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    Black
  2. Barrel Length
    18"
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Upper Type
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Options
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Barrel Length
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  2. 3.4" 1 item
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  22. 4.57" 1 item
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  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
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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 12 items
  2. 4150 Chrome Moly Vanadium 4 items
  3. Carbon Fiber / Steel 1 item
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  5. Stainless Steel 2 items
  6. Steel 4 items
Inventory
  1. In Stock 20 items
  2. Out of Stock 13 items
Customer Rating
  1. 5
    1 item
  2. 3
    & up     2 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. 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
  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
  6. 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
  7. 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
  11. RISE Armament AR-15 18" SS 6mm ARC Assembled Upper Receiver with Free Float 15" M-LOK Handguard - BLK
    RISE Armament AR-15 18" SS 6mm ARC Assembled Upper Receiver with Free-Float 15" M-LOK Handguard
    $1,199.99 $999.99 Save $200.00
  12. 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
  14. 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
  15. 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. 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
  19. 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
  20. 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
  26. 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
  27. Odin Works DMR Heavy AR-15 18" Intermediate-Length Gas 6.5 Grendel 1:8 416R Black Nitride Stainless Steel Barrel with Tunable Gas Block
    Odin Works AR-15 18" Intermediate-Length Gas 6.5 Grendel 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Out of stock
    $360.99 $390.99 $342.99 $370.99 Save $20.00
  28. 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
  29. Seekins Precision Match Grade AR-15 16" Mid-Length 0.750" Gas .223 Wylde 1:8 Stainless Steel 5R Rifled 1/2x28 Barrel
    Seekins Precision Match Grade AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    Out of stock
    $395.99
  31. RISE Armament AR-15 18" SS 22 ARC Assembled Upper Receiver with Free Float 15" M-LOK Handguard - BLK
    RISE Armament AR-15 18" SS 22 ARC Assembled Upper Receiver with Free Float 15" M-LOK Handguard
    $1,199.99 $999.99 Save $200.00
  33. Sons of Liberty Gun Works Precision SPR V2 AR-15 .223 Wylde 1:7 Stainless Steel Barrel - 16"
    Sons of Liberty Gun Works Precision SPR V2 AR-15 .223 Wylde 1:7 Stainless Steel Barrel
    $399.99
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