My Cart ()
Back Close
Filters
Now Shopping by
  1. Platform
    Sig Sauer
  2. Barrel Length
    3.7"
Brand
  1. Faxon Firearms 1 item
  2. Sig Sauer Magazines 1 item
  3. SilencerCo 1 item
Thread Pattern
  1. 1/2x28 2 items
Platform
  1. FN 1 item
  2. Sig Sauer 3 items
  3. Springfield Armory 2 items
Barrel Length
  1. 3.1" 3 items
  2. 3.5" 1 item
  3. 3.6" 1 item
  4. 3.7" 3 items
  5. 3.76" 2 items
  6. 3.8" 1 item
  7. 3.9" 2 items
  8. 4.3" 5 items
  9. 4.35" 1 item
  10. 4.4" 3 items
  11. 4.5" 1 item
  12. 4.60" 1 item
  13. 4.625" 1 item
  14. 4.64" 1 item
  15. 4.68" 1 item
  16. 5" 3 items
  17. 5.31" 1 item
  18. 5.46" 1 item
  19. 5.5" 2 items
  20. 6" 1 item
  21. 16" 3 items
  22. 18" 3 items
  23. 20" 6 items
  24. 24" 1 item
Material
  1. 416R Stainless Steel 1 item
  2. Stainless Steel 1 item
  3. Steel 1 item
Inventory
  1. In Stock 2 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!

  1. Sig Sauer Replacement 3.7" Barrel w/ LCI for P365 / P365XL Pistols
    Sig Sauer Replacement 3.7" Barrel w/ LCI for P365 / P365XL Pistols
    $179.99
  3. SilencerCo Threaded Barrel for Sig P365 Pistols - 1/2x28
    SilencerCo Threaded Barrel for Sig P365 Pistols - 1/2x28
    Out of stock
    $169.99 $143.99 Save $26.00
Filter