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  1. Barrel Length
    16"
Brand
  1. Aero Precision 3 items
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  28. TacFire Inc. 25 items
  29. WMD Guns 1 item
Color
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  2. Black 100 items
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Thread Pattern
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  2. 1/2x36 6 items
  3. 5/8x24 39 items
  4. M18x1.5 3 items
Platform
  1. AR-10 18 items
  2. AR-15 105 items
  3. AR-9 1 item
  4. Primary Weapons Systems 3 items
  5. Q 1 item
  6. Rimfire 2 items
  7. Ruger 3 items
  8. Sig Sauer 3 items
Caliber
  1. 22 ARC 2 items
  2. 22 Long Rifle 6 items
  3. 223 Remington 53 items
  4. 223 Wylde 19 items
  5. 243 Winchester 1 item
  6. 300 AAC Blackout 10 items
  7. 308 Winchester 17 items
  8. 350 Legend 5 items
  9. 45 Auto (ACP) 4 items
  10. 458 Socom 2 items
  11. 5.56mm NATO 63 items
  12. 5.7 x 28mm 1 item
  13. 6mm ARC 7 items
  14. 6.5 Creedmoor 2 items
  15. 6.5 Grendel 1 item
  16. 7.62 x 39mm 2 items
  17. 7.62 × 51mm NATO 1 item
  18. 8.6 Blackout 3 items
  19. 9mm Luger 5 items
Attachment Type
  1. KeyMod 1 item
  2. MLOK 43 items
  3. Picatinny 9 items
Handguard Length
  1. 4" 7 items
  2. 7" 3 items
  3. 9" 1 item
  4. 10" 9 items
  5. 11.8" 2 items
  6. 12" 1 item
  7. 12.25" 2 items
  8. 12.5" 1 item
  9. 13" 1 item
  10. 13.5" 3 items
  11. 15" 24 items
  12. 16" 2 items
  13. Carbine Length 1 item
  14. Mid Length 1 item
Handguard Style
  1. Free Float 37 items
Upper Type
  1. Pistol 4 items
  2. Rifle 46 items
Options
  1. W/ BCG & CH 52 items
  2. W/O BCG & CH 4 items
Barrel Length
  1. 3.1" 5 items
  2. 3.15" 1 item
  3. 3.4" 1 item
  4. 3.43" 1 item
  5. 3.46" 1 item
  6. 3.5" 1 item
  7. 3.6" 1 item
  8. 3.7" 6 items
  9. 3.76" 2 items
  10. 3.8" 2 items
  11. 3.88" 2 items
  12. 3.9" 10 items
  13. 3.97" 1 item
  14. 4" 12 items
  15. 4.02" 8 items
  16. 4.06" 1 item
  17. 4.1" 2 items
  18. 4.25" 1 item
  19. 4.3" 6 items
  20. 4.35" 1 item
  21. 4.4" 3 items
  22. 4.45" 2 items
  23. 4.46" 1 item
  24. 4.49" 7 items
  25. 4.5" 19 items
  26. 4.56" 1 item
  27. 4.57" 1 item
  28. 4.60" 5 items
  29. 4.625" 2 items
  30. 4.64" 1 item
  31. 4.68" 1 item
  32. 4.7" 3 items
  33. 4.75" 2 items
  34. 4.8" 2 items
  35. 4.9" 2 items
  36. 4.99" 1 item
  37. 5" 36 items
  38. 5.03" 2 items
  39. 5.09" 1 item
  40. 5.1" 1 item
  41. 5.2" 4 items
  42. 5.31" 2 items
  43. 5.46" 1 item
  44. 5.5" 4 items
  45. 5.6" 1 item
  46. 5.75" 1 item
  47. 5.8" 1 item
  48. 6" 4 items
  49. 6.5" 4 items
  50. 6.61" 1 item
  51. 7" 9 items
  52. 7.5" 14 items
  53. 8" 8 items
  54. 8.3" 1 item
  55. 8.5" 2 items
  56. 9" 3 items
  57. 10" 11 items
  58. 10.3" 3 items
  59. 10.4" 1 item
  60. 10.5" 24 items
  61. 11.5" 7 items
  62. 12" 4 items
  63. 12.3" 1 item
  64. 12.5" 12 items
  65. 13.7" 2 items
  66. 13.9" 5 items
  67. 13.95" 1 item
  68. 14.5" 23 items
  69. 14.7" 2 items
  70. 16" 133 items
  71. 16.1" 18 items
  72. 16.25" 1 item
  73. 16.5" 4 items
  74. 16.75" 1 item
  75. 17.7" 2 items
  76. 18" 50 items
  77. 18.5" 10 items
  78. 20" 57 items
  79. 22" 15 items
  80. 24" 25 items
  81. 26" 21 items
  82. 28" 3 items
Material
  1. 416R Stainless Steel 31 items
  2. 4150 Chrome Moly Vanadium 21 items
  3. Aluminum 19 items
  4. Carbon Fiber 2 items
  5. Carbon Fiber / Steel 4 items
  6. Chrome Moly Venadium Steel 14 items
  7. Stainless Steel 10 items
  8. Steel 4 items
  9. Steel / Polymer 2 items
Inventory
  1. In Stock 85 items
  2. Out of Stock 41 items
Customer Rating
  1. 5
    6 items
  2. 3
    & up     9 items
  3. 2
    & up     10 items
  4. 1
    & up     11 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. Battle Arms Development Authority Elite AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Battle Arms Development Authority Elite AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    $865.99 $824.99 Save $41.00
  2. Battle Arms Development Authority Elite Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Battle Arms Development Authority Elite Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    $865.99 $824.99 Save $41.00
  3. Battle Arms Development Lightweight PCC AR-15 9mm 1:10 CRMV Barrel
    Battle Arms Development Lightweight PCC AR-15 9mm 1:10 CRMV Barrel
    Out of stock
    $165.99 $149.99 Save $16.00
  4. TacFire AR-10 .308 / 7.62x51mm Upper Receiver
    TacFire AR-10 .308 / 7.62x51mm Upper Receiver
    (1)
    $499.99 $354.99 $369.99 Save $145.00
  5. TacFire AR-15 .300 Blackout Unassembled Upper Receiver Kit
    TacFire AR-15 .300 Blackout Unassembled Upper Receiver Kit
    $499.99 $259.99 $269.99 Save $240.00
  6. Q The Fix 8.6 Blackout 1:3 Stainless Steel Barrel
    Q The Fix 8.6 Blackout 1:3 Stainless Steel Barrel
    $515.00 $515.99
  10. Battle Arms Development WORKHORSE AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Battle Arms Development WORKHORSE AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    $724.99 $692.99 Save $32.00
  12. Ballistic Advantage Premium Black AR-15 .22 ARC 1:7 Stainless Steel Barrel
    Ballistic Advantage Premium Black AR-15 .22 ARC 1:7 Stainless Steel Barrel
    $245.99 $265.99 $232.99 $251.99 Save $14.00
  13. Ballistic Advantage Premium Black Series AR-15 6mm ARC 1:7 SS 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. Sig Sauer Cross .308 Winchester Caliber X-Change Kit
    Sig Sauer Cross .308 Winchester Caliber X-Change Kit
    $599.99 $699.99 $499.99 $584.99 Save $115.00
  15. Rosco K9 AR-15 5.56 NATO 1:7 Stainless Steel Barrel
    Rosco K9 AR-15 5.56 NATO 1:7 Stainless Steel Barrel
    $215.99 $225.99 $193.99 $225.99 Save $22.00
  17. PROOF Research AR-15 .300 BLK Stainless Steel Barrel
    PROOF Research AR-15 .300 BLK Stainless Steel Barrel
    $629.99 $749.99 $499.99 $579.99 Save $170.00
  18. PROOF Research AR-15 6mm ARC 1:7.5 Carbon Fiber-Wrapped Barrel
    PROOF Research AR-15 6mm ARC 1:7.5 Carbon Fiber-Wrapped Barrel
    $1,149.99 $729.99 $999.99 Save $420.00
  19. PROOF Research AR-15 6mm ARC 1:7.5 Stainless Steel Barrel
    PROOF Research AR-15 6mm ARC 1:7.5 Stainless Steel Barrel
    $749.99 $529.99 $579.99 Save $220.00
  20. PROOF Research Sig Sauer Cross 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Sig Sauer Cross 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,199.99 $799.99 $929.99 Save $400.00
  21. PROOF Research Sig Sauer Cross .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Sig Sauer Cross .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,299.99 $799.99 $929.99 Save $500.00
  22. Daniel Defense AR-15 16" 5.56 1:7 CHF CMV Barrel
    Daniel Defense AR-15 16" 5.56 1:7 CHF CMV Barrel
    $375.99 $394.99 $348.99 $365.99 Save $29.00
  23. Ballistic Advantage Premium Series AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    Ballistic Advantage Premium Series AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    (1)
    $200.99 $300.99 $190.99 $285.99 Save $15.00
  24. Ballistic Advantage Premium Black Series AR-15 .223 Wylde 1:8 SS Barrel w/ OPS 12
    Ballistic Advantage Premium Black Series AR-15 .223 Wylde 1:8 SS Barrel w/ OPS 12
    $205.99 $220.99 $194.99 $209.99 Save $11.00
  25. Battle Arms Development WORKHORSE Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Battle Arms Development WORKHORSE Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    $692.99 $659.99 Save $33.00
  26. PROOF Research AR-15 .223 Wylde Stainless Steel Barrel
    PROOF Research AR-15 .223 Wylde Stainless Steel Barrel
    $629.99 $749.99 $464.99 $649.99 Save $220.00
  28. Ballistic Advantage Performance Series AR-15 5.56 1:7 CMV Barrel w/ .625 Lo Pro Gas Block
    Ballistic Advantage Performance Series AR-15 5.56 1:7 CMV Barrel w/ .625 Lo Pro Gas Block
    $245.99 $232.99 Save $13.00
  30. Ballistic Advantage Modern AR-10 .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
  31. Faxon Firearms Duty Series AR-10 .308 WIN 1:10 4150 CMV Barrel
    Faxon Firearms Duty Series AR-10 .308 WIN 1:10 4150 CMV Barrel
    $236.99 $218.99 Save $18.00
  32. TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit
    TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit
    (1)
    $399.99 $264.99 $299.99 Save $135.00
  34. TacFire AR-15 .45 ACP Upper Receiver
    TacFire AR-15 .45 ACP Upper Receiver
    (2)
    $399.99 $279.99 $289.99 Save $120.00
  35. Faxon Firearms Ruger 10/22 .22 LR 1:16 SS Barrel
    Faxon Firearms Ruger 10/22 .22 LR 1:16 SS Barrel
    $189.99 $190.99 $174.99 $175.99 Save $15.00
  37. Faxon Firearms Duty Series AR-15 5.56 NATO 1:8 4150 CMV Barrel
    Faxon Firearms Duty Series AR-15 5.56 NATO 1:8 4150 CMV Barrel
    $169.99 $191.99 $156.99 $176.99 Save $15.00
  38. FN Button-Rifled AR-15 5.56 NATO 1:7 CMV Barrel
    FN Button-Rifled AR-15 5.56 NATO 1:7 CMV Barrel
    $299.99 $238.99 $279.99 Save $61.00
  39. Ballistic Advantage Premium AR-15 Mid-Length Gas .223 Wylde 1:8 SS Barrel w/ .750 Lo Pro Gas Block
    Ballistic Advantage Premium AR-15 Mid-Length Gas .223 Wylde 1:8 SS Barrel w/ .750 Lo Pro Gas Block
    $245.99 $260.99 $232.99 $247.99 Save $13.00
  40. Sons of Liberty Gun Works Precision SPR V2 AR-15 .223 Wylde 1:7 Stainless Steel Barrel
    Sons of Liberty Gun Works Precision SPR V2 AR-15 .223 Wylde 1:7 Stainless Steel Barrel
    $399.99
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