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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 145-168 of 5570

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  1. Brownells Ejection Port Cover Spring, Gray

    Brownells Ejection Port Cover Spring, Gray

    Regular Price $4.99 Special Price $4.09
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  2. Brownells Ejection Port Cover Rod, Black

    Brownells Ejection Port Cover Rod, Black

    Regular Price $5.99 Special Price $4.89
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  3. Brownells Ejection Port Cover Door

    Brownells Ejection Port Cover Door

    Regular Price $9.99 Special Price $8.19
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  4. Brownells Forward Assist Spring, Silver

    Brownells Forward Assist Spring, Silver

    Regular Price $2.99 Special Price $2.49
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  5. Brownells Ejector Spring

    Brownells Ejector Spring

    Regular Price $6.99 Special Price $5.69
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  6. Brownells Extractor Spring

    Brownells Extractor Spring

    Regular Price $6.99 Special Price $5.69
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  7. Brownells Ejector Spring

    Brownells Ejector Spring

    Regular Price $4.99 Special Price $4.09
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  8. Brownells Detent Takedown Spring

    Brownells Detent Takedown Spring

    Regular Price $3.99 Special Price $3.29
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  9. Brownells A2 Charging Handle Latch Spring

    Brownells A2 Charging Handle Latch Spring

    Regular Price $3.99 Special Price $3.29
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  10. Brownells Bolt/Gas Ring

    Brownells Bolt/Gas Ring

    Regular Price $1.99 Special Price $1.69
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  11. Brownells Bolt Catch Spring, Silver

    Brownells Bolt Catch Spring, Silver

    Regular Price $1.99 Special Price $0.99
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  12. Brownells M16 Bolt Assembly 9mm, Black

    Brownells M16 Bolt Assembly 9mm, Black

    Regular Price $115.99 Special Price $103.99
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  13. Brownells Handguard Slip Ring Spring, Black

    Brownells Handguard Slip Ring Spring, Black

    Regular Price $11.99 Special Price $10.59
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  14. Brownells Handguard Snap Ring 1.73", Black

    Brownells Handguard Snap Ring 1.73", Black

    Regular Price $3.99 Special Price $3.29
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  15. Brownells A1 Ejection Port Cover Assembly, Black

    Brownells A1 Ejection Port Cover Assembly, Black

    Regular Price $19.99 Special Price $17.89
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  16. Brownells M16 Lightweight Bolt Carrier Group 5.56x45mm/.223 Remington/.300 AAC Blackout, Black

    Brownells M16 Lightweight Bolt Carrier Group 5.56x45mm/.223 Remington/.300 AAC Blackout, Black

    Regular Price $150.99 Special Price $135.99
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  17. Brownells M16 Bolt Carrier Group .308 Win/.243 Caliber/7mm-08 Remington, Silver

    Brownells M16 Bolt Carrier Group .308 Win/.243 Caliber/7mm-08 Remington, Silver

    Regular Price $199.99 Special Price $179.99
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  18. Brownells 3-Prong Flash Hider 1/2-28, Black

    Brownells 3-Prong Flash Hider 1/2-28, Black

    Regular Price $33.99 Special Price $29.99
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  19. Brownells M16 Bolt Carrier Group 5.56x45mm/.300 AAC Blackout/.223 Remington, Chrome

    Brownells M16 Bolt Carrier Group 5.56x45mm/.300 AAC Blackout/.223 Remington, Chrome

    Rating:
    100%
    (2)
    Regular Price $154.99 Special Price $138.99
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  20. Brownells Pistol Grip, Brown

    Brownells Pistol Grip, Brown

    Regular Price $16.99 Special Price $14.99
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  21. Brownells Pistol Grip, Green

    Brownells Pistol Grip, Green

    Regular Price $16.99 Special Price $14.99
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  22. Brownells Pistol Grip, Black

    Brownells Pistol Grip, Black

    Regular Price $17.99 Special Price $15.99
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  23. Brownells Rifle-Length Handguard Set 12", Brown

    Brownells Rifle-Length Handguard Set 12", Brown

    Regular Price $49.99 Special Price $44.69
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  24. Brownells Rifle-Length Handguard Set 12", Green

    Brownells Rifle-Length Handguard Set 12", Green

    Regular Price $46.99 Special Price $41.99
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Items 145-168 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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