My Cart ()
Back Close
Filters
Now Shopping by
  1. Barrel Length
    18"
Brand
  1. American Tactical Imports 1 item
  2. Ballistic Advantage 24 items
  3. Diamondback 1 item
  4. Faxon Firearms 3 items
  5. FNH Magazines 3 items
  6. LBE Unlimited 1 item
  7. Odin Works 7 items
  8. Primary Weapons Systems 1 item
  9. PROOF Research 7 items
  10. RISE Armament 2 items
  11. Rosco Manufacturing 1 item
  12. Seekins Precision 1 item
  13. Sig Sauer Magazines 1 item
  14. Sons of Liberty Gun Works 2 items
  15. TacFire Inc. 7 items
Color
  1. Bead Blasted 8 items
  2. Black 33 items
  3. Carbon Fiber 4 items
  4. Patriot Brown 2 items
  5. Silver 10 items
  6. Stainless Steel 7 items
Thread Pattern
  1. 1/2x28 20 items
  2. 5/8x24 36 items
Platform
  1. AR-10 23 items
  2. AR-15 35 items
  3. Primary Weapons Systems 1 item
  4. Sig Sauer 3 items
Caliber
  1. 22 ARC 4 items
  2. 223 Remington 15 items
  3. 223 Wylde 12 items
  4. 243 Winchester 2 items
  5. 308 Winchester 17 items
  6. 350 Legend 1 item
  7. 5.56mm NATO 14 items
  8. 6mm ARC 9 items
  9. 6.5 Creedmoor 8 items
  10. 6.5 Grendel 4 items
Attachment Type
  1. MLOK 7 items
Handguard Length
  1. 10" 1 item
  2. 15" 2 items
  3. 15.25" 2 items
Handguard Style
  1. Free Float 7 items
Upper Type
  1. Rifle 8 items
Options
  1. W/ BCG & CH 8 items
Barrel Length
  1. 3.1" 7 items
  2. 3.15" 1 item
  3. 3.4" 3 items
  4. 3.43" 1 item
  5. 3.46" 4 items
  6. 3.5" 1 item
  7. 3.6" 2 items
  8. 3.68" 2 items
  9. 3.7" 6 items
  10. 3.76" 2 items
  11. 3.8" 2 items
  12. 3.88" 2 items
  13. 3.9" 5 items
  14. 3.97" 1 item
  15. 4" 12 items
  16. 4.02" 10 items
  17. 4.06" 2 items
  18. 4.1" 2 items
  19. 4.25" 1 item
  20. 4.3" 4 items
  21. 4.35" 1 item
  22. 4.4" 2 items
  23. 4.45" 2 items
  24. 4.46" 1 item
  25. 4.49" 13 items
  26. 4.5" 17 items
  27. 4.56" 1 item
  28. 4.57" 1 item
  29. 4.60" 13 items
  30. 4.625" 3 items
  31. 4.64" 1 item
  32. 4.68" 1 item
  33. 4.7" 1 item
  34. 4.75" 2 items
  35. 4.8" 1 item
  36. 4.9" 1 item
  37. 5" 34 items
  38. 5.03" 7 items
  39. 5.09" 1 item
  40. 5.1" 1 item
  41. 5.2" 4 items
  42. 5.25" 1 item
  43. 5.31" 2 items
  44. 5.5" 4 items
  45. 5.6" 1 item
  46. 5.75" 1 item
  47. 5.8" 1 item
  48. 6" 3 items
  49. 6.5" 3 items
  50. 6.61" 1 item
  51. 7" 8 items
  52. 7.5" 13 items
  53. 8" 15 items
  54. 8.3" 3 items
  55. 8.5" 4 items
  56. 9" 7 items
  57. 9.2" 1 item
  58. 10" 12 items
  59. 10.3" 4 items
  60. 10.4" 1 item
  61. 10.5" 27 items
  62. 11" 1 item
  63. 11.3" 2 items
  64. 11.5" 6 items
  65. 12" 6 items
  66. 12.3" 1 item
  67. 12.5" 13 items
  68. 13.7" 2 items
  69. 13.9" 4 items
  70. 14.5" 26 items
  71. 14.7" 3 items
  72. 16" 149 items
  73. 16.1" 19 items
  74. 16.25" 2 items
  75. 16.325" 1 item
  76. 16.5" 5 items
  77. 16.75" 1 item
  78. 17.7" 2 items
  79. 18" 62 items
  80. 18.5" 11 items
  81. 20" 69 items
  82. 21" 2 items
  83. 22" 20 items
  84. 24" 29 items
  85. 26" 21 items
  86. 28" 3 items
Material
  1. 416R Stainless Steel 28 items
  2. 4150 Chrome Moly Vanadium 4 items
  3. Carbon Fiber 2 items
  4. Carbon Fiber / Steel 4 items
  5. Chrome Moly Venadium Steel 4 items
  6. Stainless Steel 10 items
  7. Steel 4 items
Inventory
  1. In Stock 36 items
  2. Out of Stock 26 items
Customer Rating
  1. 5
    2 items
  2. 3
    & up     3 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!

Page
  1. TacFire AR-10 .308 / 7.62x51mm Upper Receiver
    TacFire AR-10 .308 / 7.62x51mm Upper Receiver
    $499.99 $354.99 $369.99 Save $145.00
  2. FN AR-15 5.56 NATO 1:7 CMV CHF CL Barrel
    FN AR-15 5.56 NATO 1:7 CMV CHF CL Barrel
    $399.99 $269.99 $289.99 Save $130.00
  4. PROOF Research Sig Sauer Cross .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Sig Sauer Cross .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,299.99 $1,149.99 Save $150.00
  5. TacFire AR-10 .308 / 7.62x51 Unassembled Rifle Kit w/ Lower Parts Kit without Forward Assist
    TacFire AR-10 .308 / 7.62x51 Unassembled Rifle Kit w/ Lower Parts Kit without Forward Assist
    $599.99 $404.99 Save $195.00
  6. PROOF Research Sig Sauer Cross 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Sig Sauer Cross 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,199.99 $1,029.99 Save $170.00
  7. TacFire AR-10 6.5 Creedmoor Unassembled Rifle Kit w/ Lower Parts Kit
    TacFire AR-10 6.5 Creedmoor Unassembled Rifle Kit w/ Lower Parts Kit
    $799.99 $429.99 $529.99 Save $370.00
  8. TacFire AR-10 .308 / 7.62x51mm Low Profile Unassembled Upper Receiver Kit
    TacFire AR-10 .308 / 7.62x51mm Low Profile Unassembled Upper Receiver Kit
    (1)
    $599.99 $374.99 Save $225.00
  9. PROOF Research AR-15 .223 Wylde Stainless Steel Barrel
    PROOF Research AR-15 .223 Wylde Stainless Steel Barrel
    $629.99 $749.99 $569.99 $649.99 Save $100.00
  11. TacFire AR-10 Mid-Length Gas .308 / 7.62x51 1:10 4150 Nitride Barrel
    TacFire AR-10 Mid-Length Gas .308 / 7.62x51 1:10 4150 Nitride Barrel
    $134.99 $139.99 $111.99 $119.99 Save $23.00
  12. TacFire AR-10 .308 / 7.62x51 Upper Receiver without Forward Assist
    TacFire AR-10 .308 / 7.62x51 Upper Receiver without Forward Assist
    $599.99 $369.99 Save $230.00
  13. PROOF Research AR-15 .223 Wylde 1:7 Carbon Fiber-Wrapped Barrel
    PROOF Research AR-15 .223 Wylde 1:7 Carbon Fiber-Wrapped Barrel
    $999.99 $1,149.99 $899.99 $999.99 Save $150.00
  14. PROOF Research AR-15 6mm ARC 1:7.5 Stainless Steel Barrel
    PROOF Research AR-15 6mm ARC 1:7.5 Stainless Steel Barrel
    $749.99 $649.99 Save $100.00
  16. PROOF Research AR-15 6mm ARC 1:7.5 Carbon Fiber-Wrapped Barrel
    PROOF Research AR-15 6mm ARC 1:7.5 Carbon Fiber-Wrapped Barrel
    $1,149.99 $999.99 Save $150.00
  19. RISE Armament AR-15 18" SS 6mm ARC Assembled Upper Receiver with Free-Float 15" M-LOK Handguard
    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
  20. TacFire AR-10 .308 / 7.62x51 Unassembled Rifle Kit w/ Lower Parts Kit
    TacFire AR-10 .308 / 7.62x51 Unassembled Rifle Kit w/ Lower Parts Kit
    $699.99 $419.99 Save $280.00
  25. Ballistic Advantage Premium Black Series AR-15 .223 Wylde 1:8 SS Barrel w/ OPS 12
    Ballistic Advantage Premium Black Series AR-15 .223 Wylde 1:8 SS Barrel w/ OPS 12
    $205.99 $220.99 $129.99 $139.99 Save $81.00
  26. Ballistic Advantage Premium Series AR-15 .223 Wylde 1:8 SS Barrel w/ OPS 12
    Ballistic Advantage Premium Series AR-15 .223 Wylde 1:8 SS Barrel w/ OPS 12
    $205.99 $220.99 $129.99 $144.99 Save $76.00
  27. Ballistic Advantage Premium Series AR-15 6mm ARC 1:7 SS Barrel
    Ballistic Advantage Premium Series AR-15 6mm ARC 1:7 SS Barrel
    $235.99 $315.99 $169.99 $189.99 Save $126.00
  28. Ballistic Advantage Premium Series AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    Ballistic Advantage Premium Series AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    $190.99 $300.99 $124.99 $149.99 Save $151.00
  29. Ballistic Advantage Premium Black Series AR-15 6mm ARC 1:7 SS Barrel
    Ballistic Advantage Premium Black Series AR-15 6mm ARC 1:7 SS Barrel
    $245.99 $275.99 $154.99 $184.99 Save $101.00
  30. Sig Sauer Cross 6.5 Creedmoor Caliber X-Change Kit
    Sig Sauer Cross 6.5 Creedmoor Caliber X-Change Kit
    $599.99 $699.99 $499.99 $584.99 Save $115.00
  31. Rosco Purebred AR-15 .223 Wylde Stainless Steel Barrel
    Rosco Purebred AR-15 .223 Wylde Stainless Steel Barrel
    Out of stock
    $221.99 $240.99 $198.99 $225.99 Save $24.00
  32. Ballistic Advantage Premium Series AR-15 6.5 Grendel 1:8 SS Barrel
    Ballistic Advantage Premium Series AR-15 6.5 Grendel 1:8 SS Barrel
    $204.99 $305.99 $204.99 $289.99 Save $16.00
  33. Ballistic Advantage Modern AR-10 .308 Win 1:10 CMV Barrel
    Ballistic Advantage Modern AR-10 .308 Win 1:10 CMV Barrel
    $199.99 $250.99 $199.99 $237.99 Save $13.00
  34. Faxon Firearms Duty Series AR-15 5.56 NATO 1:8 4150 CMV 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
  35. 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 $238.99 $279.99 Save $61.00
  36. Faxon Firearms Match Series AR-10 .308 Winchester Stainless Steel Barrel
    Faxon Firearms Match Series AR-10 .308 Winchester Stainless Steel Barrel
    $319.99 $322.99 $294.99 $297.99 Save $25.00
Page
Filter