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Inventory
  1. In Stock 37 items
  2. Out of Stock 23 items
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    3 items
  2. 4
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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!

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  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
  2. 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
  3. 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
  4. Ballistic Advantage Modern AR-15 16" Pistol-Length Gas .300 BLK 1:7 CMV Barrel
    Ballistic Advantage Modern Series AR-15 Pistol-Length Gas .300 BLK 1:7 CMV Barrel
    $155.99 $180.99 $147.99 $171.99 Save $9.00
  5. TacFire AR-10 .308 / 7.62x51mm Upper Receiver - 10"
    TacFire AR-10 .308 / 7.62x51mm Upper Receiver
    $499.99 $354.99 $369.99 Save $145.00
  6. 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
  7. TacFire AR-10 .308 / 7.62x51 Unassembled Rifle Kit w/ Lower Parts Kit - 16"
    TacFire AR-10 .308 / 7.62x51 Unassembled Rifle Kit w/ Lower Parts Kit
    (1)
    $699.99 $419.99 Save $280.00
  8. Faxon Firearms Match Series AR-10 20" Rifle-Length Gas .308 Winchester 1:10 Stainless Steel Barrel
    Faxon Firearms Match Series AR-10 .308 Winchester Stainless Steel Barrel
    $319.99 $322.99 $294.99 $297.99 Save $25.00
  10. 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
    $399.99
  12. Ballistic Advantage Modern AR-10 18" Rifle-Length Gas .308 Winchester 1:10 CMV Barrel
    Ballistic Advantage Modern AR-10 .308 Win 1:10 CMV Barrel
    $199.99 $250.99 $199.99 $237.99 Save $13.00
  13. Ballistic Advantage Premium Black AR-15 20" Rifle-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 $232.99 $261.99 Save $14.00
  14. CMMG AR-15 12.5" 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. Primary Weapons Systems UXR Elite .300 Blackout 10.5" Conversion Kit
    Primary Weapons Systems UXR Elite .300 Blackout Conversion Kit
    $575.99 $499.99 Save $76.00
  16. 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
  17. 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
  18. TacFire AR-15 .45 ACP Upper Receiver - 10"
    TacFire AR-15 .45 ACP Upper Receiver
    (2)
    $399.99 $279.99 $289.99 Save $120.00
  19. 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
  20. 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
  21. Faxon Firearms Match Series AR-10 20" Rifle-Length Gas .308 Win 1:10 SS Barrel
    Faxon Firearms Match Series AR-10 20" Rifle-Length Gas .308 Win 1:10 SS Barrel
    $324.99 $299.99 Save $25.00
  26. 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
  31. TacFire AR-15 5" Micro-Length Gas .300 Blackout 1:7 Nitride Barrel
    TacFire AR-15 .300 Blackout Stainless Steel Barrel
    $101.99 $109.99 $79.99 $104.99 Save $30.00
  33. Ballistic Advantage Premium Black AR-10 18" Rifle-Length Gas .308 Winchester 1:10 Stainless Steel Barrel
    Ballistic Advantage Premium Black AR-10 .308 Winchester Stainless Steel Barrel
    $270.99 $280.99 $256.99 $266.99 Save $14.00
  36. Ballistic Advantage Performance AR-15 8.3" Pistol-Length Gas .300 Blackout 1:7 CMV Barrel w/ Lo Pro Gas Block
    Ballistic Advantage Performance AR-15 .300 Blackout CMV Barrel w/ Lo Pro Gas Block
    $199.99 $209.99
  40. 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
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