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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

Triggers
.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. 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. TriggerTech AR-15 Duty Curved Single-Stage 3.50 lbs Trigger - AH0-SDB-33-NNC

    TriggerTech AR-15 Duty Curved Single-Stage 3.50 lbs Trigger - AH0-SDB-33-NNC

    Rating:
    100%
    (10)
    Regular Price $145.99 Special Price $130.99
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  2. PSA JAKL 8.5" 300 Blackout 1/8 Nitride Complete Upper With BCG, Bolt Catch & Roll Pin

    PSA JAKL 8.5" 300 Blackout 1/8 Nitride Complete Upper With BCG, Bolt Catch & Roll Pin, FDE

    Rating:
    94%
    (29)
    $699.99
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  3. TriggerTech AR15 Single-Stage Diamond Pro Curved Trigger

    TriggerTech AR15 Single-Stage Diamond Pro Curved Trigger

    Rating:
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    Regular Price $339.99 Special Price $305.99
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  4. TriggerTech AR15 Single-Stage Competitive Pro Curved Trigger

    TriggerTech AR15 Single-Stage Competitive Pro Curved Trigger

    Regular Price $273.99 Special Price $245.99
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  5. PSA B5 Systems EPT Lower Build Kit with SOPMOD Enhanced Stock, ODG

    PSA B5 Systems EPT Lower Build Kit with SOPMOD Enhanced Stock, ODG

    Rating:
    100%
    (20)
    Regular Price $239.99 Special Price $149.99
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  6. PSA B5 Systems EPT Lower Build Kit with SOPMOD Enhanced Stock, FDE

    PSA B5 Systems EPT Lower Build Kit with SOPMOD Enhanced Stock, FDE

    Rating:
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    (12)
    Regular Price $239.99 Special Price $119.99
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  7. PSA B5 Systems EPT Lower Build Kit with SOPMOD Enhanced Stock, Black

    PSA B5 Systems EPT Lower Build Kit with SOPMOD Enhanced Stock, Black

    Rating:
    97%
    (45)
    Regular Price $189.99 Special Price $129.99
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  8. Timney Impact AR Trigger Curved 3lb

    Timney Impact AR Trigger Curved 3lb, Black - IMPACT-AR

    Rating:
    92%
    (53)
    Regular Price $182.99 Special Price $134.99
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  9. PSA JAKL 10.5" 5.56 NATO 1/7 Nitride Complete Upper With BCG, Bolt Catch & Both Catch Roll Pin, FDE

    PSA JAKL 10.5" 5.56 NATO 1/7 Nitride Complete Upper With BCG, Bolt Catch & Bolt Catch Roll Pin, FDE

    Rating:
    95%
    (21)
    $699.99
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  10. Timney Triggers IMPACT 3-4lb Straight AR Trigger | Black

    Timney Triggers IMPACT 3-4lb Straight AR Trigger, Black - IMPACT-AR-ST

    Rating:
    98%
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    Regular Price $150.99 Special Price $135.99
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  11. CMC Single Stage Combat Curved AR-15 Match Trigger, Black

    CMC Single Stage Combat Curved AR-15 Match Trigger, Black - 91701

    Rating:
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    Regular Price $192.99 Special Price $174.99
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  12. KCI 5.56 100 Round Drum Magazine for AR-15

    KCI 5.56 100 Round Drum Magazine for AR-15 - KCI-MZ001

    Rating:
    92%
    (77)
    Regular Price $167.99 Special Price $150.99
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  13. PSA 20" CHF Rifle-Length 5.56 NATO 1/7 18" Lightweight M-Lok Upper - No BCG or CH

    PSA 20" CHF Rifle-Length 5.56 NATO 1/7 18" Lightweight M-Lok Upper - No BCG or CH

    Rating:
    97%
    (52)
    Regular Price $799.99 Special Price $539.99
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  14. Palmetto State Armory Magpul AR-15 Lower Build Kit in Black

    Palmetto State Armory Magpul MOE Lower Build Kit, Black

    Rating:
    96%
    (2590)
    Regular Price $199.99 Special Price $99.99
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  15. PSA 20" Rifle-Length 6.5 Grendel 1/8 Stainless Steel 15" M-Lok Upper With BCG & CH

    PSA 20" Rifle-Length 6.5 Grendel 1/8 Stainless Steel 15" M-Lok Upper With BCG & CH

    Rating:
    91%
    (207)
    Regular Price $709.99 Special Price $399.99
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  16. PSA AR-15 Upper 5.56 16" Mid-Length 1/7 Nitride 13.5" M-LOK w/NiBx BCG & CH

    PSA AR-15 Upper 5.56 16" Mid-Length 1/7 Nitride 13.5" M-LOK w/NiBx BCG & CH

    Rating:
    97%
    (341)
    Regular Price $519.99 Special Price $349.99
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  17. Magpul AR-15 lower build kit

    PSA MOE Lower Build Kit, Gray - 5165449542

    Rating:
    97%
    (291)
    Regular Price $224.99 Special Price $99.99
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  18. Stainless steel 12" upper

    PSA 12" Carbine-Length 6.5 Grendel 1/8 Stainless Steel 10" Lightweight M-Lok Upper - With BCG & CH - 5165449009

    Rating:
    94%
    (140)
    Regular Price $649.99 Special Price $369.99
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  19. ar 15 upper with carry handle

    PSA 20" Rifle Length 5.56 NATO 1:7 Nitride Freedom Upper With Carry Handle Assembly W/ BCG and CH

    Rating:
    92%
    (196)
    Regular Price $589.99 Special Price $369.99
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  20. 16" NATO ar 15 complete gun kit

    PSA 16" 5.56 NATO 1/7 Mid-Length Stainless Steel 13.5" M-Lok MOE EPT Rifle Kit with MBUS Sight Set - 5165447814

    Rating:
    98%
    (129)
    Regular Price $809.99 Special Price $499.99
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  21. psa 16" classic freedom m4 fde upper with bcg and charging handle

    PSA 16" Carbine Length 5.56 NATO Classic Freedom M4 Upper w/ BCG and CH, Flat Dark Earth - 7779344

    Rating:
    96%
    (380)
    Regular Price $389.99 Special Price $299.99
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  22. classic rifle kit

    PSA 20" Rifle Length 5.56 NATO 1/7 Nitride Freedom Rifle Kit - 7788893

    Rating:
    94%
    (430)
    Regular Price $749.99 Special Price $419.99
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  23. Photo of an ar 15 moe kit for a PSA 16" 5.56 rifle.

    PSA 16" Midlength 5.56 NATO 1:7 Nitride MOE Freedom Rifle Kit - 7780444

    Rating:
    98%
    (19)
    Regular Price $589.99 Special Price $399.99
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  24. classic rifle kit

    PSA 16" M4 Carbine Length 5.56 NATO 1:7 Nitride Freedom Rifle Kit - 507617

    Rating:
    96%
    (249)
    Regular Price $669.99 Special Price $339.99
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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.