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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. TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit
    TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit
    $399.99 $264.99 $299.99 Save $135.00
  2. TacFire AR-15 .223 / 5.56 Upper Receiver
    TacFire AR-15 .223 / 5.56 Upper Receiver
    $299.99 $259.99 $299.99 Save $40.00
  3. TacFire AR-15 5.56 NATO Stainless Steel Barrel
    TacFire AR-15 5.56 NATO Stainless Steel Barrel
    $109.99 $119.99 $69.99 $84.99 Save $50.00
  4. TacFire AR-15 .223 / 5.56 Unassembled Pistol Kit w/ Lower Parts Kit
    TacFire AR-15 .223 / 5.56 Unassembled Pistol Kit w/ Lower Parts Kit
    $399.99 $279.99 $349.99 Save $120.00
  5. CMMG BANSHEE AR-15 5" CM 5.7x28 Upper Receiver w/ EML4 4" M-LOK Handguard
    CMMG BANSHEE AR-15 5" CM 5.7x28 Upper Receiver w/ EML4 4" M-LOK Handguard
    $899.99 $749.99 Save $150.00
  6. Grey Ghost Precision Match Grade Threaded Barrel for Gen 3-5 Glock 17 Pistols
    Grey Ghost Precision Match Grade Threaded Barrel for Gen 3-5 Glock 17 Pistols
    $189.99 $182.99 Save $7.00
  7. Ballistic Advantage Premium Barrel for Glock 17 Pistols with 1/2x28 TPI
    Ballistic Advantage Premium Barrel for Glock 17 Pistols with 1/2x28 TPI
    $155.99 $175.99 $139.99 $157.99 Save $18.00
  8. CMMG AR-15 5.7x28 CM Barrel w/ Bolt Carrier Kit
    CMMG AR-15 5.7x28 CM Barrel w/ Bolt Carrier Kit
    $474.99 $524.99 $359.99 $414.99 Save $115.00
  9. Ballistic Advantage Premium Barrel with Spiral Fluting for Gen 5 Glock 17 Pistols with 1/2x28 TPI
    Ballistic Advantage Premium Barrel with Spiral Fluting for Gen 5 Glock 17 Pistols with 1/2x28 TPI
    $193.99 $215.99 $134.99 $193.99 Save $61.00
  10. True Precision Threaded Barrel for Gen 1-4 Glock 17
    True Precision Threaded Barrel for Gen 1-4 Glock 17
    $208.99 $218.99 $189.99 $199.99 Save $19.00
  11. True Precision Barrel for Sig Sauer P365 Fuse Pistols with 1/2x28 TPI
    True Precision Barrel for Sig Sauer P365 Fuse Pistols with 1/2x28 TPI
    $189.99 $199.99 $180.99 $189.99 Save $10.00
  12. Rosco Glock Bloodline Barrel for Glock 17 Threaded 1/2x28
    Rosco Glock Bloodline Barrel for Glock 17 Threaded 1/2x28
    Out of stock
    $190.99 $171.99 Save $19.00
  13. SilencerCo Threaded Barrel for Sig P226 Pistols - 1/2x28
    SilencerCo Threaded Barrel for Sig P226 Pistols - 1/2x28
    Out of stock
    $169.99 $143.99 Save $26.00
  14. Grey Ghost Precision Match Grade Threaded Barrel for Gen 3-4 Glock 19 Pistols
    Grey Ghost Precision Match Grade Threaded Barrel for Gen 3-4 Glock 19 Pistols
    Out of stock
    $189.99 $182.99 Save $7.00