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Caliber
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  6. 5.56mm NATO 61 items
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Attachment Type
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Handguard Length
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  8. 12.25" 1 item
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  10. 13" 1 item
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  12. 15" 19 items
  13. 15.25" 2 items
  14. Carbine Length 1 item
  15. Mid Length 1 item
Handguard Style
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Upper Type
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  2. Rifle 37 items
Options
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  2. W/ BCG & CH 38 items
  3. W/O BCG & CH 3 items
Barrel Length
  1. 3.5" 1 item
  2. 3.7" 2 items
  3. 3.8" 1 item
  4. 3.9" 3 items
  5. 3.97" 1 item
  6. 4" 1 item
  7. 4.06" 1 item
  8. 4.3" 4 items
  9. 4.49" 3 items
  10. 4.5" 11 items
  11. 4.56" 1 item
  12. 4.60" 4 items
  13. 4.625" 1 item
  14. 4.8" 1 item
  15. 4.9" 1 item
  16. 5" 18 items
  17. 5.03" 1 item
  18. 5.1" 1 item
  19. 5.31" 2 items
  20. 5.46" 1 item
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  22. 5.75" 1 item
  23. 5.8" 1 item
  24. 6" 1 item
  25. 6.5" 1 item
  26. 7" 3 items
  27. 7.5" 5 items
  28. 8" 2 items
  29. 10" 2 items
  30. 10.3" 2 items
  31. 10.5" 8 items
  32. 11.5" 5 items
  33. 12" 1 item
  34. 12.3" 1 item
  35. 12.5" 6 items
  36. 13.7" 2 items
  37. 13.9" 3 items
  38. 13.95" 1 item
  39. 14.5" 11 items
  40. 14.7" 2 items
  41. 16" 58 items
  42. 16.1" 9 items
  43. 16.25" 1 item
  44. 16.75" 1 item
  45. 17.7" 1 item
  46. 18" 13 items
  47. 18.5" 1 item
  48. 20" 7 items
  49. 24" 2 items
Material
  1. 416R Stainless Steel 39 items
  2. 4150 Chrome Moly Vanadium 14 items
  3. Aluminum 23 items
  4. Chrome Moly Venadium Steel 14 items
  5. Stainless Steel 28 items
  6. Steel 22 items
Inventory
  1. In Stock 82 items
  2. Out of Stock 78 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. Beretta 3rd Gen Threaded Barrel for Beretta 92FS Compact - 1/2x28 - BLK
    Beretta 3rd Gen Threaded Barrel for Beretta 92FS Compact - 1/2x28
    (5)
    $295.99 $318.99 $174.99 $185.99 Save $144.00
  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. TacFire AR-15 5" Micro-Length Gas .223 / 5.56 1:5 Nitride Barrel
    TacFire AR-15 5.56 NATO Stainless Steel Barrel
    $109.99 $119.99 $69.99 $84.99 Save $50.00
  13. 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
  14. 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
  18. TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit- 5"
    TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit
    (1)
    $399.99 $264.99 $299.99 Save $135.00
  19. 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
    (1)
    $399.99 $279.99 $349.99 Save $120.00
  20. 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
  21. 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
  23. 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
  24. FN M4 Profile AR-15 14.7" Carbine-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
  25. Faxon Firearms Duty Series AR-15 Carbine-Length 5.56 NATO 1:7 Chrome Lined 4150 CMV Barrel -12.5"-Carbine-Medium
    Faxon Firearms Duty Series AR-15 Carbine-Length 5.56 NATO 1:7 Chrome Lined 4150 CMV Barrel
    $238.99 $242.99 $219.99 $223.99 Save $19.00
  28. Backup Tactical Threaded Barrel for Glock 43 / 43X Pistols - BLK
    Backup Tactical Threaded Barrel for Glock 43 / 43X Pistols
    $149.99 $139.99 Save $10.00
  29. 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
  30. Primary Weapons Systems UXR Elite .223 Wylde 14.5" Conversion Kit
    Primary Weapons Systems UXR Elite .223 Wylde Conversion Kit
    $575.99 $439.99 Save $136.00
  33. Battle Arms Development Authority Elite AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard - Black
    Battle Arms Development Authority Elite AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    $865.99 $824.99 Save $41.00
  34. 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
  37. San Tan Tactical Everything But The Lower AR-15 Build Kit - 16"
    San Tan Tactical Everything But The Lower AR-15 Build Kit
    $1,089.99 $980.99 Save $109.00
  39. 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
  40. 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
    $692.99 $659.99 Save $33.00
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