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Thread Pattern
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  4. M18x1.5 1 item
Platform
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  2. AR-15 81 items
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Caliber
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  9. 45 Auto (ACP) 3 items
  10. 458 Socom 1 item
  11. 5.56mm NATO 52 items
  12. 5.7 x 28mm 1 item
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  15. 7.62 x 39mm 2 items
  16. 7.62 × 51mm NATO 1 item
  17. 8.6 Blackout 2 items
  18. 9mm Luger 9 items
Attachment Type
  1. KeyMod 1 item
  2. MLOK 33 items
  3. Picatinny 6 items
Handguard Length
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  2. 7" 3 items
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  4. 9" 1 item
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  6. 12" 1 item
  7. 12.25" 1 item
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  9. 15" 22 items
  10. 16" 2 items
  11. Carbine Length 1 item
  12. Mid Length 1 item
Handguard Style
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Upper Type
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  2. Rifle 35 items
Options
  1. W/ BCG & CH 35 items
  2. W/O BCG & CH 7 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" 104 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 20 items
  2. 4150 Chrome Moly Vanadium 21 items
  3. Aluminum 21 items
  4. Carbon Fiber / Steel 1 item
  5. Chrome Moly Venadium Steel 14 items
  6. Stainless Steel 4 items
  7. Steel 6 items
Inventory
  1. In Stock 64 items
  2. Out of Stock 40 items
Customer Rating
  1. 5
    3 items
  2. 3
    & up     4 items
  3. 2
    & up     5 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!

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  1. TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit- 5"
    TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit
    $399.99 $264.99 $299.99 Save $135.00
  2. 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. 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
  4. 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
  5. 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
  6. 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
  7. TacFire AR-15 .223 / 5.56 Upper Receiver - 14.5"
    TacFire AR-15 .223 / 5.56 Upper Receiver
    (1)
    $299.99 $259.99 $299.99 Save $40.00
  8. 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
  9. Panzer Arms AR57 ULT AR-15 Steel 5.7x28mm Upper Receiver w/ M-LOK Handguard - 12"
    Panzer Arms AR57 ULT AR-15 Steel 5.7x28mm Upper Receiver w/ M-LOK Handguard
    $644.99 $599.99 $619.99 Save $45.00
  10. TacFire AR-15 9mm Upper Receiver - 10"
    TacFire AR-15 9mm Upper Receiver
    $314.99 $259.99 $279.99 Save $55.00
  14. TacFire AR-15 Blow Back 9mm 1:10 4150 Chrome Moly Vanadium Barrel - 1/2x36 - 10"
    TacFire AR-15 Blowback 9mm 1:10 4150 Chrome Moly Vanadium Barrel - 1/2x36
    $109.99 $64.99 $84.99 Save $45.00
  15. TacFire AR-15 Carbine-Length Gas .223 / 5.56 1:8 Nitride Barrel - 14.5"
    TacFire AR-15 Carbine-Length Gas .223 / 5.56 1:8 Nitride Barrel
    $115.99 $119.99 $69.99 $84.99 Save $50.00
  16. 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
  17. 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
  18. 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
  19. 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
  20. Ballistic Advantage Premium Black AR-15 14.5" Mid-Length Gas .223 Wylde 1:8 SS Barrel
    Ballistic Advantage Premium Black AR-15 Mid-Length Gas .223 Wylde 1:8 Stainless Steel Barrel w/ .750 Lo Pro Gas Block
    $245.99 $134.99 $139.99 Save $111.00
  21. Ballistic Advantage Premium AR-15 16" Mid-Length Gas .223 Wylde 1:8 Stainless Steel QPQ Barrel with OPS 12
    Ballistic Advantage Premium Black Series AR-15 .223 Wylde 1:8 SS Barrel w/ OPS 12
    $205.99 $220.99 $129.99 $139.99 Save $81.00
  22. Ballistic Advantage Classic AR-15 14.5" Carbine-Length Gas 5.56 1:7 CMV CL Barrel
    Ballistic Advantage Classic Series AR-15 Carbine-Length Gas 5.56 1:7 CMV CL Barrel
    $180.99 $185.99 $109.99 Save $76.00
  23. Primary Weapons Systems UXR Elite .223 Wylde 14.5" Conversion Kit
    Primary Weapons Systems UXR Elite .223 Wylde Conversion Kit
    $575.99 $439.99 Save $136.00
  24. Faxon Firearms Duty Series AR-10 8.6 Blackout 1:3 4150 CMV Barrel-12"-Pistol
    Faxon Firearms Duty Series AR-10 8.6 Blackout 1:3 4150 CMV Barrel
    $232.99 $244.99 $214.99 $225.99 Save $19.00
  25. 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
  26. 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
  28. 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
  30. Ballistic Advantage Modern AR-15 14.7" Mid-Length 5.56 1:7 CMV Barrel
    Ballistic Advantage Modern Series AR-15 Mid-Length Gas 5.56 1:7 CMV Pencil Barrel
    $170.99 $180.99 $161.99 $171.99 Save $9.00
  31. TacFire AR-15 9mm Unassembled Upper Receiver Kit - 4"
    TacFire AR-15 9mm Unassembled Upper Receiver Kit
    $399.99 $259.99 Save $140.00
  33. 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
  36. Battle Arms Development WORKHORSE Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard - Black
    Battle Arms Development WORKHORSE Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Out of stock
    $692.99 $659.99 Save $33.00
  37. 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
  38. 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
  39. 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
  40. Ballistic Advantage Performance AR-15 10.3" Carbine-Length Gas 5.56 1:7 CMV Barrel w/ Lo Pro Gas Block
    Ballistic Advantage Performance Series AR-15 5.56 1:7 CMV Barrel w/ .750 Lo Pro Gas Block
    Out of stock
    $205.99 $235.99 $194.99 $223.99 Save $12.00
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