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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 1393-1416 of 5570

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  1. Luth-AR Carbine Lock Ring Castle Nut - CS-02

    Luth-AR Carbine Lock Ring Castle Nut - CS-02

    Rating:
    100%
    (1)
    Regular Price $5.99 Special Price $4.99
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  2. Luth-AR Bolt Gas Rings, 3 Pack - BT-01-3P

    Luth-AR Bolt Gas Rings, 3 Pack - BT-01-3P

    Rating:
    90%
    (2)
    Regular Price $4.99 Special Price $3.99
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  3. Luth-AR AR-15 Delta Ring Assembly - BL-09D

    Luth-AR AR-15 Delta Ring Assembly - BL-09D

    Rating:
    100%
    (3)
    Regular Price $16.99 Special Price $14.99
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  4. Luth-AR Mid Length Gas Tube, Fits AR-15 - BL-04C

    Luth-AR Mid Length Gas Tube, Fits AR-15 - BL-04C

    Regular Price $17.99 Special Price $15.99
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  5. Luth-AR Pistol Length AR-15 Gas Tube - BL-04B

    Luth-AR Pistol Length AR-15 Gas Tube - BL-04B

    Rating:
    100%
    (2)
    Regular Price $14.99 Special Price $12.99
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  6. Luth-AR Carbine Length Gas Tube, Fits AR-15 - BL-04A

    Luth-AR Carbine Length Gas Tube, Fits AR-15 - BL-04A

    Rating:
    100%
    (1)
    Regular Price $15.99 Special Price $13.99
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  7. Luth-AR Rifle Length Gas Tube Fits AR-15 Rifles - BL-04

    Luth-AR Rifle Length Gas Tube Fits AR-15 Rifles - BL-04

    Regular Price $18.99 Special Price $16.99
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  8. Luth-AR Bolt Carrier Group 223/5.56, Black - BC-A-223

    Luth-AR Bolt Carrier Group 223/5.56, Black - BC-A-223

    Regular Price $159.99 Special Price $143.99
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  9. Luth-AR 308 Charging Handle, Black - 308-UR-19

    Luth-AR 308 Charging Handle, Black - 308-UR-19

    $31.29
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  10. KNS Precision Front Sling Mount AR-15/M-16 Black - FSLINGM

    KNS Precision Front Sling Mount AR-15/M-16 Black - FSLINGM

    Regular Price $19.99 Special Price $17.59
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  11. Kinetic Development Group SCAR Rear QD Sling Swivel Adapter Fits 7.62 and 5.56 SCAR Models, Black - SQP5-100

    Kinetic Development Group SCAR Rear QD Sling Swivel Adapter Fits 7.62 and 5.56 SCAR Models, Black - SQP5-100

    Regular Price $36.99 Special Price $32.99
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  12. Kinetic Development Group Kinect MLOK Harris Bipod Adapter w/ 7-Slots, Black - KIN5-220

    Kinetic Development Group Kinect MLOK Harris Bipod Adapter w/ 7-Slots, Black - KIN5-220

    Regular Price $76.99 Special Price $69.99
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  13. FailZero Fail Exo Firing Pin - EXO-FIRINGPIN01

    FailZero Fail Exo Firing Pin - EXO-FIRINGPIN01

    Rating:
    100%
    (5)
    Regular Price $9.99 Special Price $8.99
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  14. FailZero M16/M4 Bolt Carrier Group EXO Nickel Boron Coated, Nickel - 009-FZM16,4-01-NH

    FailZero M16/M4 Bolt Carrier Group EXO Nickel Boron Coated, Nickel - 009-FZM16,4-01-NH

    Rating:
    87%
    (3)
    Regular Price $149.99 Special Price $135.99
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  15. FailZero AR-15 Bolt Carrier Group EXO Nickel Boron Coated, Nickel - 009-FZAR15-01-NH

    FailZero AR-15 Bolt Carrier Group EXO Nickel Boron Coated, Nickel - 009-FZAR15-01-NH

    Rating:
    100%
    (2)
    Regular Price $152.99 Special Price $136.99
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  16. FailZero Lightweight Low Mass BCG EXO Nickel Boron Coated, Nickel - FZ-LW-BCG-01-NH

    FailZero Lightweight Low Mass BCG EXO Nickel Boron Coated, Nickel - FZ-LW-BCG-01-NH

    Rating:
    100%
    (1)
    Regular Price $236.99 Special Price $214.99
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  17. FailZero AR-15 Bolt Carrier Group w/ Hammer EXO Coated, Nickel - FZ-AR15-01-SAH

    FailZero AR-15 Bolt Carrier Group w/ Hammer EXO Coated, Nickel - FZ-AR15-01-SAH

    Regular Price $170.99 Special Price $154.99
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  18. Fortis Shift M-LOK Vertical Foregrip Black Anodized - SHIFT-VG-ML

    Fortis Shift M-LOK Vertical Foregrip Black Anodized - SHIFT-VG-ML

    Rating:
    100%
    (1)
    Regular Price $89.99 Special Price $80.99
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  19. Fortis QD Sling Mount, Black - QDSLINGMOUNT

    Fortis QD Sling Mount, Black - QDSLINGMOUNT

    Regular Price $21.99 Special Price $18.99
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  20. Fortis 16" M-Lok Night Rail System 5.56 NATO Free Float, Black - NTR-16-ML

    Fortis 16" M-Lok Night Rail System 5.56 NATO Free Float, Black - NTR-16-ML

    $275.99
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  21. Fortis 12" M-Lok Night Rail System 5.56 NATO Free Float, Black - NTR-12-MLOK

    Fortis 12" M-Lok Night Rail System 5.56 NATO Free Float, Black - NTR-12-MLOK

    $230.99
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  22. Fortis 10" M-Lok Night Rail System 5.56 Free Float, Black - NTR-10-ML

    Fortis 10" M-Lok Night Rail System 5.56 Free Float, Black - NTR-10-ML

    Regular Price $239.99 Special Price $215.99
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  23. Fortis Lightweight Enhanced AR-15 End Plate, Gold - LE-BLK-K1-GOLD

    Fortis Lightweight Enhanced AR-15 End Plate, Gold - LE-BLK-K1-GOLD

    Regular Price $49.99 Special Price $44.99
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  24. Fortis Low Profile Steel Gas Block .750, Stainless - F-LPGB-SS

    Fortis Low Profile Steel Gas Block .750, Stainless - F-LPGB-SS

    Regular Price $61.99 Special Price $54.99
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Items 1393-1416 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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