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  1. Brand
    CMMG
  2. Color
    Black
  3. Platform
    AR-15
Brand
  1. Accu-Tac 1 item
  2. Adaptive Tactical 3 items
  3. Aero Precision 35 items
  4. Aim Sports Inc 12 items
  5. ALG Defense 1 item
  6. Allen 1 item
  7. Amend2 3 items
  8. American Defense Manufacturing 2 items
  9. American Tactical Imports 2 items
  10. Angstadt Arms 6 items
  11. Arisaka Defense 6 items
  12. Armaspec 34 items
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  14. ATI Outdoors 11 items
  15. B&T Industries 19 items
  16. B5 Systems 22 items
  17. Ballistic Advantage 31 items
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  21. BlackHawk 3 items
  22. Blue Force Gear 8 items
  23. BOG 1 item
  24. Bootleg Inc 7 items
  25. Bravo Company USA 41 items
  26. Bulldog Cases & Vaults 1 item
  27. Bushnell 1 item
  28. Caldwell Shooting 9 items
  29. CMC Triggers 19 items
  30. CMMG 65 items
  31. Cole-TAC 2 items
  32. Colt 1 item
  33. Daniel Defense 12 items
  34. Diamondback 3 items
  35. Die Free Co 2 items
  36. DMA Inc. 61 items
  37. Doublestar Corp. 12 items
  38. Edgar Sherman Designs 5 items
  39. Elftmann Tactical 7 items
  40. Ergo Grips 14 items
  41. FAB Defense 34 items
  42. FailZero 1 item
  43. Faxon Firearms 19 items
  44. FightLite 1 item
  45. Firefield 5 items
  46. FNH Magazines 6 items
  47. Fortis Manufacturing 29 items
  48. Geissele Automatics 32 items
  49. GG&G 5 items
  50. Global Ordnance 1 item
  51. Griffin Armament 1 item
  52. Grip Pod Systems 5 items
  53. GrovTec 1 item
  54. Harris Engineering 1 item
  55. Heckler & Koch Magazines 1 item
  56. Hiperfire 12 items
  57. Hogue 12 items
  58. KAK Industry 17 items
  59. Kaw Valley Precision 17 items
  60. Kinetic Development Group 1 item
  61. KNS Precision 39 items
  62. KRISS USA 1 item
  63. Lancer Systems 1 item
  64. Lantac USA 11 items
  65. LaRue Tactical 11 items
  66. LBE Unlimited 45 items
  67. Leapers, Inc. 34 items
  68. Luth-AR 25 items
  69. LWRCI 5 items
  70. Magpul 51 items
  71. MDT 6 items
  72. Meprolight 2 items
  73. Method Dynamics 3 items
  74. Midwest Industries 33 items
  75. Mission First Tactical 13 items
  76. NcSTAR 12 items
  77. Night Fision 1 item
  78. Nordic Components 3 items
  79. Noveske 7 items
  80. Odin Works 42 items
  81. Otis Technology 1 item
  82. Panzer Arms 1 item
  83. Patriot Ordnance Factory 5 items
  84. Phase 5 Weapon Systems 11 items
  85. Primary Weapons Systems 7 items
  86. ProMag Magazines 11 items
  87. PROOF Research 1 item
  88. Q 1 item
  89. Radian Weapons 20 items
  90. Raven Concealment Systems 1 item
  91. Reptilia 7 items
  92. RISE Armament 19 items
  93. Rosco Manufacturing 6 items
  94. Samson Manufacturing Corp 18 items
  95. San Tan Tactical 12 items
  96. Savage Arms 3 items
  97. SB Tactical 6 items
  98. Scalarworks 5 items
  99. Seekins Precision 14 items
  100. Sharps Bros. 3 items
  101. Sig Sauer Magazines 7 items
  102. SilencerCo 1 item
  103. Sons of Liberty Gun Works 10 items
  104. Spartan Precision Equipment 5 items
  105. Spike's Tactical 24 items
  106. Strike Industries 24 items
  107. Sylvan Arms 3 items
  108. TacFire Inc. 120 items
  109. TacStar 1 item
  110. TangoDown Inc. 7 items
  111. Timber Creek Outdoors 5 items
  112. Timney Triggers USA 15 items
  113. TriggerTech 12 items
  114. Troy Industries 26 items
  115. TRUGLO 7 items
  116. Tyrant Designs 10 items
  117. Ultradyne USA 8 items
  118. Unity Tactical 1 item
  119. Viridian Weapon Technology 4 items
  120. VLTOR Weapon Systems 3 items
  121. Vortex 5 items
  122. Warne Scope Rings 9 items
  123. Watchtower - F-1 6 items
  124. WMD Guns 1 item
  125. XS Sight Systems 1 item
  126. XTech Tactical 2 items
  127. Yankee Hill Machine Co 27 items
Color
  1. Armor Black 10 items
  2. Black 65 items
  3. Charcoal Green 1 item
  4. Coyote 5 items
  5. Flat Dark Earth 2 items
  6. Midnight Bronze 6 items
  7. Silver 15 items
  8. Tungsten 6 items
Thread Pattern
  1. .578x28 1 item
  2. 1/2x28 5 items
  3. 5/8x24 2 items
Platform
  1. AR-10 12 items
  2. AR-15 65 items
  3. AR-9 1 item
  4. Bolt-Action 1 item
  5. California Compliant ≤ 10rds 1 item
  6. FN 1 item
  7. Rimfire 1 item
Caliber
  1. 10mm Auto 1 item
  2. 22 Long Rifle 6 items
  3. 300 AAC Blackout 1 item
  4. 350 Legend 1 item
  5. 5.7 x 28mm 1 item
  6. 6mm ARC 1 item
Capacity
  1. 10-Round 1 item
  2. 25-Round 2 items
Attachment Type
  1. MLOK 1 item
Handguard Length
  1. 7" 1 item
Handguard Style
  1. Free Float 1 item
Upper Type
  1. Pistol 1 item
Options
  1. W/ BCG & CH 1 item
Barrel Length
  1. 4.5" 1 item
  2. 5" 1 item
  3. 8" 3 items
  4. 9" 1 item
  5. 9.2" 1 item
  6. 12.5" 1 item
  7. 16" 1 item
  8. 16.1" 6 items
Material
  1. Aluminum 6 items
  2. Chrome Moly Venadium Steel 5 items
  3. Nylon 1 item
  4. Polymer 1 item
  5. Stainless Steel 2 items
  6. Steel 19 items
Inventory
  1. In Stock 51 items
  2. Out of Stock 14 items
Customer Rating
  1. 5
    19 items
  2. 4
    & up     23 items
  3. 1
    & up     24 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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  2. CMMG AR-15 5" 5.7x28 1:9 SS Barrel Kit w/ Bolt Carrier
    CMMG AR-15 5.7x28 CM Barrel w/ Bolt Carrier Kit
    $474.99 $524.99 $359.99 $414.99 Save $115.00
  4. CMMG Bravo AR-15 .22LR Conversion Kit with Three 10-Round Magazines
    CMMG Bravo AR-15 .22 LR Conversion Kit w/ Three 10-Round Magazines
    $229.99 $174.99 $184.99 Save $55.00
  5. CMMG Forward Assist Kit
    CMMG Forward Assist Kit
    (2)
    $16.99 $13.49 Save $3.50
  6. CMMG Low-Profile Gas Block - .625
    CMMG Low-Profile Gas Block - .625
    $39.99 $29.99 Save $10.00
  7. CMMG M4 Handguard Slip Ring Kit
    CMMG M4 Handguard Slip Ring Kit
    $11.99 $10.99 Save $1.00
  9. CMMG AR-15 9" .22 LR 1:16 CM Barrel w/ Collar Kit
    CMMG AR-15 .22 LR 1:16 CM Barrel w/ Collar Kit
    Out of stock
    $199.99 $249.99 $174.99 $199.99 Save $50.00
  10. CMMG AR-15 4.5" .22 LR 1:16 CM Barrel Kit w/ Bolt Carrier
    CMMG AR-15 .22 LR 1:16 CM Barrel w/ Bolt Carrier Kit
    Out of stock
    $324.99 $374.99 $259.99 $299.99 Save $75.00
  11. CMMG AR-15 8" Pistol-Length Gas .300 Blackout 1:7 CM Barrel
    CMMG AR-15 .300 Blackout 1:7 CM Barrel
    $199.99 $224.99 $164.99 $179.99 Save $45.00
  12. CMMG AR-15 Survival Parts Kit
    CMMG AR-15 Survival Parts Kit
    Out of stock
    $64.99 $54.99 Save $10.00
  13. CMMG AR-15 ZEROED Gunbuilder's Lower Parts Kit
    CMMG AR-15 ZEROED Gunbuilder's Lower Parts Kit
    Out of stock
    $89.95 $80.99 Save $8.96
  16. CMMG AR-15 .22 LR Auto Sear Trip Kit
    CMMG AR-15 .22 LR Auto Sear Trip Kit
    Out of stock
    (1)
    $59.99 $54.99 Save $5.00
  17. CMMG AR-15 16.1" .22 LR 1:16 CM Barrel
    CMMG AR-15 .22 LR 1:16 CM Barrel
    Out of stock
    $174.99 $149.99 Save $25.00
  18. CMMG BANSHEE Mk10 AR-15 8" CM 10mm Upper Receiver w/ EML7 7" M-LOK Handguard - Armor Black
    CMMG BANSHEE Mk10 AR-15 8" CM 10mm Upper Receiver w/ EML7 7" M-LOK Handguard
    Out of stock
    $924.99 $804.99 $834.99 Save $120.00
  19. CMMG AR-15 Fastback Receiver Extension
    CMMG AR-15 Fastback Receiver Extension
    Out of stock
    $59.99 $45.99 Save $14.00
  20. CMMG AR-15 6.5 Grendel / 6mm ARC Bolt Carrier Group
    CMMG AR-15 6.5 Grendel / 6mm ARC Bolt Carrier Group
    Out of stock
    $174.99 $158.99 Save $16.00
  21. CMMG AR-15 Front Sight Base Assembly
    CMMG AR-15 Front Sight Base Assembly
    Out of stock
    $49.99 $42.99 Save $7.00
  22. CMMG AR-15 Triangle Handguard Cap
    CMMG AR-15 Triangle Handguard Cap
    Out of stock
    $4.99 $4.49 Save $0.50
  23. CMMG ZEROED AR-15 Ambidextrous Charging Handle
    CMMG ZEROED AR-15 Ambidextrous Charging Handle
    Out of stock
    (1)
    $79.99 $72.99 Save $7.00
  24. CMMG AR-15 M16 .223 / 5.56 Bolt Carrier Group
    CMMG AR-15 M16 .223 / 5.56 Bolt Carrier Group
    Out of stock
    $174.99 $149.99 Save $25.00
  25. CMMG AR-15 16" Rifle-Length Gas 6mm ARC 1:7.5 SS Barrel
    CMMG AR-15 16" Rifle-Length Gas 6mm ARC 1:7.5 SS Barrel
    Out of stock
    $239.99 $199.99 Save $40.00
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