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  1. Brand
    PROOF Research
  2. Color
    Silver
  3. Barrel Length
    20"
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  1. Carbon Fiber 1 item
  2. Stainless Steel 9 items
Inventory
  1. In Stock 8 items
  2. Out of Stock 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!

  2. 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
  4. 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
  8. 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
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