My Cart ()
Back Close
Filters
Now Shopping by
  1. Color
    Black
  2. Options
    W/O BCG & CH
  3. Material
    Aluminum
Brand
  1. Aero Precision 4 items
  2. Ballistic Advantage 3 items
  3. Battle Arms Development 1 item
  4. Black Rain Ordnance 1 item
  5. Bootleg Inc 1 item
  6. Bravo Company USA 1 item
  7. CMMG 1 item
  8. DPMS 1 item
  9. Faxon Firearms 1 item
  10. Fortis Manufacturing 1 item
  11. Lantac USA 2 items
  12. LBE Unlimited 1 item
  13. Luth-AR 6 items
  14. Nordic Components 1 item
  15. Noveske 1 item
  16. Odin Works 1 item
  17. Sharps Bros. 1 item
  18. Sons of Liberty Gun Works 1 item
  19. TacFire Inc. 4 items
  20. Yankee Hill Machine Co 2 items
Color
  1. Black 35 items
  2. Coyote Brown 1 item
  3. Flat Dark Earth 3 items
  4. Hard Coat Anodized 2 items
  5. Kodiak Brown 1 item
  6. Ranger Green 1 item
  7. Urban Grey 1 item
Thread Pattern
  1. 5/8x24 1 item
Platform
  1. AR-10 3 items
  2. AR-15 31 items
  3. AR-9 2 items
  4. CMMG 1 item
Caliber
  1. 223 Remington 2 items
  2. 300 AAC Blackout 1 item
  3. 40 S&W 1 item
  4. 5.56mm NATO 5 items
  5. 9mm Luger 1 item
Attachment Type
  1. MLOK 1 item
  2. Picatinny 1 item
Handguard Length
  1. 15" 1 item
Handguard Style
  1. Free Float 1 item
Upper Type
  1. Rifle 2 items
Options
  1. W/ BCG & CH 31 items
  2. W/O BCG & CH 35 items
Barrel Length
  1. 16.1" 1 item
Material
  1. 416R Stainless Steel 3 items
  2. 4150 Chrome Moly Vanadium 2 items
  3. Aluminum 35 items
Inventory
  1. In Stock 14 items
  2. Out of Stock 21 items
Customer Rating
  1. 5
    2 items
  2. 4
    & up     3 items

Gun Parts

Whether you’re looking for a quality trigger upgrade for your Glock® pistol or AR-style carbine, an ergonomic pistol grip for your sporting rifle, drop-in magwell upgrade, or an ergonomic pistol brace, we at GunMag Warehouse offer a wide selection of gun parts and upgrades from top-selling brands like SB Tactical®, Magpul®, Tyrant Designs®, Sig Sauer®, and more. Shop our full collection of gun parts today!

  15. TacFire AR-15 Slick Side Stripped Upper Receiver
    TacFire AR-15 Slick Side Stripped Upper Receiver
    Out of stock
    (1)
    $99.99 $64.99 Save $35.00
  18. Bootleg AR-15 Stripped Upper Receiver
    Bootleg AR-15 Stripped Upper Receiver
    Out of stock
    $189.99 $179.99 Save $10.00
  19. Ballistic Advantage AR-15 Assembled Upper Receiver
    Ballistic Advantage AR-15 Assembled Upper Receiver
    Out of stock
    $140.99 $124.99 Save $16.00
  21. Ballistic Advantage AR-10 Assembled Upper Receiver
    Ballistic Advantage AR-10 Assembled Upper Receiver
    Out of stock
    $215.99 $194.99 Save $21.00
  22. Aero Precision M5 AR-10 Upper Receiver - BLK
    Aero Precision M5 AR-10 Upper Receiver
    Out of stock
    $180.99 $235.99 $174.99 $209.99 Save $26.00
  23. Aero Precision AR-15 Assembled Upper Receiver - BLK
    Aero Precision AR-15 Assembled Upper Receiver
    Out of stock
    $140.99 $160.99 $124.99 $144.99 Save $16.00
  24. Aero Precision AR-15 Stripped Upper Receiver - BLK
    Aero Precision AR-15 Stripped Upper Receiver
    Out of stock
    $115.99 $104.99 Save $11.00
  25. Lantac USR AR-15 Stripped Upper Receiver
    Lantac USR AR-15 Stripped Upper Receiver
    Out of stock
    $149.99 $139.99 Save $10.00
  26. Lantac UAR AR-15 Stripped Billet Upper Receiver
    Lantac UAR AR-15 Stripped Billet Upper Receiver
    Out of stock
    $254.99 $229.99 Save $25.00
  27. LBE Unlimited AR-15 Assembled Upper Receiver
    LBE Unlimited AR-15 Assembled Upper Receiver
    Out of stock
    $129.99 $104.99 Save $25.00
  28. Luth-AR A2 AR-15 Assembled Upper Receiver
    Luth-AR A2 AR-15 Assembled Upper Receiver
    Out of stock
    $214.99 $206.99 Save $8.00
  29. Luth-AR A2 AR-15 Stripped Upper Receiver
    Luth-AR A2 AR-15 Stripped Upper Receiver
    Out of stock
    $114.99 $108.99 Save $6.00
  31. Sharps Bros. SBUR04 AR-15 Assembled Billet Upper Receiver
    Sharps Bros. SBUR04 AR-15 Assembled Billet Upper Receiver
    Out of stock
    $259.99 $246.99 Save $13.00
  33. Odin Works AR-15 Billet Upper Receiver - Black
    Odin Works AR-15 Billet Upper Receiver
    Out of stock
    $160.99
  34. Aero Precision EPC-9 Assembled Upper Receiver - Black
    Aero Precision EPC-9 Assembled Upper Receiver
    Out of stock
    $185.99 $164.99 Save $21.00
  35. Bravo Company AR-15 Assembled Upper Receiver
    Bravo Company AR-15 Assembled Upper Receiver
    Out of stock
    $149.99 $129.99 Save $20.00
Filter