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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
View as Grid View List View

Items 2305-2328 of 5570

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  1. Magpul M-Lok Aluminum Rail Section 7 Slots

    Magpul M-LOK Aluminum Rail Section, 7 Slots - MAG582

    Rating:
    93%
    (3)
    Regular Price $29.99 Special Price $21.99
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  2. AR-15 Upper Parts Magpul M-LOK Bipod Mount

    Magpul M-LOK Bipod Mount - MAG609

    Rating:
    98%
    (19)
    Regular Price $24.99 Special Price $21.99
    Add to Wish List Add to Compare
  3. Magpul M-Lok Cantilever Mount

    Magpul M-LOK Cantilever Rail/Light Mount, Polymer - MAG587

    Rating:
    93%
    (3)
    Regular Price $21.99 Special Price $18.99
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  4. Magpul M-Lok Polymer Rail Section

    Magpul M-LOK Polymer Rail Section, 5 Slots - MAG590

    Rating:
    100%
    (13)
    $10.40
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  5. Magpul M-Lok Polymer Rail Section

    Magpul M-LOK Polymer Rail Section, 9 Slots - MAG592

    Rating:
    83%
    (6)
    $15.15
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  6. AR-15 Upper Parts

    Magpul M-LOK to MOE Adapter Kit - MAG478

    Regular Price $11.99 Special Price $9.99
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  7. AR-15 Upper Parts

    Magpul QD Paraclip Adapter - MAG542

    Rating:
    100%
    (1)
    Regular Price $21.99 Special Price $15.99
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  8. AR-15 Upper Parts Magpul RVG M-LOK Adapter Rail

    Magpul RVG M-LOK Adapter Rail - MAG596

    Rating:
    100%
    (1)
    Regular Price $9.99 Special Price $8.99
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  9. PSA Bolt Extractor O Ring AR-15 Upper Part - Extractor

    PSA Bolt Extractor O-Ring - 1740

    Rating:
    100%
    (2)
    $0.99
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  10. PSA PA10 Snap Ring - 506739

    PSA PA10 Snap Ring - 506739

    Rating:
    100%
    (1)
    $3.99
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  11. PSA PA10 Barrel Nut - 506740

    PSA PA10 Barrel Nut - 506740

    Rating:
    98%
    (11)
    $11.99
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  12. Magpul M-LOK AFG Angled Fore Grip - ODG

    Magpul M-LOK AFG Angled Fore Grip, OD Green- Mag598-ODG

    Rating:
    94%
    (7)
    Regular Price $28.99 Special Price $25.99
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  13. Magpul M-LOK AFG Angled Fore Grip - Gray

    Magpul M-LOK AFG Angled Fore Grip, Gray- Mag598-GRY

    Rating:
    100%
    (3)
    Regular Price $35.99 Special Price $25.99
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  14. Magpul M-LOK AFG Angled Fore Grip - FDE

    Magpul M-LOK AFG Angled Fore Grip, Flat Dark Earth- Mag598-FDE

    Rating:
    96%
    (18)
    Regular Price $28.99 Special Price $25.99
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  15. Magpul M-LOK AFG Angled Fore Grip - Black

    Magpul M-LOK AFG Angled Fore Grip, Black- Mag598-BLK

    Rating:
    99%
    (48)
    Regular Price $28.99 Special Price $25.99
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  16. Magpul M-LOK MVG Vertical Grip - ODG

    Magpul M-LOK MVG - MOE Vertical Grip - Olive Drab Green - MAG597-ODG

    Rating:
    100%
    (4)
    Regular Price $24.99 Special Price $21.99
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  17. Magpul M-LOK MVG Vertical Grip - Gray

    Magpul M-LOK MVG - MOE Vertical Grip - Gray - MAG597-GRY

    Rating:
    100%
    (3)
    $21.80
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  18. Magpul M-LOK MVG Vertical Grip - FDE

    Magpul M-LOK MVG - MOE Vertical Grip - Flat Dark Earth - MAG597-FDE

    Rating:
    98%
    (11)
    Regular Price $24.99 Special Price $21.99
    Add to Wish List Add to Compare
  19. Magpul M-LOK MVG Vertical Grip - Black

    Magpul M-LOK MVG - MOE Vertical Grip - Black - MAG597-BLK

    Rating:
    99%
    (41)
    Regular Price $24.99 Special Price $21.99
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  20. Magpul MOE K2+ Grip - Gray

    Magpul MOE K2+ Grip – AR15/M4 - Gray - MAG532-GRY

    Rating:
    100%
    (1)
    Regular Price $26.99 Special Price $23.99
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  21. Magpul MOE K2+ Grip - ODG

    Magpul MOE K2+ Grip – AR15/M4 - Olive Drab Green - MAG532-ODG

    Rating:
    100%
    (10)
    Regular Price $26.99 Special Price $23.99
    Add to Wish List Add to Compare
  22. Magpul MOE K2+ Grip - FDE

    Magpul MOE K2+ Grip – AR15/M4 - Flat Dark Earth - MAG532-FDE

    Rating:
    100%
    (3)
    Regular Price $26.99 Special Price $23.99
    Add to Wish List Add to Compare
  23. Magpul MOE K2+ Grip - Black

    Magpul MOE K2+ Grip – AR15/M4 - Black - MAG532-BLK

    Rating:
    100%
    (15)
    Regular Price $26.99 Special Price $23.99
    Add to Wish List Add to Compare
  24. Magpul MS1 MS3 Sling Adapter, Gray- Mag516-GRY

    Magpul MS1 MS3 Sling Adapter, Gray- Mag516-GRY

    $15.15
    Add to Wish List Add to Compare
View as Grid View List View

Items 2305-2328 of 5570

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Shop By
Shopping Options
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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