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, 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 are American made and feature our full lifetime warranty.

View as Grid View List View

Items 1-24 of 984

Page
Set Descending Direction
  1. 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
  2. PSA Custom 12" V2 MLOK Lightweight Slant Handguard

    PSA Custom 12" V2 MLOK Lightweight Slant Handguard

    Rating:
    100%
    (1)
    $119.99
    Add to Wish List Add to Compare
  3. PSA Custom .936 Skeletonized Standard Gas Block

    PSA Custom .936 Skeletonized Standard Gas Block

    Rating:
    60%
    (1)
    $34.95
    Add to Wish List Add to Compare
  4. 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
  5. 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
  6. PSA Custom 5.56/.223 Crush Washer, Silver (pack of 1) - 116080

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

    Rating:
    100%
    (1)
    $2.00
    Add to Wish List Add to Compare
  7. 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
  8. PSA Custom 5.5" Handguard Rail Cover, Black (1 in Pack) - 116075

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

    Rating:
    100%
    (1)
    $5.95
    Add to Wish List Add to Compare
  9. PSA Custom 20 Piece Mil-Std-1913 Picatinny/Weaver Rail Cover, Black - 116074

    PSA Custom 20 Piece Mil-Std-1913 Picatinny/Weaver Rail Cover, Black - 116074

    $8.95
    Add to Wish List Add to Compare
  10. PSA Custom 7 Slot M-LOK Rail Section

    PSA Custom 7 Slot M-LOK Rail Section

    Rating:
    100%
    (1)
    $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:
    96%
    (13)
    $84.95
    Add to Wish List Add to Compare
  12. PSA Custom Cross-Cut Lightweight 7" MLOK Partial Picatinny Handguard

    PSA Custom Cross-Cut Lightweight 7" MLOK Partial Picatinny Handguard

    Rating:
    96%
    (4)
    $84.95
    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%
    (5)
    $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

    Rating:
    100%
    (4)
    $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%
    (2)
    $159.99
    Add to Wish List Add to Compare
  16. PSA Custom 3-Slot M-LOK Rail Section

    PSA Custom 3-Slot M-LOK Rail Section

    Rating:
    100%
    (3)
    $13.95
    Add to Wish List Add to Compare
  17. PSA Custom 5-Slot M-LOK Rail Section

    PSA Custom 5-Slot M-LOK Rail Section

    Rating:
    100%
    (3)
    $14.95
    Add to Wish List Add to Compare
  18. PSA Custom .750 Click Switch Adjustable Gas Block

    PSA Custom .750 Click Switch Adjustable Gas Block

    Rating:
    88%
    (26)
    $49.95
    Add to Wish List Add to Compare
  19. 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
  20. PSA Custom .625 Adjustable Gas Block - 116035

    PSA Custom .625 Adjustable Gas Block - 116035

    $39.95
    Add to Wish List Add to Compare
  21. PSA 5.56 Nitride MPI Full-Auto Bolt Carrier Group

    PSA 5.56 Nitride MPI Full-Auto Bolt Carrier Group - 516446953

    Rating:
    96%
    (1144)
    $109.99
    Add to Wish List Add to Compare
  22. PSA 6.5 Grendel Nitride Bolt Carrier Group

    PSA 6.5 Grendel Nitride Bolt Carrier Group

    Rating:
    100%
    (6)
    Regular Price $119.99 Special Price $99.99
    Add to Wish List Add to Compare
  23. Toolcraft Premium 5.56 Nickel Boron BCG With Carpenter 158 Bolt

    Toolcraft Logo'd Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - 5165449729

    Rating:
    98%
    (303)
    Regular Price $149.99 Special Price $139.99
    Add to Wish List Add to Compare
  24. PSA Fluted 5.56 AR-15 Upper Receiver Flash Can

    PSA Custom Series 5.56 Fluted Flash Can (1/2x28)

    Rating:
    98%
    (23)
    $35.00
    Add to Wish List Add to Compare
View as Grid View List View

Items 1-24 of 984

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 69
  4. AR-15 Charging Handles 46
  5. AR-15 Gas Blocks 43
  6. AR-15 Handguards & Rails 342
  7. AR-15 Muzzle Accessories 116
  8. AR-15 Individual Upper Parts 93
  9. AR-15 Piston Conversion Kits & Parts 7
  10. AR-15 Repair Kits 12
  11. AR-15 Sights 55
  12. AR-15 Upper Receivers 27
Caliber
Brand
Rating
Price
Apply

Looking for something more specific?