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  1. Brand
    PROOF Research
  2. Color
    Silver
  3. Thread Pattern
    5/8x24
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  3. PROOF Research 37 items
  4. Rosco Manufacturing 1 item
Color
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Thread Pattern
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  13. 7mm PRC 4 items
Barrel Length
  1. 11.5" 1 item
  2. 12.5" 1 item
  3. 14.5" 2 items
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  6. 18.5" 1 item
  7. 20" 9 items
  8. 24" 7 items
  9. 26" 19 items
Material
  1. Carbon Fiber 3 items
  2. Stainless Steel 37 items
Inventory
  1. In Stock 25 items
  2. Out of Stock 12 items
Customer Rating
  1. 4
    & up     1 item

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. PROOF Research Accuracy International AXMC 24" 6.5 Creedmoor 1:8 Pre-Fit Barrel
    PROOF Research Accuracy International AXMC 24" 6.5 Creedmoor 1:8 Pre-Fit Barrel
    $849.99 $1,299.99 $749.99 $1,199.99 Save $100.00
  5. PROOF Research AR-15 11.5" Carbine-Length Gas .223 Wylde 1:7 Stainless Steel Barrel
    PROOF Research AR-15 .223 Wylde Stainless Steel Barrel
    $629.99 $749.99 $569.99 $649.99 Save $100.00
  12. PROOF Research Savage Small Shank 20" .223 Remington 1:8 Pre-Fit Barrel
    PROOF Research Savage Small Shank 20" .223 Remington 1:8 Pre-Fit Barrel
    $649.99 $1,149.99 $579.99 $999.99 Save $150.00
  17. PROOF Research Accuracy International AX308, AT, AW, AE Short Action 24" 6.5 Creedmoor 1:8 Pre-Fit Barrel
    PROOF Research Accuracy International AX308, AT, AW, AE Short Action 24" 6.5 Creedmoor 1:8 Pre-Fit Barrel
    $849.99 $1,299.99 $749.99 $1,199.99 Save $100.00
  24. PROOF Research AR-15 14.5" Intermediate-Length Gas 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
  25. PROOF Research AR-15 12.5" Pistol-Length Gas .300 BLK 1:7 Stainless Steel Barrel
    PROOF Research AR-15 .300 BLK Stainless Steel Barrel
    $629.99 $749.99 $569.99 $649.99 Save $100.00
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