Menu
Close
Search
Search Log In Compare
View Cart
Close
My Account
Compare

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, 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 are American made and feature our full lifetime warranty.
View as Grid View List View

Items 1-24 of 977

Page
Set Descending Direction
  1. AR-15 Upper Parts Geissele 9.5" Super Modular Rail MK14 M-LOK

    Geissele 9.5" Super Modular Rail MK14 M-LOK

    $275.00
    Add to Wish List Add to Compare
  2. Black Geissele 9.5" Super Modular Rail MK13 M-Lok

    Geissele 9.5" Super Modular Rail MK13 M-LOK

    $275.00
    Add to Wish List Add to Compare
  3. AR-15 Upper Parts Geissele Super Gas Block in Stainless Steel

    Geissele Super Gas Block (SGB), Stainless Steel ‒ 05-807

    Rating:
    80%
    (2)
    $59.00
    Add to Wish List Add to Compare
  4. PSA Custom .936 Skeletonized Standard Gas Block

    PSA Custom .936 Skeletonized Standard Gas Block

    $34.95
    Add to Wish List Add to Compare
  5. PSA Custom AR-15 NSR Style Barrel Nut Shims,(3pk), Matte Stainless

    PSA Custom AR-15 NSR Style Barrel Nut Shims,(3pk), Matte Stainless

    Rating:
    100%
    (1)
    $2.00
    Add to Wish List Add to Compare
  6. PSA Custom AR15/M4 .223 Six-Port Muzzle Brake, 1/2"X28 TPI - 116085

    PSA Custom AR15/M4 .223 Six-Port Muzzle Brake, 1/2"X28 TPI - 116085

    Rating:
    100%
    (1)
    $29.95
    Add to Wish List Add to Compare
  7. PSA Custom 5.56/.223 Crush Washer, Silver (pack of 1) - 116080

    PSA Custom 5.56/.223 Crush Washer, Silver (pack of 1) - 116080

    $2.00
    Add to Wish List Add to Compare
  8. PSA Custom 7.62/.308 Crush Washer, Silver (pack of 1) - 116079

    PSA Custom 7.62/.308 Crush Washer, Silver (pack of 1) - 116079

    $2.00
    Add to Wish List Add to Compare
  9. PSA Custom 5.5" Handguard Rail Cover, Black (1 in Pack) - 116075

    PSA Custom 5.5" Handguard Rail Cover, Black (1 in Pack) - 116075

    $5.95
    Add to Wish List Add to Compare
  10. PSA Custom 7 Slot M-LOK Rail Section

    PSA Custom 7 Slot M-LOK Rail Section

    $19.95
    Add to Wish List Add to Compare
  11. PSA Custom Cross-Cut Lightweight 9" MLOK Partial Picatinny Handguard

    PSA Custom Cross-Cut Lightweight 9" MLOK Partial Picatinny Handguard

    Rating:
    94%
    (9)
    $84.95
    Add to Wish List Add to Compare
  12. PSA Custom Cross-Cut Lightweight 18" MLOK Partial Picatinny Handguard

    PSA Custom Cross-Cut Lightweight 18" MLOK Partial Picatinny Handguard

    $114.95
    Add to Wish List Add to Compare
  13. PSA Custom Series .30 Caliber Fluted Flash Can, (5/8x24)

    PSA Custom Series .30 Caliber Fluted Flash Can, (5/8x24)

    Rating:
    100%
    (2)
    $35.00
    Add to Wish List Add to Compare
  14. Toolcraft Logo'd Left Handed 5.56 Nickel Boron MPI Full-Auto Bolt Carrier Group

    Toolcraft Logo'd Left Handed 5.56 Nickel Boron MPI Full-Auto Bolt Carrier Group

    $189.99
    Add to Wish List Add to Compare
  15. Toolcraft Logo'd Left Handed 5.56 Nitride MPI Full-Auto Bolt Carrier Group

    Toolcraft Logo'd Left Handed 5.56 Nitride MPI Full-Auto Bolt Carrier Group

    Rating:
    100%
    (1)
    $159.99
    Add to Wish List Add to Compare
  16. PSA Custom 5 Slot KEYMOD Rail Section

    PSA Custom 5 Slot KEYMOD Rail Section

    $9.95
    Add to Wish List Add to Compare
  17. PSA Custom QD Attachment Point M-LOK Rail Section

    PSA Custom QD Attachment Point M-LOK Rail Section

    Rating:
    84%
    (5)
    $13.95
    Add to Wish List Add to Compare
  18. PSA Custom Nitride Rifle Length Gas Tube

    PSA Custom Nitride Rifle Length Gas Tube

    Rating:
    100%
    (1)
    $15.00
    Add to Wish List Add to Compare
  19. PSA Custom Nitride Mid Length Gas Tube

    PSA Custom Nitride Mid Length Gas Tube

    Rating:
    100%
    (1)
    $14.50
    Add to Wish List Add to Compare
  20. PSA Custom Nitride Carbine Length Gas Tube

    PSA Custom Nitride Carbine Length Gas Tube

    $13.50
    Add to Wish List Add to Compare
  21. PSA Custom Nitride Pistol Length Gas Tube

    PSA Custom Nitride Pistol Length Gas Tube

    Rating:
    100%
    (1)
    $12.50
    Add to Wish List Add to Compare
  22. Lead Star Arms Ravage AR-15 Linear Compensator, Black

    Lead Star Arms Ravage AR-15 Linear Compensator

    $54.99
    Add to Wish List Add to Compare
  23. Lead Star Arms Ravage 11" AR-15 M-Lok Handguard, Black

    Lead Star Arms Ravage 11" AR-15 M-Lok Handguard

    $144.99
    Add to Wish List Add to Compare
  24. Lead Star Arms Ravage Muzzle Brake 9mm 1/2"x28, Black

    Lead Star Arms Ravage Muzzle Brake 9mm 1/2"x28

    $64.99
    Add to Wish List Add to Compare
View as Grid View List View

Items 1-24 of 977

Page
Set Descending Direction
Shop By
Shopping Options
Category
  1. AR-15 Upper Accessories 81
  2. AR-15 Barrels & Barrel Assemblies 116
  3. AR-15 Bolt Carrier Groups 67
  4. AR-15 Charging Handles 46
  5. AR-15 Gas Blocks 43
  6. AR-15 Handguards & Rails 339
  7. AR-15 Muzzle Accessories 116
  8. AR-15 Individual Upper Parts 92
  9. AR-15 Piston Conversion Kits & Parts 7
  10. AR-15 Repair Kits 12
  11. AR-15 Sights 55
  12. AR-15 Upper Receivers 28
Caliber
Brand
Rating
Price
Apply

Looking for something more specific?