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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 1201-1224 of 5570

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  1. Diamondback Firearms AR-10 308 Win 16" 1:10 Twist Barrel, Black Nitride Finish - 308R18M50B10R

    Diamondback Firearms AR-10 308 Win 16" 1:10 Twist Barrel, Black Nitride Finish - 308R18M50B10R

    Regular Price $152.99 Special Price $136.99
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  2. Rosco Bloodline AR-15 16" 556 Heavy Barrel, 1:7 Twist - BL16HB5567C

    Rosco Bloodline AR-15 16" 556 Heavy Barrel, 1:7 Twist - BL16HB5567C

    Regular Price $193.99 Special Price $173.99
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  3. Ballistic Advantage Premium Black Series, Barrel, 6.5 Creedmoor, 18", Black, 1:8

    Ballistic Advantage Premium Black Series, Barrel, 6.5 Creedmoor, 18", Black, 1:8

    Regular Price $317.99 Special Price $285.99
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  4. Ballistic Advantage Premium Black Series, Barrel, 308 Winchester, 18", Matte

    Ballistic Advantage Premium Black Series, Barrel, 308 Winchester, 18", Matte

    Regular Price $317.99 Special Price $285.99
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  5. Rosco Bloodline AR-15 16" 556 Barrel, 1:7 Twist - BL16M45567C

    Rosco Bloodline AR-15 16" 556 Barrel, 1:7 Twist - BL16M45567C

    Regular Price $185.99 Special Price $166.99
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  6. Ballistic Advantage Premium Black Series, Barrel, 6.5 Creedmoor, 16", Black, 1:8

    Ballistic Advantage Premium Black Series, Barrel, 6.5 Creedmoor, 16", Black, 1:8

    Regular Price $306.99 Special Price $275.99
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  7. Ballistic Advantage Premium Black Series, Barrel, 308 Winchester, 16", Matte

    Ballistic Advantage Premium Black Series, Barrel, 308 Winchester, 16", Matte

    Regular Price $306.99 Special Price $275.99
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  8. Diamondback Firearms AR-10 308 Win 16" 1:10 Twist Barrel, Black Nitride Finish - 308M16L50B10R

    Diamondback Firearms AR-10 308 Win 16" 1:10 Twist Barrel, Black Nitride Finish - 308M16L50B10R

    Regular Price $158.99 Special Price $142.99
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  9. Rosco Manufacturing Bloodline Barrel 556NATO 11.5" Black 1:7 BL-115-M4-556-7-C

    Rosco Manufacturing Bloodline Barrel 556NATO 11.5" Black 1:7 BL-115-M4-556-7-C

    Rating:
    100%
    (1)
    Regular Price $159.99 Special Price $143.99
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  10. Diamondback Firearms AR-15 Barrel, 6.5 Grendel 18" 1:8 Twist, Black Nitride Finish - 65M18M50B8R

    Diamondback Firearms AR-15 Barrel, 6.5 Grendel 18" 1:8 Twist, Black Nitride Finish - 65M18M50B8R

    Regular Price $126.99 Special Price $113.99
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  11. Rosco Manufacturing Bloodline Barrel 556NATO 10.5" Black 1:7 BL-105-M4-556-7-C

    Rosco Manufacturing Bloodline Barrel 556NATO 10.5" Black 1:7 BL-105-M4-556-7-C

    Regular Price $152.99 Special Price $137.99
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  12. Rosco Manufacturing Bloodline Barrel 300 Blackout 8.2" Black 1:7 Heavy Profile BL-82-HB-300BLK-7-P

    Rosco Manufacturing Bloodline Barrel 300 Blackout 8.2" Black 1:7 Heavy Profile BL-82-HB-300BLK-7-P

    Regular Price $170.99 Special Price $153.99
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  13. Midwest Industries Night Fighter M-Lok, Handguard, Black, Fits AR Rifles, 13.5"

    Midwest Industries Night Fighter M-Lok, Handguard, Black, Fits AR Rifles, 13.5"

    Regular Price $274.99 Special Price $246.99
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  14. Samson Manufacturing Corp. SXT Series Handguard, MLOK, 15", Black

    Samson Manufacturing Corp. SXT Series Handguard, MLOK, 15", Black

    Regular Price $233.99 Special Price $209.99
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  15. Geissele Automatics MK4 Super Modular Rail Handguard 15" M-LOK Rail - 05315S

    Geissele Automatics MK4 Super Modular Rail Handguard 15" M-LOK Rail - 05315S

    Rating:
    100%
    (1)
    Regular Price $445.99 Special Price $400.99
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  16. Midwest Industries Night Fighter M-Lok, Handguard, Black, AR Rifles, 9.25"

    Midwest Industries Night Fighter M-Lok, Handguard, Black, AR Rifles, 9.25"

    Rating:
    60%
    (1)
    Regular Price $244.99 Special Price $219.99
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  17. Ballistic Advantage Modern Series Barrel 308 Winchester 12.5" BABL308008M Bead

    Ballistic Advantage Modern Series Barrel 308 Winchester 12.5" BABL308008M Bead

    Rating:
    100%
    (1)
    $199.50
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  18. Midwest Industries Night Fighter M-Lok, Handguard, Black, Fits AR Rifles, 10.5"

    Midwest Industries Night Fighter M-Lok, Handguard, Black, Fits AR Rifles, 10.5"

    Regular Price $256.99 Special Price $230.99
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  19. Diamondback Firearms 300 Blackout 10" Black 1:8 Pistol Length Gas System 300P10H50B8R

    Diamondback Firearms 300 Blackout 10" Black 1:8 Pistol Length Gas System 300P10H50B8R

    Rating:
    40%
    (3)
    Regular Price $90.99 Special Price $80.99
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  20. Luth-AR Part, Bolt Gas Rings - BT0130P

    Luth-AR Part, Bolt Gas Rings - BT0130P

    Rating:
    100%
    (1)
    Regular Price $21.99 Special Price $18.99
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  21. Samson Manufacturing Corp. SXT Series Handguard, MLOK, 9", Black

    Samson Manufacturing Corp. SXT Series Handguard, MLOK, 9", Black

    Rating:
    20%
    (1)
    Regular Price $180.99 Special Price $162.99
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  22. Geissele Automatics MK4 Super Modular Rail 10.5" Handguard - 051656S

    Geissele Automatics MK4 Super Modular Rail 10.5" Handguard - 051656S

    Regular Price $369.99 Special Price $332.99
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  23. Geissele Automatics MK4 Super Modular Rail 10.5" Handguard - 051656B

    Geissele Automatics MK4 Super Modular Rail 10.5" Handguard - 051656B

    Rating:
    100%
    (1)
    Regular Price $334.99 Special Price $300.99
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  24. Wilson Combat Recon AR-15 16" 1:8 Fluted Stainless Barrel - TR556RCIG16FT8

    Wilson Combat Recon AR-15 16" 1:8 Fluted Stainless Barrel - TR556RCIG16FT8

    Regular Price $360.99 Special Price $324.99
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Items 1201-1224 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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