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  1. Color
    Black
  2. Barrel Length
    20"
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  1. Aero Precision 3 items
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Color
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  2. 15" 4 items
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Upper Type
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Options
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  2. W/O BCG & CH 3 items
Barrel Length
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  2. 3.4" 1 item
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  6. 3.7" 2 items
  7. 3.76" 1 item
  8. 3.8" 1 item
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  19. 4.49" 8 items
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  22. 4.57" 1 item
  23. 4.60" 10 items
  24. 4.625" 1 item
  25. 4.7" 1 item
  26. 4.75" 1 item
  27. 4.8" 1 item
  28. 4.9" 1 item
  29. 5" 22 items
  30. 5.03" 4 items
  31. 5.09" 1 item
  32. 5.1" 1 item
  33. 5.2" 3 items
  34. 5.25" 1 item
  35. 5.31" 2 items
  36. 5.5" 4 items
  37. 5.6" 1 item
  38. 5.75" 1 item
  39. 5.8" 1 item
  40. 6" 2 items
  41. 6.61" 1 item
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  48. 9.2" 1 item
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  54. 11.3" 2 items
  55. 11.5" 4 items
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  57. 12.3" 1 item
  58. 12.5" 9 items
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  60. 13.9" 4 items
  61. 14.5" 19 items
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  63. 16" 106 items
  64. 16.1" 11 items
  65. 16.25" 2 items
  66. 16.325" 1 item
  67. 16.5" 1 item
  68. 16.75" 1 item
  69. 17.7" 1 item
  70. 18" 33 items
  71. 18.5" 8 items
  72. 20" 25 items
  73. 21" 1 item
  74. 22" 2 items
  75. 24" 4 items
  76. 26" 2 items
  77. 28" 3 items
Material
  1. 416R Stainless Steel 11 items
  2. 4150 Chrome Moly Vanadium 2 items
  3. Aluminum 1 item
  4. Carbon Fiber / Steel 1 item
  5. Chrome Moly Venadium Steel 4 items
  6. Stainless Steel 2 items
  7. Steel 1 item
Inventory
  1. In Stock 18 items
  2. Out of Stock 7 items
Customer Rating
  1. 4
    & up     1 item

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. FN M4 Profile AR-15 14.7" Carbine-Length Gas 5.56 NATO 1:7 CHF CL Barrel
    FN AR-15 5.56 NATO 1:7 CMV CHF CL Barrel
    $399.99 $269.99 $289.99 Save $130.00
  2. 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
  3. Ballistic Advantage Modern AR-15 7.5" Pistol-Length Gas 5.56 1:7 CMV Barrel
    Ballistic Advantage Modern Series AR-15 5.56 1:7 CMV Barrel
    $125.99 $195.99 $69.99 $99.99 Save $96.00
  4. 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
  5. TacFire AR-10 Mid-Length Gas .308 / 7.62x51 1:10 4150 Nitride Barrel - 16"
    TacFire AR-10 Mid-Length Gas .308 / 7.62x51 1:10 4150 Nitride Barrel
    $134.99 $139.99 $111.99 $119.99 Save $23.00
  6. TacFire AR-10 308 / 7.62x51 Upper Receiver without Forward Assist - 16"
    TacFire AR-10 .308 / 7.62x51 Upper Receiver without Forward Assist
    $599.99 $369.99 Save $230.00
  8. 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
  9. 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
    $699.99 $419.99 Save $280.00
  10. Ballistic Advantage Premium AR-15 20" Rifle-Length Gas .223 Wylde 1:8 QPQ Stainless Steel Barrel
    Ballistic Advantage Premium Black Series AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    $200.99 $270.99 $190.99 $256.99 Save $14.00
  13. Faxon Firearms Duty Series AR-15 5.56 NATO 1:8 4150 CMV Barrel -10.5"-Carbine-SOCOM
    Faxon Firearms Duty Series AR-15 5.56 NATO 1:8 4150 CMV Barrel
    $163.99 $191.99 $150.99 $176.99 Save $15.00
  14. 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
  15. Faxon Firearms Match Series AR-10 18" 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
  16. Faxon Firearms Match Series AR-15 16" Rifle-Length Gas 22 ARC 1:7 Stainless Steel Barrel
    Faxon Firearms Match Series AR-15 Rifle-Length Gas 22 ARC 1:7 Stainless Steel Barrel
    $236.99 $310.99 $218.99 $286.99 Save $24.00
  17. Ballistic Advantage Modern AR-10 12.5" Carbine-Length Gas .308 Win 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
  18. FN Button-Rifled AR-15 5.56 NATO 1:7 CMV Barrel - 10.5" - Carbine
    FN Button-Rifled AR-15 5.56 NATO 1:7 CMV Barrel
    $299.99 $238.99 $279.99 Save $61.00
  20. 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
  21. Ballistic Advantage Performance AR-15 18" Carbine-Length Gas .350 Legend 1:16 CMV Barrel
    Ballistic Advantage Performance Series AR-15 Carbine-Length Gas .350 Legend 1:16 CMV Barrel
    Out of stock
    $215.99 $260.99 $204.99 $247.99 Save $13.00
  22. 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. Ballistic Advantage Premium Black AR-15 16" Rifle-Length Gas .22 ARC 1:7 Stainless Steel Barrel
    Ballistic Advantage Premium Black AR-15 .22 ARC 1:7 Stainless Steel Barrel
    Out of stock
    $245.99 $275.99 $232.99 $261.99 Save $14.00
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