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    1/2x28
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  1. Advantage Arms 2 items
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  37. SilencerCo 11 items
  38. Spike's Tactical 3 items
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  40. TacFire Inc. 7 items
  41. True Precision 16 items
  42. Tyrant Designs 1 item
  43. Volquartsen 1 item
  44. Walther 3 items
  45. Watchtower - F-1 1 item
  46. Zaffiri Precision 6 items
Color
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  7. Brown 1 item
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  17. Gold 10 items
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  19. Gray 1 item
  20. Iridescent 2 items
  21. Midnight Bronze 4 items
  22. Olive Drab Green 1 item
  23. Patriot Brown 2 items
  24. Satin Stainless Steel 5 items
  25. Silver 19 items
  26. Spectrum Rainbow PVD 3 items
  27. Stainless Steel 3 items
  28. Tungsten 5 items
Thread Pattern
  1. .578x28 6 items
  2. 1/2x28 228 items
  3. 1/2x36 9 items
  4. 5/8x24 167 items
  5. 9/16x24 8 items
  6. 13.5x1LH 5 items
  7. 14.5x1 LH 2 items
  8. 16x1 LH 4 items
  9. Accu-Mag 2 items
  10. Crio / Crio Plus 10 items
  11. Invector 1 item
  12. Invector Plus 9 items
  13. M12x1 LH 1 item
  14. M18x1.5 3 items
  15. M22x.75 1 item
  16. Mobil 18 items
  17. Optima HP 1 item
  18. Optima Plus 1 item
  19. Remington 21 items
  20. Winchester 8 items
  21. Winchester / Invector / Accu-Choke 6 items
Platform
  1. AR-15 100 items
  2. AR-9 3 items
  3. Archon 1 item
  4. Beretta 4 items
  5. Canik 2 items
  6. CZ 1 item
  7. Daniel Defense 1 item
  8. Glock 76 items
  9. Impact Precision 1 item
  10. Primary Weapons Systems 1 item
  11. Rimfire 6 items
  12. Ruger 9 items
  13. Savage Arms 1 item
  14. Sig Sauer 25 items
  15. Smith & Wesson 2 items
  16. Springfield Armory 3 items
  17. Walther 3 items
Caliber
  1. 22 ARC 7 items
  2. 22 Long Rifle 15 items
  3. 223 Remington 58 items
  4. 223 Wylde 19 items
  5. 300 AAC Blackout 1 item
  6. 350 Legend 4 items
  7. 357 SIG 3 items
  8. 380 Auto (ACP) 1 item
  9. 5.56mm NATO 69 items
  10. 5.7 x 28mm 5 items
  11. 6mm ARC 1 item
  12. 9mm Luger 115 items
  13. 9x18 Makarov 1 item
Attachment Type
  1. KeyMod 2 items
  2. MLOK 33 items
  3. Picatinny 7 items
Handguard Length
  1. 4" 6 items
  2. 5.5" 2 items
  3. 7" 2 items
  4. 9" 1 item
  5. 9.6" 1 item
  6. 10" 4 items
  7. 12" 1 item
  8. 12.25" 2 items
  9. 13.5" 2 items
  10. 15" 19 items
  11. 15.25" 2 items
  12. Carbine Length 1 item
  13. Mid Length 1 item
Handguard Style
  1. Free Float 36 items
Upper Type
  1. Pistol 12 items
  2. Rifle 34 items
Options
  1. W/ BCG & CH 41 items
  2. W/O BCG & CH 3 items
Barrel Length
  1. 3.5" 1 item
  2. 3.6" 1 item
  3. 3.68" 1 item
  4. 3.7" 3 items
  5. 3.76" 3 items
  6. 3.8" 2 items
  7. 3.88" 2 items
  8. 3.9" 6 items
  9. 3.97" 1 item
  10. 4" 1 item
  11. 4.06" 1 item
  12. 4.3" 5 items
  13. 4.35" 1 item
  14. 4.49" 3 items
  15. 4.5" 12 items
  16. 4.56" 1 item
  17. 4.60" 6 items
  18. 4.625" 3 items
  19. 4.64" 1 item
  20. 4.68" 1 item
  21. 4.7" 2 items
  22. 4.75" 1 item
  23. 4.8" 1 item
  24. 4.9" 1 item
  25. 4.99" 1 item
  26. 5" 24 items
  27. 5.03" 4 items
  28. 5.1" 1 item
  29. 5.31" 2 items
  30. 5.46" 1 item
  31. 5.5" 4 items
  32. 5.75" 1 item
  33. 5.8" 1 item
  34. 6.5" 2 items
  35. 7" 2 items
  36. 7.5" 7 items
  37. 8" 3 items
  38. 8.3" 1 item
  39. 9" 2 items
  40. 9.2" 1 item
  41. 10" 1 item
  42. 10.3" 2 items
  43. 10.5" 13 items
  44. 11" 1 item
  45. 11.3" 2 items
  46. 11.5" 3 items
  47. 12" 1 item
  48. 12.3" 1 item
  49. 12.5" 4 items
  50. 13.7" 2 items
  51. 13.9" 5 items
  52. 14.5" 13 items
  53. 14.7" 3 items
  54. 16" 71 items
  55. 16.1" 11 items
  56. 16.25" 1 item
  57. 16.325" 1 item
  58. 16.5" 1 item
  59. 16.75" 1 item
  60. 17.7" 2 items
  61. 18" 20 items
  62. 18.5" 1 item
  63. 20" 13 items
  64. 22" 3 items
  65. 24" 4 items
Material
  1. 416R Stainless Steel 74 items
  2. 4150 Chrome Moly Vanadium 13 items
  3. Aluminum 22 items
  4. Carbon Fiber 2 items
  5. Chrome Moly Venadium Steel 19 items
  6. Stainless Steel 51 items
  7. Steel 22 items
Inventory
  1. In Stock 142 items
  2. Out of Stock 86 items
Customer Rating
  1. 5
    23 items
  2. 4
    & up     24 items
  3. 2
    & up     25 items
  4. 1
    & up     27 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. True Precision Threaded Barrel for Sig Sauer P365XL
    True Precision Threaded Barrel for Sig Sauer P365XL
    (1)
    $179.99 $198.99 $170.99 $189.99 Save $9.00
  4. True Precision Threaded Barrel for Gen 1-5 Glock 19, 19X, 45
    True Precision Threaded Barrel for Gen 1-5 Glock 19, 19X, 45
    $180.99 $208.99
  5. 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
  10. Volquartsen Ruger 10/22 16.75" .22 LR 1:16 SS Threaded Barrel - 1/2x28
    Volquartsen Ruger 10/22 16.75" .22 LR 1:16 SS Threaded Barrel - 1/2x28
    $394.99 $355.99 Save $39.00
  11. Ballistic Advantage Premium Barrel with Bomber Fluting for Glock 17 Pistols with 1/2x28 TPI
    Ballistic Advantage Premium Barrel with Bomber Fluting for Glock 17 Pistols with 1/2x28 TPI
    $195.99 $175.99 Save $20.00
  13. Faxon ARAK-21 AR-15 5.56 NATO Upper Receiver w/ Picatinny Handguard
    Faxon ARAK-21 AR-15 5.56 NATO Upper Receiver w/ Picatinny Handguard
    Out of stock
    $999.99 $920.99 Save $79.00
  15. Geissele Automatics Super Duty MOD1 AR-15 13.9" Pinned / 16" OAL 5.56 Upper Receiver with Free Float M-LOK Handguard
    Geissele Automatics Super Duty MOD1 AR-15 13.9" Pinned / 16" OAL 5.56 Upper Receiver with Free Float M-LOK Handguard
    Out of stock
    $1,325.99 $1,450.99
  16. True Precision Threaded Barrel for Gen 1-5 Glock 26
    True Precision Threaded Barrel for Gen 1-5 Glock 26
    Out of stock
    $189.99 $198.99 $180.99 $189.99 Save $9.00
  17. CMMG AR-15 .22 LR 1:16 CM Barrel w/ Bolt Carrier Kit
    CMMG AR-15 .22 LR 1:16 CM Barrel w/ Bolt Carrier Kit
    $324.99 $374.99 $259.99 $299.99 Save $75.00
  18. Battle Arms Development Authority Elite Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Battle Arms Development Authority Elite Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    $865.99 $824.99 Save $41.00
  19. Backup Tactical Threaded Barrel for Gen 1-4 Glock 17 Pistols
    Backup Tactical Threaded Barrel for Gen 1-4 Glock 17 Pistols
    Out of stock
    $169.99 $154.99 Save $15.00
  20. CMMG BANSHEE Mk4 AR-15 4.5" CM .22 LR Upper Receiver w/ EML4 4" M-LOK Handguard
    CMMG BANSHEE Mk4 AR-15 4.5" CM .22 LR Upper Receiver w/ EML4 4" M-LOK Handguard
    Out of stock
    $724.99 $589.99 $637.99 Save $135.00
  21. Geissele Automatics Super Duty MOD1 AR-15 14.5" Pinned / 16" OAL 5.56 Upper Receiver with Free Float M-LOK Handguard
    Geissele Automatics Super Duty MOD1 AR-15 14.5" Pinned / 16" OAL 5.56 Upper Receiver with Free Float M-LOK Handguard
    Out of stock
    $1,325.99 $1,450.99
  24. Primary Weapons Systems UXR Elite .223 Wylde Conversion Kit
    Primary Weapons Systems UXR Elite .223 Wylde Conversion Kit
    $575.99 $439.99 Save $136.00
  25. Geissele Automatics Super Duty MOD1 AR-15 16" 5.56 NATO Upper Receiver with 15" SMR MK16 M-LOK Handguard
    Geissele Automatics Super Duty MOD1 AR-15 16" 5.56 NATO Upper Receiver with 15" SMR MK16 M-LOK Handguard
    Out of stock
    $1,325.99 $1,450.99
  28. Battle Arms Development WORKHORSE Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Battle Arms Development WORKHORSE Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    $692.99 $659.99 Save $33.00
  32. Ballistic Advantage Premium Barrel with Spiral Fluting for Gen 3-5 Glock 19 Pistols with 1/2x28 TPI
    Ballistic Advantage Premium Barrel with Spiral Fluting for Gen 3-5 Glock 19 Pistols with 1/2x28 TPI
    $184.99 $205.99 $166.99 $184.99 Save $21.00
  34. Ballistic Advantage Classic Series AR-15 Carbine-Length Gas 5.56 1:7 CMV CL Barrel
    Ballistic Advantage Classic Series AR-15 Carbine-Length Gas 5.56 1:7 CMV CL Barrel
    $157.99 $185.99 $124.99 $175.99 Save $56.00
  35. True Precision 4.5" Threaded Barrel for Ruger RXM Pistols - 1/2x28
    True Precision 4.5" Threaded Barrel for Ruger RXM Pistols - 1/2x28
    $189.99 $199.99 $180.99 $189.99 Save $10.00
  37. Faxon Firearms Match Series AR-15 Rifle-Length Gas 22 ARC 1:7 Stainless Steel Barrel
    Faxon Firearms Match Series AR-15 Rifle-Length Gas 22 ARC 1:7 Stainless Steel Barrel
    $236.99 $310.99 $218.99 $286.99 Save $24.00
  38. FightLite MCR Dual-Feed AR-15 16.25" Assembled Upper Receiver
    FightLite MCR Dual-Feed AR-15 16.25" Assembled Upper Receiver
    $6,399.99 $5,899.99 Save $500.00
  39. FN Button-Rifled AR-15 5.56 NATO 1:7 CMV Barrel
    FN Button-Rifled AR-15 5.56 NATO 1:7 CMV Barrel
    $299.99 $234.99 $279.99 Save $65.00
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