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  1. Color
    Black
  2. Barrel Length
    12.5"
Brand
  1. Ballistic Advantage 3 items
  2. CMMG 1 item
  3. Faxon Firearms 4 items
  4. Odin Works 1 item
Color
  1. Armor Black 1 item
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  3. Black 9 items
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Thread Pattern
  1. 1/2x28 4 items
  2. 5/8x24 4 items
Platform
  1. AR-10 2 items
  2. AR-15 7 items
Caliber
  1. 223 Remington 4 items
  2. 223 Wylde 1 item
  3. 300 AAC Blackout 1 item
  4. 308 Winchester 1 item
  5. 338 ARC 1 item
  6. 5.56mm NATO 4 items
  7. 7.62 x 39mm 1 item
  8. 8.6 Blackout 1 item
Attachment Type
  1. Picatinny 2 items
Upper Type
  1. Rifle 2 items
Options
  1. W/ BCG & CH 2 items
Barrel Length
  1. 3.1" 5 items
  2. 3.4" 1 item
  3. 3.46" 4 items
  4. 3.5" 1 item
  5. 3.68" 2 items
  6. 3.7" 2 items
  7. 3.76" 1 item
  8. 3.8" 1 item
  9. 3.9" 3 items
  10. 3.97" 1 item
  11. 4" 8 items
  12. 4.02" 5 items
  13. 4.06" 2 items
  14. 4.1" 2 items
  15. 4.3" 3 items
  16. 4.4" 1 item
  17. 4.45" 2 items
  18. 4.46" 1 item
  19. 4.49" 8 items
  20. 4.5" 14 items
  21. 4.56" 1 item
  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
  42. 7" 7 items
  43. 7.5" 11 items
  44. 8" 10 items
  45. 8.3" 2 items
  46. 8.5" 4 items
  47. 9" 3 items
  48. 9.2" 1 item
  49. 10" 10 items
  50. 10.3" 3 items
  51. 10.4" 1 item
  52. 10.5" 19 items
  53. 11" 1 item
  54. 11.3" 2 items
  55. 11.5" 4 items
  56. 12" 3 items
  57. 12.3" 1 item
  58. 12.5" 9 items
  59. 13.7" 2 items
  60. 13.9" 4 items
  61. 14.5" 19 items
  62. 14.7" 3 items
  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 3 items
  2. 4150 Chrome Moly Vanadium 1 item
  3. Aluminum 2 items
  4. Chrome Moly Venadium Steel 3 items
  5. Stainless Steel 1 item
Inventory
  1. In Stock 6 items
  2. Out of Stock 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!

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. Faxon ARAK-21 AR-15 5.56 NATO Upper Receiver w/ Picatinny Handguard-12.5"
    Faxon ARAK-21 AR-15 5.56 NATO Upper Receiver w/ Picatinny Handguard
    $999.99 $920.99 Save $79.00
  7. Ballistic Advantage Premium Black AR-10 8" Pistol-Length Gas 8.6 Blackout 1:3 Stainless Steel Barrel
    Ballistic Advantage Premium Black Series AR-10 8.6 Blackout 1:3 Stainless Steel Barrel
    Out of stock
    $255.99 $265.99 $242.99 $251.99 Save $14.00
  8. Odin Works AR-15 16.1" Mid-Length Gas .223 Wylde 1:8 Black Nitride Stainless Steel Barrel with Tunable Gas Block
    Odin Works AR-15 .223 Wylde 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Out of stock
    $205.99 $345.99 $194.99 $327.99 Save $18.00
  9. Faxon ARAK-21 AR-15 7.62x39 Upper Receiver w/ Picatinny Handguard -12.5"
    Faxon ARAK-21 AR-15 7.62x39 Upper Receiver w/ Picatinny Handguard
    Out of stock
    $999.99 $920.99 Save $79.00
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