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Caliber
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  2. 22 Long Rifle 16 items
  3. 223 Remington 66 items
  4. 223 Wylde 20 items
  5. 300 AAC Blackout 1 item
  6. 350 Legend 5 items
  7. 357 SIG 3 items
  8. 380 Auto (ACP) 1 item
  9. 5.56mm NATO 80 items
  10. 5.7 x 28mm 5 items
  11. 6mm ARC 1 item
  12. 9mm Luger 106 items
  13. 9x18 Makarov 1 item
Attachment Type
  1. KeyMod 2 items
  2. MLOK 36 items
  3. Picatinny 7 items
Handguard Length
  1. 4" 6 items
  2. 5.5" 2 items
  3. 7" 2 items
  4. 8.9" 1 item
  5. 9" 1 item
  6. 9.6" 1 item
  7. 10" 4 items
  8. 12" 1 item
  9. 12.25" 2 items
  10. 13.5" 2 items
  11. 15" 21 items
  12. 15.25" 2 items
  13. Carbine Length 1 item
  14. Mid Length 1 item
Handguard Style
  1. Free Float 38 items
Upper Type
  1. Pistol 12 items
  2. Rifle 38 items
Options
  1. W/ BCG & CH 41 items
  2. W/O BCG & CH 7 items
Barrel Length
  1. 3.5" 1 item
  2. 3.6" 1 item
  3. 3.68" 1 item
  4. 3.7" 2 items
  5. 3.76" 2 items
  6. 3.8" 2 items
  7. 3.88" 2 items
  8. 3.9" 4 items
  9. 3.97" 1 item
  10. 4" 1 item
  11. 4.06" 1 item
  12. 4.3" 3 items
  13. 4.35" 1 item
  14. 4.49" 3 items
  15. 4.5" 11 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. 4.75" 1 item
  22. 4.8" 1 item
  23. 5" 22 items
  24. 5.03" 4 items
  25. 5.1" 1 item
  26. 5.31" 2 items
  27. 5.5" 4 items
  28. 5.75" 1 item
  29. 5.8" 1 item
  30. 6.5" 2 items
  31. 7" 2 items
  32. 7.5" 6 items
  33. 8" 3 items
  34. 8.3" 1 item
  35. 9" 2 items
  36. 9.2" 1 item
  37. 10" 2 items
  38. 10.3" 2 items
  39. 10.5" 12 items
  40. 11" 1 item
  41. 11.3" 2 items
  42. 11.5" 3 items
  43. 12" 1 item
  44. 12.3" 1 item
  45. 12.5" 4 items
  46. 13.7" 2 items
  47. 13.9" 4 items
  48. 14.5" 13 items
  49. 14.7" 3 items
  50. 16" 77 items
  51. 16.1" 13 items
  52. 16.25" 1 item
  53. 16.325" 1 item
  54. 16.5" 1 item
  55. 16.75" 1 item
  56. 17.7" 2 items
  57. 18" 20 items
  58. 18.5" 2 items
  59. 20" 14 items
  60. 22" 3 items
  61. 24" 4 items
Material
  1. 416R Stainless Steel 80 items
  2. 4150 Chrome Moly Vanadium 15 items
  3. Aluminum 26 items
  4. Carbon Fiber 2 items
  5. Chrome Moly Venadium Steel 21 items
  6. Stainless Steel 49 items
  7. Steel 17 items
Inventory
  1. In Stock 123 items
  2. Out of Stock 112 items
Customer Rating
  1. 5
    25 items
  2. 4
    & up     26 items
  3. 1
    & up     28 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. Odin Works AR-15 .223 Wylde 1:8 Stainless Steel Barrel w/ 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
  3. Odin Works AR-15 Intermediate-Length Gas .223 Wylde 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Odin Works AR-15 Intermediate-Length Gas .223 Wylde 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Out of stock
    $345.99 $327.99 Save $18.00
  7. 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
  9. Aero Precision EPC-9 AR-15 16" 9mm CMV Upper Receiver w/ ATLAS S-ONE 15" M-LOK Handguard
    Aero Precision EPC-9 AR-15 16" 9mm CMV Upper Receiver w/ ATLAS S-ONE 15" M-LOK Handguard
    Out of stock
    $590.99 $625.99 $529.99 $564.99 Save $61.00
  10. Aero Precision M4E1 AR-15 16" CMV 5.56 Upper Receiver w/ 15" ATLAS S-ONE M-LOK Handguard
    Aero Precision M4E1 AR-15 16" CMV 5.56 Upper Receiver w/ 15" ATLAS S-ONE M-LOK Handguard
    Out of stock
    $655.99 $690.99 $589.99 $624.99 Save $66.00
  15. CMMG BANSHEE AR-15 8" CM 5.7x28 Upper Receiver w/ EML7 7" M-LOK Handguard
    CMMG BANSHEE AR-15 8" CM 5.7x28 Upper Receiver w/ EML7 7" M-LOK Handguard
    Out of stock
    $924.99 $804.99 $834.99 Save $120.00
  16. Ballistic Advantage Modern Series EPC AR-15 9mm 1:10 CMV Barrel
    Ballistic Advantage Modern Series EPC AR-15 9mm 1:10 CMV Barrel
    Out of stock
    $105.99 $155.99 $99.99 $147.99 Save $8.00
  17. Ballistic Advantage Premium AR-15 .22 ARC 1:7 Stainless Steel Barrel
    Ballistic Advantage Premium AR-15 .22 ARC 1:7 Stainless Steel Barrel
    Out of stock
    $245.99 $315.99 $232.99 $299.99 Save $16.00
  18. Ballistic Advantage Premium AR-15 24" Rifle+1-Length Gas .22 ARC 1:7 SS Barrel
    Ballistic Advantage Premium AR-15 24" Rifle+1-Length Gas .22 ARC 1:7 SS Barrel
    Out of stock
    $305.99 $345.99 $289.99 $327.99 Save $18.00
  19. Ballistic Advantage Premium Black AR-15 .22 ARC 1:7 Stainless Steel Barrel
    Ballistic Advantage Premium Black AR-15 .22 ARC 1:7 Stainless Steel Barrel
    Out of stock
    $245.99 $275.99 $232.99 $261.99 Save $14.00
  20. Seekins Precision Match Grade AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    Seekins Precision Match Grade AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    Out of stock
    $395.99
  21. 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
  33. Tyrant Designs Threaded Barrel for Gen 1-5 Glock 19, 19X, 45
    Tyrant Designs Threaded Barrel for Gen 1-5 Glock 19, 19X, 45
    Out of stock
    (2)
    $179.99 $99.99 Save $80.00
  34. Rival Arms V1 Threaded Barrel for Gen 3 / 4 Glock 17 Pistols
    Rival Arms V1 Threaded Barrel for Gen 3 / 4 Glock 17 Pistols
    Out of stock
    $239.99 $199.99 Save $40.00
  35. Lone Wolf Arms Dawn 365 1/2x28 Threaded Barrel for Sig P365 Pistols
    Lone Wolf Arms Dawn 365 1/2x28 Threaded Barrel for Sig P365 Pistols
    Out of stock
    $174.99 $159.99 Save $15.00
  37. Century Arms Canik TP9 SFX / SFL Fluted / Threaded Barrel - 1/2x28
    Century Arms Canik TP9 SFX / SFL Fluted / Threaded Barrel - 1/2x28
    Out of stock
    (2)
    $199.99 $109.99 $157.99 Save $90.00
  40. Lone Wolf Arms AlphaWolf 1/2x28 Threaded Barrel for Glock 19 Pistols
    Lone Wolf Arms AlphaWolf 1/2x28 Threaded Barrel for Glock 19 Pistols
    Out of stock
    $149.99 $136.99 Save $13.00
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