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Thread Pattern
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Caliber
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  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 54 items
  9. 5.7 x 28mm 2 items
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  12. 9x18 Makarov 1 item
Attachment Type
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  2. MLOK 21 items
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Handguard Length
  1. 4" 4 items
  2. 9" 1 item
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  4. 12" 1 item
  5. 12.25" 1 item
  6. 13.5" 2 items
  7. 15" 15 items
  8. 15.25" 2 items
  9. Carbine Length 1 item
  10. Mid Length 1 item
Handguard Style
  1. Free Float 23 items
Upper Type
  1. Pistol 3 items
  2. Rifle 28 items
Options
  1. W/ BCG & CH 28 items
  2. 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" 4 items
  24. 5.75" 1 item
  25. 5.8" 1 item
  26. 7" 2 items
  27. 7.5" 5 items
  28. 8" 2 items
  29. 8.3" 1 item
  30. 9" 1 item
  31. 9.2" 1 item
  32. 10" 1 item
  33. 10.3" 2 items
  34. 10.5" 7 items
  35. 11" 1 item
  36. 11.3" 2 items
  37. 11.5" 3 items
  38. 12" 1 item
  39. 12.3" 1 item
  40. 12.5" 4 items
  41. 13.7" 2 items
  42. 13.9" 4 items
  43. 14.5" 11 items
  44. 14.7" 3 items
  45. 16" 57 items
  46. 16.1" 7 items
  47. 16.25" 1 item
  48. 16.325" 1 item
  49. 16.75" 1 item
  50. 17.7" 1 item
  51. 18" 14 items
  52. 18.5" 1 item
  53. 20" 8 items
  54. 22" 1 item
  55. 24" 3 items
Material
  1. 416R Stainless Steel 39 items
  2. 4150 Chrome Moly Vanadium 12 items
  3. Aluminum 17 items
  4. Chrome Moly Venadium Steel 17 items
  5. Stainless Steel 37 items
  6. Steel 22 items
Inventory
  1. In Stock 100 items
  2. Out of Stock 63 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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  4. 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. 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 $185.99 Save $144.00
  8. 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
  10. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. Ballistic Advantage Premium Series Fluted Barrel for Glock 17 Gen 5 - 1/2x28
    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
  20. 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
  22. 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
  23. 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
  24. 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
  27. 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
  28. Rosco Bloodline AR-15 16" 5.56 NATO 1:7 CMV Barrel
    Rosco Bloodline AR-15 16" 5.56 NATO 1:7 CMV Barrel
    $169.99 $186.99 $152.99 $169.99 Save $17.00
  32. 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
  33. 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
  35. 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
  36. Geissele Automatics Super Duty MOD1 AR-15 13.9" Pinned / 16" OAL 5.56 Upper Receiver with Free Float M-LOK Handguard - BLK
    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
  37. CMMG AR-15 4.5" .22 LR 1:16 CM Barrel Kit w/ Bolt Carrier
    CMMG AR-15 .22 LR 1:16 CM Barrel w/ Bolt Carrier Kit
    $324.99 $374.99 $259.99 $299.99 Save $75.00
  38. Battle Arms Development Authority Elite Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard - Black
    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
  39. Backup Tactical Threaded Barrel for Gen 1-4 Glock 17 Pistols - BLK
    Backup Tactical Threaded Barrel for Gen 1-4 Glock 17 Pistols
    Out of stock
    $169.99 $154.99 Save $15.00
  40. Geissele Automatics Super Duty MOD1 AR-15 14.5" Pinned / 16" OAL 5.56 Upper Receiver with Free Float M-LOK Handguard - BLK
    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
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