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AR-15 Upper Parts

Browse Palmetto State Armory's vast selection of AR-15 upper parts to build your upper from the ground up or to upgrade your AR-15 upper. With everything from bolt carrier groups, AR-15 charging handles, muzzle accessories, rails, and much more, you are sure to find what you need at Palmetto State Armory. All Palmetto State Armory branded upper parts and lower parts are American-made and feature our full lifetime warranty.

Handguards & Rails

Handguards & Rails
Stripped Upper Receivers

Stripped Upper Receivers
Barrels & Barrel Assemblies

Barrels & Barrel Assemblies
Bolt Carrier Groups

Bolt Carrier Groups
Charging Handles

Charging Handles
Dust Covers

Dust Covers
Firing Pins

Firing Pins
Foregrips

Foregrips

Forward Assist

Forward Assist
Gas Blocks

Gas Blocks
Gas Tubes

Gas Tubes
Individual Upper Parts

Individual Upper Parts
Muzzle Accessories

Muzzle Accessories
Piston Conversion Kits & Parts

Piston Conversion Kits & Parts
Carry Handles

Carry Handles

Upper Repair Kits

Upper Repair Kits
Upper Accessories

Upper Accessories
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Items 361-384 of 5570

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  1. Sons of Liberty Gun Works Carbine-Length Gas Tube, Stainless

    Sons of Liberty Gun Works Carbine-Length Gas Tube, Stainless

    $17.99
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  2. Sons of Liberty Gun Works Barrel Nut

    Sons of Liberty Gun Works Barrel Nut

    $12.99
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  3. Sons of Liberty Gun Works Ejection Port Cover Assembly, Black

    Sons of Liberty Gun Works Ejection Port Cover Assembly, Black

    $13.99
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  4. Sons of Liberty Gun Works A2 Pistol Grip, Black

    Sons of Liberty Gun Works A2 Pistol Grip, Black

    Rating:
    80%
    (1)
    Regular Price $8.99 Special Price $7.99
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  5. Sons of Liberty Gun Works Crush Washer 5/8", Black

    Sons of Liberty Gun Works Crush Washer 5/8", Black

    Regular Price $6.99 Special Price $5.99
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  6. Sons of Liberty Gun Works Crush Washer 0.50", Black

    Sons of Liberty Gun Works Crush Washer 0.50", Black

    Regular Price $6.99 Special Price $5.99
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  7. Sons of Liberty Gun Works Castle Nut, Black

    Sons of Liberty Gun Works Castle Nut, Black

    $9.99
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  8. Sons of Liberty Gun Works Bolt Catch Pin, Black

    Sons of Liberty Gun Works Bolt Catch Pin, Black

    Regular Price $4.99 Special Price $3.99
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  9. Sons of Liberty Gun Works Bolt Catch, Black

    Sons of Liberty Gun Works Bolt Catch, Black

    $10.99
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  10. Sons of Liberty Gun Works Bolt Catch Spring, Stainless

    Sons of Liberty Gun Works Bolt Catch Spring, Stainless

    Regular Price $4.99 Special Price $3.99
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  11. CMMG 3-Pack Split Type Gas Ring

    CMMG 3-Pack Split Type Gas Ring

    Regular Price $1.99 Special Price $1.69
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  12. CMMG Mil-Spec Extractor Spring

    CMMG Mil-Spec Extractor Spring

    Regular Price $2.99 Special Price $2.29
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  13. CMMG MK9 Firing Pin Fits Kahr MK9

    CMMG MK9 Firing Pin Fits Kahr MK9

    Regular Price $16.99 Special Price $14.69
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  14. CMMG MK9 Bolt Catch Fits Kahr MK9

    CMMG MK9 Bolt Catch Fits Kahr MK9

    Regular Price $17.99 Special Price $15.79
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  15. CMMG Bolt Catch

    CMMG Bolt Catch

    Regular Price $11.99 Special Price $10.19
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  16. CMMG Bolt Catch Spring, Silver

    CMMG Bolt Catch Spring, Silver

    Regular Price $1.99 Special Price $1.39
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  17. CMMG Mil-Spec Dust Cover Hinged Pin

    CMMG Mil-Spec Dust Cover Hinged Pin

    Regular Price $3.99 Special Price $3.39
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  18. CMMG Mil-Spec Ejection Port Cover Spring

    CMMG Mil-Spec Ejection Port Cover Spring

    Regular Price $1.99 Special Price $1.39
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  19. Forward Controls Design CNF Billet Castle Nut, Flat Dark Earth

    Forward Controls Design CNF Billet Castle Nut, Flat Dark Earth

    Regular Price $32.99 Special Price $28.99
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  20. Forward Controls Design CNF Billet Castle Nut, Burnt Bronze

    Forward Controls Design CNF Billet Castle Nut, Burnt Bronze

    Regular Price $32.99 Special Price $28.99
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  21. Luth-AR Rifle-Length A2 2-Piece Drop-In Handguard 12", Black

    Luth-AR Rifle-Length A2 2-Piece Drop-In Handguard 12", Black

    Rating:
    100%
    (2)
    Regular Price $24.99 Special Price $21.99
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  22. Luth-AR Mid-Length A2 2-Piece Drop-In Handguard 9", Black

    Luth-AR Mid-Length A2 2-Piece Drop-In Handguard 9", Black

    Rating:
    85%
    (4)
    Regular Price $23.99 Special Price $20.99
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  23. Strike Industries Bikini Hand Stop, Black

    Strike Industries Bikini Hand Stop, Black

    Rating:
    100%
    (1)
    Regular Price $13.99 Special Price $11.99
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  24. Really Right Stuff Bipod Clamp Fits B&T Industries ARMS 17S

    Really Right Stuff Bipod Clamp Fits B&T Industries ARMS 17S

    $84.99
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Items 361-384 of 5570

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Category
  1. Handguards & Rails 1532
  2. Stripped Upper Receivers 146
  3. Barrels & Barrel Assemblies 653
  4. Bolt Carrier Groups 356
  5. Charging Handles 301
  6. Dust Covers 119
  7. Firing Pins 43
  8. Foregrips 253
  9. Forward Assist 49
  10. Gas Blocks 176
  11. Gas Tubes 136
  12. Individual Upper Parts 1426
  13. Muzzle Accessories 456
  14. Piston Conversion Kits & Parts 3
  15. Carry Handles 12
  16. Upper Repair Kits 17
  17. Upper Accessories 75
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