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    5/8x24
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Caliber
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Handguard Length
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  10. 15" 7 items
  11. 17.5" 1 item
Handguard Style
  1. Free Float 15 items
Upper Type
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Options
  1. W/ BCG & CH 16 items
  2. W/O BCG & CH 4 items
Barrel Length
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  19. 16" 45 items
  20. 16.1" 7 items
  21. 16.5" 3 items
  22. 18" 36 items
  23. 18.5" 2 items
  24. 20" 47 items
  25. 21" 2 items
  26. 22" 17 items
  27. 24" 24 items
  28. 26" 19 items
Material
  1. 416R Stainless Steel 53 items
  2. 4150 Chrome Moly Vanadium 10 items
  3. Aluminum 7 items
  4. Carbon Fiber 20 items
  5. Carbon Fiber / Steel 19 items
  6. Chrome Moly Venadium Steel 4 items
  7. Stainless Steel 56 items
  8. Steel 2 items
Inventory
  1. In Stock 95 items
  2. Out of Stock 77 items
Customer Rating
  1. 5
    3 items
  2. 4
    & up     5 items
  3. 3
    & up     8 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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  7. TacFire AR-15 .300 Blackout Stainless Steel Barrel
    TacFire AR-15 .300 Blackout Stainless Steel Barrel
    $101.99 $109.99 $79.99 $104.99 Save $30.00
  8. Ballistic Advantage Premium Black AR-10 .308 Winchester Stainless Steel Barrel
    Ballistic Advantage Premium Black AR-10 .308 Winchester Stainless Steel Barrel
    $270.99 $280.99 $256.99 $266.99 Save $14.00
  11. CMMG AR-15 .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
  12. 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
  14. Ballistic Advantage Performance AR-15 .300 Blackout CMV Barrel w/ Lo Pro Gas Block
    Ballistic Advantage Performance AR-15 .300 Blackout CMV Barrel w/ Lo Pro Gas Block
    $199.99 $209.99
  16. CMMG DISSENT Mk4 AR-15 6.5" .300 BLK Upper Receiver w/ 5.5" M-LOK Handguard
    CMMG DISSENT Mk4 AR-15 6.5" .300 BLK Upper Receiver w/ 5.5" M-LOK Handguard
    Out of stock
    $1,349.99 $1,024.99 Save $325.00
  20. Ballistic Advantage Premium Series AR-15 Pistol-Length Gas .300 BLK 1:7 SS Barrel w/ Lo Pro Gas Block
    Ballistic Advantage Premium Series AR-15 Pistol-Length Gas .300 BLK 1:7 SS Barrel w/ Lo Pro Gas Block
    Out of stock
    $220.99 $230.99 $209.99 $218.99 Save $12.00
  21. Odin Works AR-15 6.5 Grendel 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Odin Works AR-15 6.5 Grendel 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Out of stock
    $335.99 $360.99 $318.99 $342.99 Save $18.00
  22. Odin Works AR-15 6.5 Grendel 1:8 Stainless Steel Barrel w/ Tunable Gas Block and BCG
    Odin Works AR-15 6.5 Grendel 1:8 Stainless Steel Barrel w/ Tunable Gas Block and BCG
    Out of stock
    $440.99 $455.99 $418.99 $432.99 Save $23.00
  23. Odin Works AR-15 18" Intermediate-Length Gas 6.5 Grendel 1:8 Stainless Steel Barrel w/ 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
  24. Odin Works AR-15 .300 Blackout 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Odin Works AR-15 .300 Blackout 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Out of stock
    $245.99 $325.99 $232.99 $308.99 Save $17.00
  25. 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
  26. Ballistic Advantage Premium Series AR-10 8.6 Blackout 1:3 Stainless Steel Barrel
    Ballistic Advantage Premium 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
  27. Ballistic Advantage Premium Black Series AR-10 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
  28. 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
  29. Primary Weapons Systems UXR Elite 8.6 Blackout Conversion Kit
    Primary Weapons Systems UXR Elite 8.6 Blackout Conversion Kit
    Out of stock
    $575.99 $499.99 Save $76.00
  30. Sig Sauer Cross .308 Winchester Caliber X-Change Kit
    Sig Sauer Cross .308 Winchester Caliber X-Change Kit
    Out of stock
    $599.99 $699.99 $499.99 $584.99 Save $115.00
  31. PROOF Research Impact Precision 737R SA 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Impact Precision 737R SA 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    Out of stock
    $1,049.99 $939.99 $949.99 Save $110.00
  32. PROOF Research Accuracy International AX308 / AT / AW / AE Short Action .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Accuracy International AX308 / AT / AW / AE Short Action .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    Out of stock
    $1,399.99 $1,299.99 Save $100.00
  33. PROOF Research Accuracy International AXMC .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Accuracy International AXMC .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    Out of stock
    $1,399.99 $1,299.99 Save $100.00
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