Hammer Forged FN Barrel, Black

    Rating:
    95%
    (8)
    $1,299.99
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  23. Smith & Wesson M&P FPC 9mm Semi-Auto Rifle 16.25", Black - 12575

    Smith & Wesson M&P FPC 9mm Semi-Auto Rifle 16.25", Black - 12575

    Rating:
    99%
    (92)
    Regular Price $749.99 Special Price $549.99
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  24. Rise Armament Watchman .223 Wylde AR Pistol 11.5", Black

    Rise Armament Watchman .223 Wylde AR Pistol 11.5", Black - WM223-BLK-115P

    $1,449.99
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  1. Rifles 1949
  2. Pistols 773
  3. Uppers 1238
  4. Kits 773
  5. Lower Receivers 709
  6. Parts 9181
  7. 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.