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  2. Thread Pattern
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  25. Silver 19 items
  26. Spectrum Rainbow PVD 3 items
  27. Stainless Steel 5 items
  28. Tungsten 5 items
Thread Pattern
  1. .578x28 6 items
  2. 1/2x28 170 items
  3. 1/2x36 9 items
  4. 5/8x24 60 items
  5. 9/16x24 8 items
  6. 13.5x1LH 5 items
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  8. 16x1 LH 4 items
  9. Accu-Mag 2 items
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  15. M22x.75 1 item
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Platform
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  2. AR-15 77 items
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  7. Daniel Defense 1 item
  8. Glock 54 items
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  12. Ruger 7 items
  13. Sig Sauer 18 items
  14. Smith & Wesson 2 items
  15. Springfield Armory 1 item
  16. Walther 3 items
Caliber
  1. 22 ARC 3 items
  2. 22 Long Rifle 10 items
  3. 223 Remington 47 items
  4. 223 Wylde 11 items
  5. 350 Legend 3 items
  6. 357 SIG 3 items
  7. 380 Auto (ACP) 1 item
  8. 5.56mm NATO 59 items
  9. 5.7 x 28mm 3 items
  10. 6mm ARC 1 item
  11. 9mm Luger 83 items
  12. 9x18 Makarov 1 item
Attachment Type
  1. KeyMod 2 items
  2. MLOK 27 items
  3. Picatinny 7 items
Handguard Length
  1. 4" 4 items
  2. 5.5" 1 item
  3. 6.5" 1 item
  4. 9" 1 item
  5. 9.6" 1 item
  6. 10" 2 items
  7. 12" 1 item
  8. 12.25" 1 item
  9. 13.5" 2 items
  10. 15" 18 items
  11. 15.25" 2 items
  12. Carbine Length 1 item
  13. Mid Length 1 item
Handguard Style
  1. Free Float 29 items
Upper Type
  1. Pistol 4 items
  2. Rifle 34 items
Options
  1. BCG Only 1 item
  2. W/ BCG & CH 34 items
  3. W/O BCG & CH 3 items
Barrel Length
  1. 3.5" 1 item
  2. 3.68" 1 item
  3. 3.7" 2 items
  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" 4 items
  11. 4.49" 3 items
  12. 4.5" 10 items
  13. 4.56" 1 item
  14. 4.60" 5 items
  15. 4.625" 1 item
  16. 4.8" 1 item
  17. 4.9" 1 item
  18. 5" 18 items
  19. 5.03" 2 items
  20. 5.1" 1 item
  21. 5.31" 2 items
  22. 5.46" 1 item
  23. 5.5" 3 items
  24. 5.75" 1 item
  25. 5.8" 1 item
  26. 6" 1 item
  27. 7" 2 items
  28. 7.5" 6 items
  29. 8" 2 items
  30. 9" 1 item
  31. 9.2" 1 item
  32. 10" 1 item
  33. 10.3" 2 items
  34. 10.5" 8 items
  35. 11.3" 2 items
  36. 11.5" 3 items
  37. 12" 1 item
  38. 12.3" 1 item
  39. 12.5" 5 items
  40. 13.7" 2 items
  41. 13.9" 4 items
  42. 14.5" 12 items
  43. 14.7" 3 items
  44. 16" 58 items
  45. 16.1" 11 items
  46. 16.25" 1 item
  47. 16.325" 1 item
  48. 16.75" 1 item
  49. 17.7" 1 item
  50. 18" 14 items
  51. 18.5" 1 item
  52. 20" 8 items
  53. 22" 1 item
  54. 24" 3 items
Material
  1. 416R Stainless Steel 40 items
  2. 4150 Chrome Moly Vanadium 14 items
  3. Aluminum 23 items
  4. Chrome Moly Venadium Steel 15 items
  5. Stainless Steel 37 items
  6. Steel 22 items
Inventory
  1. In Stock 84 items
  2. Out of Stock 79 items
Customer Rating
  1. 5
    18 items
  2. 1
    & up     19 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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  1. FN Button-Rifled AR-15 5.56 NATO 1:7 CMV Barrel - 10.5" - Carbine
    FN Button-Rifled AR-15 5.56 NATO 1:7 CMV Barrel
    $299.99 $234.99 $279.99 Save $65.00
  2. Faxon Firearms Match Series AR-15 .223 Wylde 1:8 SS Barrel -16"-Heavy Fluted-Mid
    Faxon Firearms Match Series AR-15 .223 Wylde 1:8 SS Barrel
    $241.99 $302.99 $222.99 $278.99 Save $24.00
  5. 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
    $205.99 $235.99 $194.99 $223.99 Save $12.00
  6. Backup Tactical Threaded Barrel for Sig P320 Full Size Pistols - BLK
    Backup Tactical Threaded Barrel for Sig P320 Full Size Pistols
    (1)
    $169.99 $154.99 Save $15.00
  8. Diamondback AR-15 16" Carbine-Length Gas 5.56 NATO 1:9 CMV Barrel
    Diamondback AR-15 5.56 NATO CMV Barrel
    $103.99 $92.99 Save $11.00
  11. Faxon Firearms Ruger 10/22 .22 LR 1:16 SS Barrel-10.5"-Straight Fluted
    Faxon Firearms Ruger 10/22 .22 LR 1:16 SS Barrel
    $189.99 $190.99 $174.99 $175.99 Save $15.00
  15. 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
    Out of stock
    $644.99 $599.99 $619.99 Save $45.00
  16. Rost Martin Threaded Barrel for RM1C - 1/2x28
    Rost Martin Threaded Barrel for RM1C - 1/2x28
    Out of stock
    $119.99 $112.99 Save $7.00
  17. SilencerCo Threaded Barrel for Glock 43X Pistols - 1/2x28
    SilencerCo Threaded Barrel for Glock 43X Pistols - 1/2x28
    Out of stock
    $169.99 $143.99 Save $26.00
  19. CMMG AR-15 16.1" .22 LR 1:16 CM Barrel
    CMMG AR-15 .22 LR 1:16 CM Barrel
    Out of stock
    $174.99 $149.99 Save $25.00
  20. LBE Unlimited AR-15 16" 5.56 NATO 1:7 CMV Barrel
    LBE Unlimited AR-15 16" 5.56 NATO 1:7 CMV Barrel
    Out of stock
    $134.99 $159.99 $134.99 $146.99 Save $13.00
  21. Odin Works AR-15 16.1" Mid-Length Gas .223 Wylde 1:8 Black Nitride Stainless Steel Barrel with Tunable Gas Block
    Odin Works AR-15 .223 Wylde 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Out of stock
    $205.99 $345.99 $194.99 $327.99 Save $18.00
  22. Seekins Precision Match Grade AR-15 16" Mid-Length 0.750" Gas .223 Wylde 1:8 Stainless Steel 5R Rifled 1/2x28 Barrel
    Seekins Precision Match Grade AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    Out of stock
    $395.99
  27. Sig Sauer P938 9mm Threaded Barrel 1/2x28
    Sig Sauer P938 9mm Threaded Barrel 1/2x28
    Out of stock
    $229.99 $189.99 Save $40.00
  29. FN M16A2 Style 14.7" Carbine-Length Gas 5.56 NATO Barrel
    FN M16A2 Style 14.7" Carbine-Length Gas 5.56 NATO Barrel
    Out of stock
    $349.99 $135.99 Save $214.00
  30. Rival Arms V1 Threaded Barrel for Gen 3 / 4 Glock 17 Pistols - BLK
    Rival Arms V1 Threaded Barrel for Gen 3 / 4 Glock 17 Pistols
    Out of stock
    $239.99 $199.99 Save $40.00
  34. Lone Wolf Arms AlphaWolf 1/2x28 Threaded Barrel for Glock 19 Pistols - BLK
    Lone Wolf Arms AlphaWolf 1/2x28 Threaded Barrel for Glock 19 Pistols
    Out of stock
    $149.99 $136.99 Save $13.00
  35. Lone Wolf Arms Dawn 365 1/2x28 Threaded Barrel for Sig P365 Pistols - BLK
    Lone Wolf Arms Dawn 365 1/2x28 Threaded Barrel for Sig P365 Pistols
    Out of stock
    $174.99 $159.99 Save $15.00
  38. 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
  39. 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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