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  1. Color
    Black
  2. Handguard Length
    15"
Brand
  1. Aero Precision 8 items
  2. Angstadt Arms 1 item
  3. Ballistic Advantage 1 item
  4. Battle Arms Development 7 items
  5. Black Rain Ordnance 1 item
  6. Bootleg Inc 1 item
  7. Bravo Company USA 2 items
  8. CMMG 2 items
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  10. DMA Inc. 3 items
  11. Faxon Firearms 1 item
  12. Geissele Automatics 6 items
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  14. Lantac USA 1 item
  15. Leapers, Inc. 2 items
  16. Luth-AR 3 items
  17. Mesa Tactical 1 item
  18. Midwest Industries 7 items
  19. Mission First Tactical 1 item
  20. Noveske 2 items
  21. Phase 5 Weapon Systems 1 item
  22. Primary Weapons Systems 4 items
  23. Reptilia 1 item
  24. RISE Armament 1 item
  25. Samson Manufacturing Corp 1 item
  26. Seekins Precision 3 items
  27. Sharps Bros. 1 item
  28. Sig Sauer Magazines 1 item
  29. TacFire Inc. 7 items
  30. Yankee Hill Machine Co 1 item
Color
  1. Armor Black 1 item
  2. Black 74 items
  3. Black / Blue 1 item
  4. Black / Red 1 item
  5. Black Anodized 2 items
  6. Black Nitride 2 items
  7. Blue 2 items
  8. Bronze 2 items
  9. Carbon Fiber 1 item
  10. Desert Dirt Color 6 items
  11. Flat Dark Earth 2 items
  12. Green 1 item
  13. Nickel Boron 1 item
  14. Olive Drab Green 3 items
  15. Purple 2 items
  16. Raw 1 item
  17. Red 2 items
  18. Silver 1 item
Thread Pattern
  1. 1/2x28 18 items
  2. 1/2x36 1 item
  3. 5/8x24 7 items
Platform
  1. AR-10 8 items
  2. AR-15 65 items
  3. AR-9 2 items
  4. Benelli 1 item
  5. CMMG 1 item
  6. Ruger 1 item
Caliber
  1. 223 Remington 15 items
  2. 223 Wylde 3 items
  3. 300 AAC Blackout 1 item
  4. 308 Winchester 3 items
  5. 350 Legend 1 item
  6. 45 Auto (ACP) 1 item
  7. 458 Socom 1 item
  8. 5.56mm NATO 17 items
  9. 6.5 Creedmoor 1 item
  10. 6.5 Grendel 1 item
  11. 7.62 x 39mm 2 items
Attachment Type
  1. KeyMod 3 items
  2. MLOK 67 items
  3. Picatinny 3 items
Handguard Length
  1. 2.2" 1 item
  2. 2.56" 1 item
  3. 4" 11 items
  4. 4.25" 3 items
  5. 4.5" 1 item
  6. 5" 1 item
  7. 5.5" 4 items
  8. 5.65" 1 item
  9. 6" 6 items
  10. 6.5" 2 items
  11. 6.7" 4 items
  12. 6.75" 2 items
  13. 7" 16 items
  14. 7.25" 2 items
  15. 7.29" 1 item
  16. 7.3" 1 item
  17. 7.5" 6 items
  18. 8" 5 items
  19. 8.375" 1 item
  20. 8.5" 2 items
  21. 9" 12 items
  22. 9.2" 1 item
  23. 9.25" 6 items
  24. 9.29" 1 item
  25. 9.3" 6 items
  26. 9.31" 1 item
  27. 9.5" 10 items
  28. 9.6" 6 items
  29. 9.9" 1 item
  30. 10" 29 items
  31. 10.3" 1 item
  32. 10.5" 23 items
  33. 11" 3 items
  34. 11.3" 1 item
  35. 11.5" 1 item
  36. 11.66" 1 item
  37. 11.8" 4 items
  38. 12" 8 items
  39. 12.25" 2 items
  40. 12.4" 2 items
  41. 12.5" 9 items
  42. 12.58" 1 item
  43. 12.6" 1 item
  44. 12.625" 7 items
  45. 12.7" 1 item
  46. 12.76" 1 item
  47. 12.9" 2 items
  48. 13" 10 items
  49. 13.375" 2 items
  50. 13.4" 1 item
  51. 13.5" 20 items
  52. 13.7" 5 items
  53. 13.75" 1 item
  54. 13.8" 2 items
  55. 14" 9 items
  56. 14.1" 1 item
  57. 14.32" 5 items
  58. 14.4" 1 item
  59. 14.8" 1 item
  60. 15" 74 items
  61. 15.2" 1 item
  62. 15.25" 4 items
  63. 15.3" 4 items
  64. 15.5" 9 items
  65. 15.75" 1 item
  66. 16" 4 items
  67. 16.5" 1 item
  68. 17" 5 items
  69. 17.5" 6 items
  70. Carbine Length 20 items
  71. Extended Carbine Length 3 items
  72. Mid Length 10 items
  73. Rifle Length 4 items
Handguard Style
  1. Free Float 69 items
Upper Type
  1. Rifle 26 items
Options
  1. BCG Only 1 item
  2. W/ BCG & CH 21 items
  3. W/O BCG & CH 7 items
Barrel Length
  1. 4" 1 item
  2. 5" 1 item
  3. 7" 2 items
  4. 10" 2 items
  5. 10.5" 1 item
  6. 14.5" 1 item
  7. 16" 19 items
  8. 16.1" 7 items
  9. 18" 2 items
  10. 20" 4 items
  11. 24" 1 item
Material
  1. 416R Stainless Steel 3 items
  2. 4150 Chrome Moly Vanadium 4 items
  3. Aluminum 59 items
  4. Carbon Fiber 1 item
Inventory
  1. In Stock 45 items
  2. Out of Stock 21 items
Customer Rating
  1. 5
    9 items
  2. 4
    & up     11 items
  3. 3
    & up     13 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. Midwest Industries G4 One Piece Free Float 10.5" M-LOK Handguard
    Midwest Industries G4 One Piece Free Float M-LOK Handguard
    (2)
    $187.99 $219.99 $176.99 $209.99 Save $11.00
  2. Bootleg Inc CamLok M-LOK 9.2" Handguard
    Bootleg Inc CamLok M-LOK Handguard
    $149.99 $165.99 $145.99 $159.99 Save $6.00
  3. Geissele Automatics MK14 M-LOK 13.5" Super Modular Rail - Black
    Geissele Automatics MK14 M-LOK Super Modular Rail
    $300.99 $400.99 $300.99 $400.99 Save $35.00
  4. Luth-AR AR-15 The Palm M-LOK 15" Handguard
    Luth-AR AR-15 The Palm M-LOK Handguard
    $79.99 $99.99 $76.99 $93.99 Save $6.00
  5. 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
  6. Geissele Automatics MK16 MLOK 10.5" Super Modular Rail - BLK
    Geissele Automatics MK16 M-LOK Super Modular Rail
    (1)
    $300.99 $400.99
  7. 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
  9. Leapers UTG Super Slim Free Float 9" Handguard - Black
    Leapers UTG Pro Super Slim Free-Float Handguard
    $79.99 $149.99 $64.99 $129.99 Save $25.00
  10. Midwest Industries Combat Rail T-Series One-Piece Free-Float 10" Handguard
    Midwest Industries Combat Rail T-Series One-Piece Picatinny Handguard
    (2)
    $178.99 $241.99 $167.99 $230.99 Save $11.00
  12. Yankee Hill Machine Co MR7 M-LOK 15" Handguard
    Yankee Hill Machine Co MR7 M-LOK Handguard
    (1)
    $118.99 $234.99
  13. Midwest Industries Slim Line One Piece Free Float M-LOK 10.5" Handguard
    Midwest Industries Slim Line One Piece Free Float M-LOK Handguard
    $167.99 $188.99 $157.99 $178.99 Save $11.00
  14. Aero Precision AR-10 ATLAS R-ONE M-LOK 15" Black Handguard
    Aero Precision ATLAS R-ONE M5 M-LOK Handguard
    Out of stock
    $220.99 $250.99 $199.99 $224.99 Save $26.00
  16. Seekins Precision NOXS M-LOK 9.125" Handguard
    Seekins Precision NOXS M-LOK Handguard
    Out of stock
    $239.99
  21. Noveske NSR Gen 3 M-LOK 15" Handguard
    Noveske NSR Gen 3 M-LOK Handguard
    Out of stock
    $295.99
  22. Sharps Bros. Full Top Rail M-LOK 15" Handguard
    Sharps Bros. Full Top Rail M-LOK Handguard
    Out of stock
    $146.99 $159.99 $139.99 $151.99 Save $8.00
  25. Aero Precision MOD 4 M-LOK 15" Handguard - Black
    Aero Precision MOD 4 M-LOK 15" Handguard
    Out of stock
    $299.99 $247.99 Save $52.00
  27. Ballistic Advantage Logic Series M-LOK 15" Handguard
    Ballistic Advantage Logic Series M-LOK 15" Handguard
    Out of stock
    $200.99 $190.99 Save $10.00
  28. Geissele Automatics Super Duty MOD1 AR-15 14.5" Pinned / 16" OAL 5.56 Upper Receiver with Free Float M-LOK Handguard - BLK
    Geissele Automatics Super Duty MOD1 AR-15 14.5" Pinned / 16" OAL 5.56 Upper Receiver with Free Float M-LOK Handguard
    Out of stock
    $1,325.99 $1,450.99
  29. Geissele Automatics Super Duty MOD1 AR-15 16" 5.56 NATO Upper Receiver with 15" SMR MK16 M-LOK Handguard - BLK
    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
  30. Aero Precision AR-15 ATLAS R-ONE M-LOK 15" Handguard - Black
    Aero Precision AR-15 ATLAS R-ONE M-LOK 15" Handguard
    Out of stock
    $225.99 $204.99 Save $21.00
  33. Aero Precision M4E1-T AR-15 16" 5.56 NATO Upper Receiver w/ ATLAS R-ONE 15" M-LOK Handguard
    Aero Precision M4E1 AR-15 16" 5.56 NATO Assembled Upper Receiver w/ ATLAS R-ONE 15" M-LOK Handguard
    Out of stock
    $579.99 $589.99 $374.99 Save $215.00
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