My Cart ()
Back Close
Filters
Now Shopping by
  1. Color
    Black
  2. Thread Pattern
    5/8x24
  3. Platform
    AR-15
Brand
  1. Aero Precision 1 item
  2. American Tactical Imports 1 item
  3. Ballistic Advantage 5 items
  4. CMMG 2 items
  5. Diamondback 1 item
  6. Faxon Firearms 4 items
  7. LBE Unlimited 1 item
  8. Odin Works 5 items
  9. PROOF Research 1 item
  10. Rosco Manufacturing 1 item
  11. Sons of Liberty Gun Works 2 items
  12. TacFire Inc. 8 items
Color
  1. Armor Black 2 items
  2. Bead Blasted 5 items
  3. Black 32 items
  4. Black Nitride 1 item
  5. Carbon Fiber 2 items
  6. Midnight Bronze 1 item
  7. Silver 15 items
Thread Pattern
  1. .578x28 1 item
  2. 1/2x28 78 items
  3. 1/2x36 9 items
  4. 5/8x24 32 items
Platform
  1. AR-10 25 items
  2. AR-15 32 items
  3. Primary Weapons Systems 3 items
Caliber
  1. 223 Remington 1 item
  2. 223 Wylde 2 items
  3. 300 AAC Blackout 14 items
  4. 338 ARC 1 item
  5. 45 Auto (ACP) 4 items
  6. 5.56mm NATO 1 item
  7. 6mm ARC 6 items
  8. 6.5 Grendel 5 items
Attachment Type
  1. MLOK 6 items
Handguard Length
  1. 4" 3 items
  2. 5.5" 1 item
  3. 7" 1 item
  4. 10" 4 items
  5. 15" 2 items
Handguard Style
  1. Free Float 3 items
Upper Type
  1. Pistol 2 items
  2. Rifle 2 items
Options
  1. W/ BCG & CH 5 items
  2. W/O BCG & CH 1 item
Barrel Length
  1. 4" 3 items
  2. 4.5" 1 item
  3. 5" 3 items
  4. 6" 2 items
  5. 7" 2 items
  6. 7.5" 5 items
  7. 8" 4 items
  8. 8.3" 1 item
  9. 8.5" 2 items
  10. 9" 2 items
  11. 10" 5 items
  12. 10.3" 1 item
  13. 10.5" 7 items
  14. 11.5" 1 item
  15. 12" 1 item
  16. 12.5" 2 items
  17. 14.5" 2 items
  18. 16" 14 items
  19. 16.1" 4 items
  20. 18" 8 items
  21. 20" 5 items
  22. 21" 1 item
Material
  1. 416R Stainless Steel 12 items
  2. 4150 Chrome Moly Vanadium 5 items
  3. Carbon Fiber / Steel 1 item
  4. Chrome Moly Venadium Steel 4 items
  5. Stainless Steel 5 items
  6. Steel 2 items
Inventory
  1. In Stock 19 items
  2. Out of Stock 13 items
Customer Rating
  1. 5
    2 items
  2. 4
    & up     3 items
  3. 3
    & up     5 items
  4. 2
    & up     6 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!

  1. TacFire AR-15 Blow Back .45 ACP 1:16 4140 Chrome Moly Steel Barrel - 5/8x24 - 10.5"
    TacFire AR-15 Blowback .45 ACP 1:16 4140 Chrome Moly Steel Barrel - 5/8x24
    (1)
    $109.99 $79.99 $84.99 Save $30.00
  3. TacFire AR-15 .45 ACP Upper Receiver - 10"
    TacFire AR-15 .45 ACP Upper Receiver
    (1)
    $399.99 $279.99 $289.99 Save $120.00
  4. TacFire AR-15 300 Blackout Unassembled Pistol Kit w/ Lower Parts Kit - 10.5"
    TacFire AR-15 300 Blackout Unassembled Pistol Kit w/ Lower Parts Kit
    (1)
    $359.99 $499.99 $309.99 $329.99 Save $170.00
  5. TacFire AR-15 .45 ACP Unassembled Pistol Kit w/ Lower Parts Kit - 10"
    TacFire AR-15 .45 ACP Unassembled Pistol Kit w/ Lower Parts Kit
    $499.99 $309.99 $329.99 Save $190.00
  6. PROOF Research AR-15 18" Rifle-Length Gas .223 Wylde 1:7 Carbon Fiber-Wrapped Barrel
    PROOF Research AR-15 .223 Wylde 1:7 Carbon Fiber-Wrapped Barrel
    $999.99 $1,149.99 $899.99 $999.99 Save $150.00
  8. TacFire AR-15 Pistol-Length Gas .300 Blackout 1:8 Nitride Barrel - 16"
    TacFire AR-15 Pistol-Length Gas .300 Blackout 1:8 Nitride Barrel
    $101.99 $109.99 $79.99 $104.99 Save $25.00
  9. Faxon Firearms Match Series AR-15 Pistol-Length Gas .300 Blackout SS Barrel-9"-1:8
    Faxon Firearms Match Series AR-15 Pistol-Length Gas .300 Blackout SS Barrel
    $188.99 $197.99 $173.99 $182.99 Save $15.00
  10. Faxon Firearms Duty Series AR-15 .300 Blackout 1:8 4150 CMV Barrel-10.5"-Pistol
    Faxon Firearms Duty Series AR-15 .300 Blackout 1:8 4150 CMV Barrel
    $160.99 $173.99 $148.99 $160.99 Save $13.00
  11. TacFire AR-15 .45 ACP Unassembled Upper Receiver Kit - 4"
    TacFire AR-15 .45 ACP Unassembled Upper Receiver Kit
    $449.99 $269.99 $274.99 Save $180.00
  12. TacFire AR-15 .300 Blackout Upper Receiver - 10"
    TacFire AR-15 .300 Blackout Upper Receiver
    (2)
    $309.99 $399.99 $254.99 $299.99 Save $145.00
  14. CMMG AR-15 8" Pistol-Length Gas .300 Blackout 1:7 CM Barrel
    CMMG AR-15 .300 Blackout 1:7 CM Barrel
    $199.99 $224.99 $164.99 $179.99 Save $45.00
  15. Ballistic Advantage Modern AR-15 6" Pistol-Length Gas .300 Blackout 1:7 CMV Barrel
    Ballistic Advantage Modern Series AR-15 Pistol-Length Gas .300 BLK 1:7 CMV Barrel
    $155.99 $180.99 $84.99 $99.99 Save $81.00
  16. Ballistic Advantage Premium Black AR-15 16" Mid-Length Gas 6mm ARC 1:7 Stainless Steel Barrel
    Ballistic Advantage Premium Black Series AR-15 6mm ARC 1:7 SS Barrel
    $245.99 $275.99 $154.99 $184.99 Save $101.00
  17. Faxon Firearms Match Series AR-15 .338 ARC SS Barrel-12.5"-Pistol-1:8
    Faxon Firearms Match Series AR-15 .338 ARC SS Barrel
    $218.99 $224.99 $201.99 $207.99 Save $17.00
  21. Odin Works AR-15 21" Rifle+1" Length Gas 6mm ARC 1:7.5 416R Black Nitride Stainless Steel Barrel with Tunable Gas Block
    Odin Works AR-15 21 XL Rifle-Length Gas 6mm ARC 1:7.5 Stainless Steel Barrel with .875 Adjustable Gas Block
    Out of stock
    $399.99 $454.99 $379.99 $434.99 Save $20.00
  22. Odin Works AR-15 10.5 Pistol-Length Gas .300 Blackout 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Odin Works AR-15 .300 Blackout 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Out of stock
    $245.99 $325.99 $232.99 $308.99 Save $17.00
  24. Odin Works DMR Heavy AR-15 20" Rifle-Length Gas 6.5 Grendel 1:8 416R Black Nitride Stainless Steel Barrel with Tunable Gas Block
    Odin Works AR-15 6.5 Grendel 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Out of stock
    $335.99 $360.99 $318.99 $342.99 Save $18.00
  25. Odin Works DMR Heavy AR-15 18" Intermediate-Length Gas 6.5 Grendel 1:8 416R Black Nitride Stainless Steel Barrel with Tunable Gas Block
    Odin Works AR-15 18" Intermediate-Length Gas 6.5 Grendel 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Out of stock
    $360.99 $390.99 $342.99 $370.99 Save $20.00
  30. Sons of Liberty Gun Works Precision SPR V2 AR-15 .223 Wylde 1:7 Stainless Steel Barrel - 16"
    Sons of Liberty Gun Works Precision SPR V2 AR-15 .223 Wylde 1:7 Stainless Steel Barrel
    Out of stock
    $399.99
Filter