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    16"
Brand
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Thread Pattern
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  3. 5/8x24 45 items
  4. M18x1.5 3 items
Platform
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  2. AR-15 109 items
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  4. Primary Weapons Systems 3 items
  5. Q 1 item
  6. Rimfire 3 items
  7. Ruger 4 items
  8. Sig Sauer 3 items
Caliber
  1. 22 ARC 3 items
  2. 22 Long Rifle 5 items
  3. 223 Remington 53 items
  4. 223 Wylde 16 items
  5. 243 Winchester 2 items
  6. 300 AAC Blackout 10 items
  7. 308 Winchester 19 items
  8. 350 Legend 4 items
  9. 45 Auto (ACP) 4 items
  10. 458 Socom 1 item
  11. 5.56mm NATO 65 items
  12. 5.7 x 28mm 1 item
  13. 6mm ARC 7 items
  14. 6.5 Creedmoor 5 items
  15. 6.5 Grendel 1 item
  16. 7.62 x 39mm 3 items
  17. 7.62 × 51mm NATO 1 item
  18. 8.6 Blackout 5 items
  19. 9mm Luger 9 items
Attachment Type
  1. KeyMod 1 item
  2. MLOK 43 items
  3. Picatinny 7 items
Handguard Length
  1. 4" 7 items
  2. 7" 3 items
  3. 8.9" 1 item
  4. 9" 1 item
  5. 10" 9 items
  6. 12" 1 item
  7. 12.25" 2 items
  8. 13.5" 2 items
  9. 15" 26 items
  10. 16" 2 items
  11. Carbine Length 1 item
  12. Mid Length 1 item
Handguard Style
  1. Free Float 36 items
Upper Type
  1. Pistol 4 items
  2. Rifle 44 items
Options
  1. W/ BCG & CH 47 items
  2. W/O BCG & CH 8 items
Barrel Length
  1. 3.1" 7 items
  2. 3.15" 1 item
  3. 3.4" 3 items
  4. 3.43" 1 item
  5. 3.46" 4 items
  6. 3.5" 1 item
  7. 3.6" 2 items
  8. 3.68" 2 items
  9. 3.7" 6 items
  10. 3.76" 2 items
  11. 3.8" 2 items
  12. 3.88" 2 items
  13. 3.9" 5 items
  14. 3.97" 1 item
  15. 4" 12 items
  16. 4.02" 10 items
  17. 4.06" 2 items
  18. 4.1" 2 items
  19. 4.25" 1 item
  20. 4.3" 4 items
  21. 4.35" 1 item
  22. 4.4" 2 items
  23. 4.45" 2 items
  24. 4.46" 1 item
  25. 4.49" 13 items
  26. 4.5" 17 items
  27. 4.56" 1 item
  28. 4.57" 1 item
  29. 4.60" 13 items
  30. 4.625" 3 items
  31. 4.64" 1 item
  32. 4.68" 1 item
  33. 4.7" 1 item
  34. 4.75" 2 items
  35. 4.8" 1 item
  36. 4.9" 1 item
  37. 5" 34 items
  38. 5.03" 7 items
  39. 5.09" 1 item
  40. 5.1" 1 item
  41. 5.2" 4 items
  42. 5.25" 1 item
  43. 5.31" 2 items
  44. 5.5" 4 items
  45. 5.6" 1 item
  46. 5.75" 1 item
  47. 5.8" 1 item
  48. 6" 3 items
  49. 6.5" 3 items
  50. 6.61" 1 item
  51. 7" 8 items
  52. 7.5" 13 items
  53. 8" 15 items
  54. 8.3" 3 items
  55. 8.5" 4 items
  56. 9" 7 items
  57. 9.2" 1 item
  58. 10" 12 items
  59. 10.3" 4 items
  60. 10.4" 1 item
  61. 10.5" 27 items
  62. 11" 1 item
  63. 11.3" 2 items
  64. 11.5" 6 items
  65. 12" 6 items
  66. 12.3" 1 item
  67. 12.5" 13 items
  68. 13.7" 2 items
  69. 13.9" 4 items
  70. 14.5" 26 items
  71. 14.7" 3 items
  72. 16" 146 items
  73. 16.1" 19 items
  74. 16.25" 2 items
  75. 16.325" 1 item
  76. 16.5" 5 items
  77. 16.75" 1 item
  78. 17.7" 2 items
  79. 18" 62 items
  80. 18.5" 11 items
  81. 20" 69 items
  82. 21" 2 items
  83. 22" 20 items
  84. 24" 29 items
  85. 26" 21 items
  86. 28" 3 items
Material
  1. 416R Stainless Steel 41 items
  2. 4150 Chrome Moly Vanadium 22 items
  3. Aluminum 22 items
  4. Carbon Fiber 2 items
  5. Carbon Fiber / Steel 4 items
  6. Chrome Moly Venadium Steel 16 items
  7. Stainless Steel 8 items
  8. Steel 6 items
Inventory
  1. In Stock 85 items
  2. Out of Stock 61 items
Customer Rating
  1. 5
    4 items
  2. 3
    & up     5 items
  3. 2
    & up     6 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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  2. TacFire AR-15 7.62x39 Unassembled Upper Receiver Kit
    TacFire AR-15 7.62x39 Unassembled Upper Receiver Kit
    Out of stock
    $449.99 $299.99 $309.99 Save $150.00
  3. Ballistic Advantage Modern Series EPC AR-15 9mm 1:10 CMV Barrel
    Ballistic Advantage Modern Series EPC AR-15 9mm 1:10 CMV Barrel
    Out of stock
    $105.99 $155.99 $99.99 $147.99 Save $8.00
  4. Ballistic Advantage Premium AR-15 .22 ARC 1:7 Stainless Steel Barrel
    Ballistic Advantage Premium AR-15 .22 ARC 1:7 Stainless Steel Barrel
    Out of stock
    $245.99 $315.99 $232.99 $299.99 Save $16.00
  5. 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
    Out of stock
    $245.99 $275.99 $232.99 $261.99 Save $14.00
  6. Seekins Precision Match Grade AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    Seekins Precision Match Grade AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    Out of stock
    $395.99
  7. Primary Weapons Systems UXR Elite .308 Winchester Conversion Kit
    Primary Weapons Systems UXR Elite .308 Winchester Conversion Kit
    Out of stock
    $575.99 $499.99 Save $76.00
  8. Q The Fix 8.6 Blackout 1:3 Stainless Steel Barrel
    Q The Fix 8.6 Blackout 1:3 Stainless Steel Barrel
    Out of stock
    $515.00 $515.99
  13. Faxon ARAK-21 AR-15 7.62x39 Upper Receiver w/ Picatinny Handguard
    Faxon ARAK-21 AR-15 7.62x39 Upper Receiver w/ Picatinny Handguard
    Out of stock
    $999.99 $920.99 Save $79.00
  14. Rosco Purebred AR-15 6mm ARC 1:7.5 Stainless Steel Barrel
    Rosco Purebred AR-15 6mm ARC 1:7.5 Stainless Steel Barrel
    Out of stock
    $250.99 $270.99 $219.99 $243.99 Save $31.00
  15. Aim Sports AR-15 .223 / 5.56 Assembled Upper Receiver w/ Lower Build Kit
    Aim Sports AR-15 .223 / 5.56 Assembled Upper Receiver w/ Lower Build Kit
    Out of stock
    $599.99 $449.99 $462.99 Save $150.00
  16. Aim Sports AR-15 .223 / 5.56 Assembled Upper Receiver w/ M-LOK Handguard
    Aim Sports AR-15 .223 / 5.56 Assembled Upper Receiver w/ M-LOK Handguard
    Out of stock
    $459.99 $343.99 Save $116.00
  17. Faxon Firearms Ruger 10/22 .22 LR 1:16 SS Barrel
    Faxon Firearms Ruger 10/22 .22 LR 1:16 SS Barrel
    Out of stock
    $189.99 $190.99 $174.99 $175.99 Save $15.00
  18. Watchtower - F-1 AR-15 16" Mid-Length Gas .223 Wylde 1:8 Spiral Fluted SS Barrel
    Watchtower - F-1 AR-15 16" Mid-Length Gas .223 Wylde 1:8 Spiral Fluted SS Barrel
    Out of stock
    $279.99 $258.99 Save $21.00
  19. 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
  20. Primary Weapons Systems UXR Elite 7.62x39 Conversion Kit
    Primary Weapons Systems UXR Elite 7.62x39 Conversion Kit
    Out of stock
    $575.99 $499.99 Save $76.00
  23. CMMG AR-15 16" Rifle-Length Gas 6mm ARC 1:7.5 SS Barrel
    CMMG AR-15 16" Rifle-Length Gas 6mm ARC 1:7.5 SS Barrel
    Out of stock
    $239.99 $199.99 Save $40.00
  26. 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
    $119.99 $165.99 $102.99 $149.99 Save $20.00
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