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Material
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Inventory
  1. In Stock 94 items
  2. Out of Stock 77 items
Customer Rating
  1. 5
    2 items
  2. 4
    & up     4 items
  3. 3
    & up     6 items
  4. 2
    & up     7 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. PROOF Research Aero Precision Solus 6.5 PRC 1:7.5 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Aero Precision Solus 6.5 PRC 1:7.5 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,049.99
  2. PROOF Research Aero Precision Solus 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Aero Precision Solus 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,049.99 $939.99 Save $110.00
  3. PROOF Research Zermatt Arms TL3 / SR3 SA 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Zermatt Arms TL3 / SR3 SA 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,049.99 $939.99 Save $110.00
  4. PROOF Research Impact Precision 787R Long Action 7mm PRC 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Impact Precision 787R Long Action 7mm PRC 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,149.99 $999.99 Save $150.00
  5. PROOF Research Zermatt Arms Origin 7mm PRC 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Zermatt Arms Origin 7mm PRC 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,149.99 $999.99 Save $150.00
  6. PROOF Research Zermatt Arms Origin 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Zermatt Arms Origin 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,049.99 $939.99 Save $110.00
  7. PROOF Research Savage Small Shank 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Savage Small Shank 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,009.99 $1,049.99 $939.99 Save $110.00
  8. PROOF Research Zermatt Arms TL3 / SR3 Long Action 7mm PRC 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Zermatt Arms TL3 / SR3 Long Action 7mm PRC 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,149.99 $999.99 Save $150.00
  9. PROOF Research Impact Precision 787R Long Action .300 PRC 1:9 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Impact Precision 787R Long Action .300 PRC 1:9 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,149.99 $999.99 Save $150.00
  10. PROOF Research Zermatt Arms Origin .300 PRC 1:9 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Zermatt Arms Origin .300 PRC 1:9 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,149.99 $999.99 Save $150.00
  11. PROOF Research Zermatt Arms TL3 / SR3 Long Action .300 PRC 1:9 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Zermatt Arms TL3 / SR3 Long Action .300 PRC 1:9 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,149.99 $999.99 Save $150.00
  19. PROOF Research AR-15 .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
  22. 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 $649.99 Save $100.00
  23. PROOF Research AR-15 .300 BLK Stainless Steel Barrel
    PROOF Research AR-15 .300 BLK Stainless Steel Barrel
    $629.99 $749.99 $569.99 $649.99 Save $100.00
  24. 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 $999.99 Save $150.00
  25. TacFire AR-15 Pistol-Length Gas .300 Blackout 1:8 Nitride Barrel
    TacFire AR-15 Pistol-Length Gas .300 Blackout 1:8 Nitride Barrel
    $101.99 $109.99 $79.99 $104.99 Save $25.00
  27. Faxon Firearms Match Series AR-15 Pistol-Length Gas .300 Blackout SS Barrel
    Faxon Firearms Match Series AR-15 Pistol-Length Gas .300 Blackout SS Barrel
    $188.99 $197.99 $173.99 $182.99 Save $15.00
  30. TacFire AR-10 .308 / 7.62x51 Unassembled Rifle Kit w/ Lower Parts Kit
    TacFire AR-10 .308 / 7.62x51 Unassembled Rifle Kit w/ Lower Parts Kit
    $699.99 $419.99 Save $280.00
  32. Faxon Firearms Duty Series AR-15 .300 Blackout 1:8 4150 CMV Barrel
    Faxon Firearms Duty Series AR-15 .300 Blackout 1:8 4150 CMV Barrel
    $160.99 $173.99 $148.99 $160.99 Save $13.00
  33. TacFire AR-15 .45 ACP Unassembled Upper Receiver Kit
    TacFire AR-15 .45 ACP Unassembled Upper Receiver Kit
    $449.99 $269.99 $274.99 Save $180.00
  34. TacFire AR-15 .300 Blackout Upper Receiver
    TacFire AR-15 .300 Blackout Upper Receiver
    (2)
    $309.99 $399.99 $254.99 $299.99 Save $145.00
  35. Faxon Firearms Match Series AR-10 20" Rifle-Length Gas .308 Win 1:10 SS Barrel
    Faxon Firearms Match Series AR-10 20" Rifle-Length Gas .308 Win 1:10 SS Barrel
    $324.99 $299.99 Save $25.00
  39. Primary Weapons Systems UXR Elite .300 Blackout Conversion Kit
    Primary Weapons Systems UXR Elite .300 Blackout Conversion Kit
    $575.99 $499.99 Save $76.00
  40. 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
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