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Thread Pattern
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  2. 1/2x28 160 items
  3. 1/2x36 9 items
  4. 5/8x24 57 items
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  6. 13.5x1LH 5 items
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  6. Glock 55 items
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  13. Walther 3 items
Caliber
  1. 22 ARC 3 items
  2. 22 Long Rifle 10 items
  3. 223 Remington 44 items
  4. 223 Wylde 10 items
  5. 350 Legend 3 items
  6. 357 SIG 3 items
  7. 380 Auto (ACP) 1 item
  8. 5.56mm NATO 55 items
  9. 5.7 x 28mm 2 items
  10. 6mm ARC 1 item
  11. 9mm Luger 78 items
  12. 9x18 Makarov 1 item
Attachment Type
  1. KeyMod 2 items
  2. MLOK 24 items
  3. Picatinny 6 items
Handguard Length
  1. 4" 4 items
  2. 8.9" 1 item
  3. 9" 1 item
  4. 10" 2 items
  5. 12" 1 item
  6. 12.25" 1 item
  7. 13.5" 2 items
  8. 15" 17 items
  9. 15.25" 2 items
  10. Carbine Length 1 item
  11. Mid Length 1 item
Handguard Style
  1. Free Float 25 items
Upper Type
  1. Pistol 3 items
  2. Rifle 31 items
Options
  1. W/ BCG & CH 28 items
  2. W/O BCG & CH 6 items
Barrel Length
  1. 3.5" 1 item
  2. 3.68" 1 item
  3. 3.7" 1 item
  4. 3.76" 1 item
  5. 3.8" 1 item
  6. 3.9" 2 items
  7. 3.97" 1 item
  8. 4" 1 item
  9. 4.06" 1 item
  10. 4.3" 3 items
  11. 4.49" 3 items
  12. 4.5" 8 items
  13. 4.56" 1 item
  14. 4.60" 5 items
  15. 4.625" 1 item
  16. 4.8" 1 item
  17. 5" 16 items
  18. 5.03" 2 items
  19. 5.1" 1 item
  20. 5.31" 2 items
  21. 5.5" 4 items
  22. 5.75" 1 item
  23. 5.8" 1 item
  24. 7" 2 items
  25. 7.5" 5 items
  26. 8" 2 items
  27. 8.3" 1 item
  28. 9" 1 item
  29. 9.2" 1 item
  30. 10" 1 item
  31. 10.3" 2 items
  32. 10.5" 7 items
  33. 11" 1 item
  34. 11.3" 2 items
  35. 11.5" 3 items
  36. 12" 1 item
  37. 12.3" 1 item
  38. 12.5" 4 items
  39. 13.7" 2 items
  40. 13.9" 4 items
  41. 14.5" 11 items
  42. 14.7" 3 items
  43. 16" 60 items
  44. 16.1" 7 items
  45. 16.25" 1 item
  46. 16.325" 1 item
  47. 16.75" 1 item
  48. 17.7" 1 item
  49. 18" 13 items
  50. 18.5" 1 item
  51. 20" 8 items
  52. 22" 1 item
  53. 24" 3 items
Material
  1. 416R Stainless Steel 39 items
  2. 4150 Chrome Moly Vanadium 12 items
  3. Aluminum 20 items
  4. Chrome Moly Venadium Steel 16 items
  5. Stainless Steel 39 items
  6. Steel 16 items
Inventory
  1. In Stock 89 items
  2. Out of Stock 71 items
Customer Rating
  1. 5
    17 items
  2. 1
    & up     18 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!

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  2. TacFire AR-15 .223 / 5.56 Unassembled Pistol Kit w/ Lower Parts Kit - 10.5"
    TacFire AR-15 .223 / 5.56 Unassembled Pistol Kit w/ Lower Parts Kit
    $399.99 $279.99 $349.99 Save $120.00
  5. TacFire AR-15 .223 / 5.56 Upper Receiver - 14.5"
    TacFire AR-15 .223 / 5.56 Upper Receiver
    (1)
    $299.99 $259.99 $299.99 Save $40.00
  6. Panzer Arms AR57 ULT AR-15 Steel 5.7x28mm Upper Receiver w/ M-LOK Handguard - 12"
    Panzer Arms AR57 ULT AR-15 Steel 5.7x28mm Upper Receiver w/ M-LOK Handguard
    $644.99 $599.99 $619.99 Save $45.00
  7. Ballistic Advantage Modern AR-15 18" Rifle-Length Gas 5.56 NATO 1:7 CMV Barrel
    Ballistic Advantage Modern Series AR-15 5.56 1:7 CMV Barrel
    $125.99 $195.99 $118.99 $185.99 Save $12.00
  10. Beretta 3rd Gen Threaded Barrel for Beretta 92FS Compact - 1/2x28 - BLK
    Beretta 3rd Gen Threaded Barrel for Beretta 92FS Compact - 1/2x28
    (4)
    $295.99 $318.99 $174.99 $183.99 Save $144.00
  11. Ballistic Advantage Premium AR-15 20" Rifle-Length Gas .223 Wylde 1:8 QPQ Stainless Steel Barrel
    Ballistic Advantage Premium Black Series AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    $200.99 $270.99 $190.99 $256.99 Save $14.00
  12. TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit- 5"
    TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit
    $399.99 $264.99 $299.99 Save $135.00
  17. Faxon Firearms Match Series Flame Fluted Barrel for Glock 17 Gen 5 Pistols - 1/2x28-Black
    Faxon Firearms Match Series Flame Fluted Barrel for Glock 17 Gen 5 Pistols - 1/2x28
    $128.99 $118.99 Save $10.00
  18. Faxon Firearms Match Series Straight Fluted Barrel for Glock 43 / 43X Pistols - 1/2x28-Black
    Faxon Firearms Match Series Straight Fluted Barrel for Glock 43 / 43X Pistols - 1/2x28
    $124.99 $129.99 $115.99 $119.99 Save $10.00
  19. Ballistic Advantage Premium Black AR-15 16" Mid-Length Gas .223 Wylde 1:8 Stainless Steel Barrel with Low Pro Gas Block
    Ballistic Advantage Premium Black AR-15 Mid-Length Gas .223 Wylde 1:8 Stainless Steel Barrel w/ .750 Lo Pro Gas Block
    $245.99 $232.99 Save $13.00
  20. Backup Tactical Threaded Barrel for Sig P320 Compact Pistols - BLK
    Backup Tactical Threaded Barrel for Sig P320 Compact Pistols
    $169.99 $154.99 Save $15.00
  21. FN AR-15 20" Rifle-Length Gas 5.56 NATO 1:7 CHF CL Barrel
    FN AR-15 5.56 NATO 1:7 CMV CHF CL Barrel
    $399.99 $269.99 $289.99 Save $130.00
  22. Ballistic Advantage Premium Black Series AR-15 18" Rifle-Length Gas .223 Wylde 1:8 Stainless Steel Barrel w/ OPS 12
    Ballistic Advantage Premium Black Series AR-15 .223 Wylde 1:8 SS Barrel w/ OPS 12
    $205.99 $220.99 $194.99 $209.99 Save $11.00
  23. Ballistic Advantage Premium Series Bomber Fluted Barrel for Gen 3-5 Glock 19 Pistols - 1/2x28
    Ballistic Advantage Premium Series Bomber Fluted Barrel for Gen 3-5 Glock 19 Pistols - 1/2x28 TPI
    $185.99 $205.99 $139.99 $184.99 Save $46.00
  29. Backup Tactical Threaded Barrel for Glock 26 Pistols - BLK
    Backup Tactical Threaded Barrel for Glock 26 Pistols
    $169.99 $154.99 Save $15.00
  35. Volquartsen Ruger 10/22 16.75" .22 LR 1:16 SS Threaded Barrel - 1/2x28 - Black
    Volquartsen Ruger 10/22 16.75" .22 LR 1:16 SS Threaded Barrel - 1/2x28
    $394.99 $355.99 Save $39.00
  36. Battle Arms Development WORKHORSE Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard - Black
    Battle Arms Development WORKHORSE Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Out of stock
    $692.99 $659.99 Save $33.00
  37. Ballistic Advantage Premium Barrel with Bomber Fluting for Glock 17 Pistols with 1/2x28 TPI - BLK
    Ballistic Advantage Premium Barrel with Bomber Fluting for Glock 17 Pistols with 1/2x28 TPI
    $195.99 $175.99 Save $20.00
  38. Ballistic Advantage Performance AR-15 16" Mid-Length Gas 5.56 NATO 1:7 CMV Barrel w/ .750 Lo Pro Gas Block
    Ballistic Advantage Performance Series AR-15 5.56 1:7 CMV Barrel w/ .750 Lo Pro Gas Block
    Out of stock
    $205.99 $235.99 $194.99 $223.99 Save $12.00
  40. Faxon ARAK-21 AR-15 5.56 NATO Upper Receiver w/ Picatinny Handguard 16"
    Faxon ARAK-21 AR-15 5.56 NATO Upper Receiver w/ Picatinny Handguard
    Out of stock
    $999.99 $920.99 Save $79.00
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