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  1. Platform
    Heckler & Koch
Brand
  1. Aim Sports Inc 3 items
  2. Heckler & Koch Magazines 31 items
  3. HI Viz Shooting Systems 1 item
  4. Holosun 1 item
  5. KynSHOT 1 item
  6. Leapers, Inc. 2 items
  7. Magpul 3 items
  8. Meprolight 7 items
  9. Midwest Industries 5 items
  10. Night Fision 2 items
  11. PTR Industries 8 items
  12. Trijicon 1 item
  13. TRUGLO 1 item
  14. XS Sight Systems 4 items
Color
  1. Black 46 items
  2. Black Anodized 2 items
  3. Green 7 items
  4. Green Front / Orange Rear 2 items
  5. Green Tritium with Orange Outline 2 items
  6. Green Tritium with White Outline 2 items
  7. Orange 3 items
  8. Silver 1 item
Thread Pattern
  1. 13.5x1LH 3 items
  2. 14.5x1 LH 2 items
  3. 16x1 LH 4 items
Platform
  1. 1911 181 items
  2. 2011 1 item
  3. Accuracy International 8 items
  4. Aero Precision 5 items
  5. AK-47 146 items
  6. AK-74 14 items
  7. AR-10 474 items
  8. AR-15 1818 items
  9. AR-9 141 items
  10. Archon 1 item
  11. Armscor 1 item
  12. Barrett 2 items
  13. Benelli 34 items
  14. Beretta 26 items
  15. Bolt-Action 143 items
  16. Browning 8 items
  17. Brugger & Thomet 1 item
  18. California Compliant ≤ 10rds 21 items
  19. Canik 8 items
  20. Century Arms 3 items
  21. CMMG 1 item
  22. Colt 6 items
  23. CZ 45 items
  24. Dan Wesson 1 item
  25. Daniel Defense 1 item
  26. Double Stack Pistol 124 items
  27. Escort 1 item
  28. FK BRNO 1 item
  29. FN 22 items
  30. Franchi 3 items
  31. German Sports Guns 2 items
  32. Glock 691 items
  33. Grand Power 2 items
  34. Heckler & Koch 70 items
  35. Henry Repeating Arms 12 items
  36. Hi-Point 3 items
  37. Howa 5 items
  38. Impact Precision 13 items
  39. IWI US 6 items
  40. Kalashnikov USA 1 item
  41. Kel-tec 3 items
  42. Kimber 149 items
  43. Kriss 3 items
  44. Lever Action 6 items
  45. Magnum Research 2 items
  46. Marlin 12 items
  47. Mauser 5 items
  48. Mossberg 48 items
  49. Panzer Arms 2 items
  50. PCC 29 items
  51. Primary Weapons Systems 7 items
  52. PTR 8 items
  53. Q 6 items
  54. Remington 117 items
  55. Revolver 25 items
  56. Rimfire 75 items
  57. Rossi 2 items
  58. Rost Martin 4 items
  59. Ruger 158 items
  60. Sako 2 items
  61. Savage Arms 18 items
  62. Semi-Automatic 8 items
  63. Shadow Systems 1 item
  64. Shotgun 167 items
  65. Sig Sauer 212 items
  66. Single Stack Pistol 63 items
  67. SKS 6 items
  68. Smith & Wesson 134 items
  69. Springfield Armory 46 items
  70. Steyr 1 item
  71. Stoeger 2 items
  72. Taurus 19 items
  73. Tikka 13 items
  74. Tristar 3 items
  75. Walther 23 items
  76. Weatherby 2 items
  77. Winchester 12 items
  78. Zermatt Arms 19 items
  79. ZEV Technologies 2 items
Caliber
  1. 40 S&W 2 items
  2. 45 Auto (ACP) 4 items
  3. 9mm Luger 3 items
Reticle Dot Size
  1. 2 MOA Dot / 32 MOA Circle 1 item
Reticle
  1. Circle 1 item
  2. Circle Dot 1 item
  3. Dot 1 item
Attachment Type
  1. KeyMod 1 item
  2. MLOK 7 items
Handguard Length
  1. 2.56" 1 item
  2. 5.65" 1 item
  3. 7.3" 1 item
  4. 9.31" 1 item
  5. 9.6" 1 item
  6. 10.3" 1 item
  7. 10.38" 1 item
  8. 11.66" 1 item
  9. 12" 1 item
  10. 13.65" 1 item
  11. 14.1" 1 item
  12. 15.9" 1 item
  13. 16" 1 item
Handguard Style
  1. Free Float 2 items
Sight Style
  1. Fiber Optic 1 item
  2. Fiber Optic / Tritium Night Sight 1 item
  3. Tritium Night Sight 19 items
Barrel Length
  1. 4.45" 2 items
  2. 4.46" 1 item
  3. 4.57" 1 item
  4. 4.7" 1 item
  5. 4.9" 1 item
  6. 5" 1 item
  7. 5.09" 1 item
  8. 5.2" 1 item
Material
  1. Aluminum 13 items
  2. Polymer 6 items
  3. Stainless Steel 1 item
  4. Steel 24 items
  5. Steel / Polymer 1 item
Footprint
  1. H&K VP9 1 item
Inventory
  1. In Stock 51 items
  2. Out of Stock 19 items
Customer Rating
  1. 5
    7 items
  2. 4
    & up     9 items
  3. 1
    & up     10 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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  5. Midwest Industries HK SP89 / MP5K M-LOK Handguard
    Midwest Industries HK SP89 / MP5K M-LOK Handguard
    Coupon Available
    (3)
    $131.99 $120.99 Save $11.00
  12. HK AR-15, MR556, HK416 Carbine Stock
    HK AR-15, MR556, HK416 Carbine Stock
    Out of stock
    (3)
    $94.99 $74.99 Save $20.00
  13. HK MP5 / HK90 Large Buttstock Push Pin
    HK MP5 / HK90 Large Buttstock Push Pin
    Out of stock
    $8.99 $7.99 Save $1.00
  14. Midwest Industries MP5 SD M-LOK Handguard
    Midwest Industries MP5 SD M-LOK Handguard
    Out of stock
    $179.99 $199.99 $169.99 $189.99 Save $10.00
  15. HK Threaded Barrel for USP45 Compact Tactical - 16x1 LH
    HK Threaded Barrel for USP45 Compact Tactical - 16x1 LH
    Out of stock
    $303.99 $252.99 Save $51.00
  17. PTR HG M-LOK Handguard
    PTR HG M-LOK Handguard
    Out of stock
    $99.99 $149.99 $89.99 $135.99 Save $14.00
  20. HK SP5, MP5, MP5SD Fixed Stock
    HK SP5, MP5, MP5SD Fixed Stock
    Out of stock
    $183.99 $152.99 Save $31.00
  21. HK SP5, MP5 HK94 3-Position Retractable Stock
    HK SP5, MP5 HK94 3-Position Retractable Stock
    Out of stock
    $820.99 $634.99 Save $186.00
  24. HK Drop-In Threaded Barrel for VP40 Pistols - 14.5x1 LH
    HK Drop-In Threaded Barrel for VP40 Pistols - 14.5x1 LH
    Out of stock
    $303.99 $238.99 Save $65.00
  26. HK Threaded Barrel for HK45 Compact
    HK Threaded Barrel for HK45 Compact
    Out of stock
    $205.99 $174.99 Save $31.00
  27. HK AR-10, MR762, HK417 Carbine Stock
    HK AR-10, MR762, HK417 Carbine Stock
    Out of stock
    (1)
    $89.99 $69.99 Save $20.00
  28. Midwest Industries HK MP5K Picatinny End Plate Adaptor
    Midwest Industries HK MP5K Picatinny End Plate Adaptor
    Out of stock
    $89.99 $79.99 Save $10.00
  29. PTR CS1 Collapsible Stock
    PTR CS1 Collapsible Stock
    Out of stock
    $267.99 $243.99 Save $24.00
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