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Caliber
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  8. 5.56mm NATO 59 items
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Attachment Type
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Handguard Length
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  2. 5.5" 1 item
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  6. 10" 2 items
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  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
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  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
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  17. 4.9" 1 item
  18. 5" 18 items
  19. 5.03" 2 items
  20. 5.1" 1 item
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  22. 5.46" 1 item
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  24. 5.75" 1 item
  25. 5.8" 1 item
  26. 6" 1 item
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  28. 7.5" 6 items
  29. 8" 2 items
  30. 9" 1 item
  31. 9.2" 1 item
  32. 10" 1 item
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  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" 15 items
  51. 18.5" 1 item
  52. 20" 9 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 16 items
  5. Stainless Steel 37 items
  6. Steel 22 items
Inventory
  1. In Stock 83 items
  2. Out of Stock 81 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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  6. Lone Wolf Arms Dusk 19 1/2x28 Threaded Barrel for Gen 3 / 4 Glock 19 Pistols - BLK
    Lone Wolf Arms Dusk 19 1/2x28 Threaded Barrel for Gen 3 / 4 Glock 19 Pistols
    Out of stock
    $174.99 $159.99 Save $15.00
  7. Ballistic Advantage Performance AR-15 16" Mid-Length Gas 5.56 NATO 1:7 CMV Barrel w/ .625 Lo Pro Gas Block
    Ballistic Advantage Performance Series AR-15 5.56 1:7 CMV Barrel w/ .625 Lo Pro Gas Block
    $220.99 $245.99 $209.99 $232.99 Save $13.00
  9. True Precision 4.5" Threaded Barrel for Ruger RXM Pistols - 1/2x28 - Black
    True Precision 4.5" Threaded Barrel for Ruger RXM Pistols - 1/2x28
    $189.99 $199.99 $180.99 $189.99 Save $10.00
  11. Faxon Firearms Match Series AR-15 16" 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
  12. Battle Arms Development WORKHORSE AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard - Black
    Battle Arms Development WORKHORSE AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    $724.99 $692.99 Save $32.00
  13. Ballistic Advantage Premium Series Barrel for Glock 17 Gen 5 - 1/2x28
    Ballistic Advantage Premium Barrel for Glock 17 Pistols with 1/2x28 TPI
    $155.99 $175.99 $139.99 $157.99 Save $18.00
  15. 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
  16. RISE Armament AR-15 18" SS 6mm ARC Assembled Upper Receiver with Free Float 15" M-LOK Handguard - BLK
    RISE Armament AR-15 18" SS 6mm ARC Assembled Upper Receiver with Free-Float 15" M-LOK Handguard
    $1,199.99 $999.99 Save $200.00
  18. 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
  21. Backup Tactical Threaded Barrel for Glock 26 Pistols - BLK
    Backup Tactical Threaded Barrel for Glock 26 Pistols
    Out of stock
    $169.99 $154.99 Save $15.00
  25. Ballistic Advantage Premium Black AR-15 16" Rifle-Length Gas .22 ARC 1:7 Stainless Steel Barrel
    Ballistic Advantage Premium Black AR-15 .22 ARC 1:7 Stainless Steel Barrel
    $245.99 $305.99 $232.99 $289.99 Save $16.00
  26. 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
  27. 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
  30. 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
  31. 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
  32. Daniel Defense AR-15 16" 5.56 1:7 CHF CMV Barrel
    Daniel Defense AR-15 16" 5.56 1:7 CHF CMV Barrel
    $375.99 $394.99 $348.99 $365.99 Save $29.00
  33. Faxon Firearms Duty Series AR-15 16" Mid-Length Gas 5.56 NATO 1:8 4150 Steel Threaded Gunner Profile Barrel
    Faxon Firearms Duty Series AR-15 5.56 NATO 1:8 4150 CMV Barrel
    $163.99 $191.99 $150.99 $176.99 Save $15.00
  34. CMMG AR-15 16.1" .22 LR 1:16 CM Barrel w/ Collar Kit
    CMMG AR-15 .22 LR 1:16 CM Barrel w/ Collar Kit
    $199.99 $249.99 $174.99 $199.99 Save $50.00
  39. 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
  40. Fortis Manufacturing Match Grade Threaded Barrel for Glock Gen 1-5 19, 19X, 45 - 1/2x28 - BLK
    Fortis Manufacturing Match Grade Threaded Barrel for Glock Gen 1-5 19, 19X, 45 - 1/2x28
    $221.99 $231.99 $210.99 $220.99 Save $11.00
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