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  1. Barrel Length
    16"
Brand
  1. Aero Precision 8 items
  2. Aim Sports Inc 2 items
  3. Ballistic Advantage 35 items
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  5. Black Rain Ordnance 1 item
  6. Chiappa 2 items
  7. Christensen Arms 1 item
  8. CMMG 1 item
  9. Daniel Defense 5 items
  10. Diamondback 3 items
  11. Faxon Firearms 14 items
  12. FNH Magazines 3 items
  13. Geissele Automatics 4 items
  14. KAK Industry 1 item
  15. LBE Unlimited 4 items
  16. Luth-AR 1 item
  17. Nordic Components 1 item
  18. Noveske 2 items
  19. Odin Works 2 items
  20. Panzer Arms 1 item
  21. Primary Weapons Systems 3 items
  22. PROOF Research 7 items
  23. Q 1 item
  24. Rosco Manufacturing 8 items
  25. Seekins Precision 1 item
  26. Sig Sauer Magazines 1 item
  27. Sons of Liberty Gun Works 1 item
  28. Spike's Tactical 3 items
  29. TacFire Inc. 26 items
  30. True Precision 1 item
  31. Watchtower - F-1 1 item
Color
  1. Bead Blasted 13 items
  2. Black 106 items
  3. Black DLC 1 item
  4. Black Nitride 4 items
  5. Blue 1 item
  6. Brown 1 item
  7. Carbon Fiber 4 items
  8. Copper 1 item
  9. Desert Dirt Color 3 items
  10. Flat Dark Earth 4 items
  11. Olive Drab Green 1 item
  12. Orange 1 item
  13. Red 1 item
  14. Silver 10 items
  15. Stainless Steel 3 items
Thread Pattern
  1. 1/2x28 77 items
  2. 1/2x36 7 items
  3. 5/8x24 45 items
  4. M18x1.5 3 items
Platform
  1. AR-10 26 items
  2. AR-15 112 items
  3. AR-9 4 items
  4. Primary Weapons Systems 3 items
  5. Q 1 item
  6. Rimfire 3 items
  7. Ruger 4 items
  8. Sig Sauer 3 items
Caliber
  1. 22 ARC 3 items
  2. 22 Long Rifle 7 items
  3. 223 Remington 54 items
  4. 223 Wylde 17 items
  5. 243 Winchester 2 items
  6. 300 AAC Blackout 10 items
  7. 308 Winchester 19 items
  8. 350 Legend 4 items
  9. 45 Auto (ACP) 4 items
  10. 458 Socom 1 item
  11. 5.56mm NATO 66 items
  12. 5.7 x 28mm 1 item
  13. 6mm ARC 7 items
  14. 6.5 Creedmoor 5 items
  15. 6.5 Grendel 1 item
  16. 7.62 x 39mm 3 items
  17. 7.62 × 51mm NATO 1 item
  18. 8.6 Blackout 5 items
  19. 9mm Luger 9 items
Attachment Type
  1. KeyMod 1 item
  2. MLOK 43 items
  3. Picatinny 9 items
Handguard Length
  1. 4" 7 items
  2. 7" 3 items
  3. 8.9" 1 item
  4. 9" 1 item
  5. 10" 9 items
  6. 11.8" 2 items
  7. 12" 1 item
  8. 12.25" 2 items
  9. 13.5" 2 items
  10. 15" 26 items
  11. 16" 2 items
  12. Carbine Length 1 item
  13. Mid Length 1 item
Handguard Style
  1. Free Float 36 items
Upper Type
  1. Pistol 4 items
  2. Rifle 46 items
Options
  1. W/ BCG & CH 49 items
  2. W/O 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 42 items
  2. 4150 Chrome Moly Vanadium 22 items
  3. Aluminum 22 items
  4. Carbon Fiber 2 items
  5. Carbon Fiber / Steel 4 items
  6. Chrome Moly Venadium Steel 16 items
  7. Stainless Steel 8 items
  8. Steel 6 items
  9. Steel / Polymer 2 items
Inventory
  1. In Stock 87 items
  2. Out of Stock 62 items
Customer Rating
  1. 5
    4 items
  2. 3
    & up     5 items
  3. 2
    & up     6 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. TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit
    TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit
    $399.99 $264.99 $299.99 Save $135.00
  2. 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
  3. TacFire AR-15 .223 / 5.56 Upper Receiver
    TacFire AR-15 .223 / 5.56 Upper Receiver
    (1)
    $299.99 $259.99 $299.99 Save $40.00
  4. TacFire AR-15 Blowback .45 ACP 1:16 4140 Chrome Moly Steel Barrel - 5/8x24
    TacFire AR-15 Blowback .45 ACP 1:16 4140 Chrome Moly Steel Barrel - 5/8x24
    (1)
    $109.99 $79.99 $84.99 Save $30.00
  5. 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
  6. 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
  7. 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
  8. 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
  9. TacFire AR-15 9mm Upper Receiver
    TacFire AR-15 9mm Upper Receiver
    $314.99 $259.99 $279.99 Save $55.00
  10. TacFire AR-15 .45 ACP Upper Receiver
    TacFire AR-15 .45 ACP Upper Receiver
    (1)
    $399.99 $279.99 $289.99 Save $120.00
  15. TacFire AR-15 Blowback 9mm 1:10 4150 Chrome Moly Vanadium Barrel - 1/2x36
    TacFire AR-15 Blowback 9mm 1:10 4150 Chrome Moly Vanadium Barrel - 1/2x36
    $109.99 $64.99 $84.99 Save $45.00
  16. Panzer Arms AR57 ULT AR-15 Steel 5.7x28mm Upper Receiver w/ M-LOK Handguard
    Panzer Arms AR57 ULT AR-15 Steel 5.7x28mm Upper Receiver w/ M-LOK Handguard
    $644.99 $599.99 $619.99 Save $45.00
  17. Ballistic Advantage Premium Black AR-15 Mid-Length Gas .223 Wylde 1:8 Stainless Steel Barrel w/ .750 Lo 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 $134.99 $139.99 Save $111.00
  18. TacFire AR-15 Carbine-Length Gas .223 / 5.56 1:8 Nitride Barrel
    TacFire AR-15 Carbine-Length Gas .223 / 5.56 1:8 Nitride Barrel
    $115.99 $119.99 $69.99 $84.99 Save $50.00
  19. TacFire AR-15 .300 Blackout Unassembled Upper Receiver Kit
    TacFire AR-15 .300 Blackout Unassembled Upper Receiver Kit
    $499.99 $259.99 $269.99 Save $240.00
  20. Ballistic Advantage Modern Series AR-15 5.56 1:7 CMV Barrel
    Ballistic Advantage Modern Series AR-15 5.56 1:7 CMV Barrel
    $125.99 $195.99 $69.99 $99.99 Save $96.00
  21. 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
  22. 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
  23. Primary Weapons Systems UXR Elite .223 Wylde Conversion Kit
    Primary Weapons Systems UXR Elite .223 Wylde Conversion Kit
    $575.99 $439.99 Save $136.00
  24. Faxon Firearms Duty Series AR-10 8.6 Blackout 1:3 4150 CMV Barrel
    Faxon Firearms Duty Series AR-10 8.6 Blackout 1:3 4150 CMV Barrel
    $232.99 $244.99 $214.99 $225.99 Save $19.00
  25. 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
  26. 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
  28. 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
  30. Ballistic Advantage Modern Series AR-15 Mid-Length Gas 5.56 1:7 CMV Pencil Barrel
    Ballistic Advantage Modern Series AR-15 Mid-Length Gas 5.56 1:7 CMV Pencil Barrel
    $170.99 $180.99 $161.99 $171.99 Save $9.00
  32. TacFire AR-15 9mm Unassembled Upper Receiver Kit
    TacFire AR-15 9mm Unassembled Upper Receiver Kit
    $399.99 $259.99 Save $140.00
  36. 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
  37. PROOF Research AR-15 .300 BLK Stainless Steel Barrel
    PROOF Research AR-15 .300 BLK Stainless Steel Barrel
    $629.99 $749.99 $569.99 $649.99 Save $100.00
  38. 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
  39. TacFire AR-15 Pistol-Length Gas .300 Blackout 1:8 Nitride Barrel
    TacFire AR-15 Pistol-Length Gas .300 Blackout 1:8 Nitride Barrel
    $101.99 $109.99 $79.99 $104.99 Save $25.00
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