My Cart ()
Back Close
Filters
Now Shopping by
  1. Brand
    PROOF Research
  2. Color
    Silver
  3. Thread Pattern
    5/8x24
  4. Platform
    AR-15
Brand
  1. Ballistic Advantage 1 item
  2. Odin Works 9 items
  3. PROOF Research 4 items
  4. Rosco Manufacturing 1 item
Color
  1. Black 1 item
  2. Carbon Fiber 2 items
  3. Silver 4 items
Thread Pattern
  1. 5/8x24 4 items
Platform
  1. Accuracy International 4 items
  2. Aero Precision 2 items
  3. AR-15 4 items
  4. Impact Precision 9 items
  5. Ruger 4 items
  6. Savage Arms 3 items
  7. Sig Sauer 3 items
  8. Zermatt Arms 8 items
Caliber
  1. 223 Remington 1 item
  2. 223 Wylde 1 item
  3. 300 AAC Blackout 1 item
  4. 5.56mm NATO 1 item
  5. 6mm ARC 1 item
  6. 6.5 Grendel 1 item
Barrel Length
  1. 11.5" 1 item
  2. 12.5" 1 item
  3. 14.5" 2 items
  4. 16" 3 items
  5. 18" 2 items
  6. 20" 3 items
Inventory
  1. In Stock 4 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. 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
  3. 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
  4. 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
Filter