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  1. Caliber
    5.56mm NATO
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Thread Pattern
  1. 1/2x28 79 items
  2. 1/2x36 1 item
  3. 5/8x24 2 items
Platform
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  2. Primary Weapons Systems 1 item
Caliber
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  2. 12 Gauge 83 items
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  5. 22 Long Rifle 50 items
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  7. 223 Remington 151 items
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  27. 338 Lapua Magnum 1 item
  28. 338 Winchester Magnum 1 item
  29. 35 Whelen 1 item
  30. 350 Legend 8 items
  31. 357 SIG 12 items
  32. 375 H&H Magnum 1 item
  33. 380 Auto (ACP) 12 items
  34. 40 S&W 39 items
  35. 410 Gauge 3 items
  36. 45 Auto (ACP) 54 items
  37. 450 Bushmaster 3 items
  38. 45-70 Government 1 item
  39. 458 Socom 8 items
  40. 5.45 x 39mm 2 items
  41. 5.56mm NATO 266 items
  42. 5.7 x 28mm 9 items
  43. 6mm ARC 15 items
  44. 6mm Creedmoor 2 items
  45. 6mm Dasher 1 item
  46. 6mm GT 1 item
  47. 6mm Remington 3 items
  48. 6.5 Creedmoor 57 items
  49. 6.5 Grendel 15 items
  50. 6.5 PRC 5 items
  51. 7mm-08 Remington 1 item
  52. 7mm PRC 8 items
  53. 7mm Remington Magnum 1 item
  54. 7.62 x 39mm 38 items
  55. 7.62 × 51mm NATO 121 items
  56. 8.6 Blackout 8 items
  57. 9mm Luger 320 items
  58. 9x18 Makarov 3 items
Capacity
  1. 10-Round 2 items
Attachment Type
  1. KeyMod 1 item
  2. MLOK 23 items
  3. Picatinny 8 items
Handguard Length
  1. 4" 4 items
  2. 8.9" 1 item
  3. 9" 1 item
  4. 9.6" 1 item
  5. 10" 4 items
  6. 12" 1 item
  7. 12.25" 2 items
  8. 13.5" 2 items
  9. 15" 18 items
  10. Carbine Length 1 item
  11. Mid Length 1 item
Handguard Style
  1. Free Float 25 items
Upper Type
  1. Pistol 6 items
  2. Rifle 31 items
Options
  1. W/ BCG & CH 28 items
  2. W/O BCG & CH 14 items
Barrel Length
  1. 5" 5 items
  2. 7" 2 items
  3. 7.5" 6 items
  4. 8" 1 item
  5. 10" 2 items
  6. 10.3" 2 items
  7. 10.5" 10 items
  8. 11.3" 2 items
  9. 11.5" 5 items
  10. 12.3" 1 item
  11. 12.5" 4 items
  12. 13.7" 2 items
  13. 13.9" 4 items
  14. 14.5" 14 items
  15. 14.7" 3 items
  16. 16" 65 items
  17. 16.1" 3 items
  18. 16.25" 1 item
  19. 16.325" 1 item
  20. 16.5" 1 item
  21. 17.7" 2 items
  22. 18" 14 items
  23. 20" 10 items
Material
  1. 416R Stainless Steel 19 items
  2. 4140 Steel 3 items
  3. 4150 Chrome Moly Vanadium 13 items
  4. Aluminum 41 items
  5. Carbon Fiber / Steel 1 item
  6. Carbon Steel 1 item
  7. Chrome Moly Venadium Steel 14 items
  8. Chromoly Steel 2 items
  9. Parkerized Steel 1 item
  10. Polymer 2 items
  11. Stainless Steel 38 items
  12. Steel 116 items
  13. Titanium 1 item
Thread Pitch
  1. 1 3/8x24 1 item
  2. 1/2x28 161 items
  3. 1/2x28 Sig Taper 1 item
  4. 1/2x28 XL 1 item
  5. 1/2x36 7 items
  6. 3/4x24 2 items
  7. 5/8x24 78 items
  8. 5/8x24 Sig Taper 1 item
  9. 5/8x32 3 items
  10. 9/16x24 LH 2 items
  11. 9/16x24 RH 2 items
  12. 11/16x24 3 items
  13. M13.5x1 LH 2 items
  14. M13x1 LH 1 item
  15. M13x1 RH 1 item
  16. M14x1 LH 11 items
  17. M14x1 RH 1 item
  18. M15x1 4 items
  19. M18x1 1 item
  20. M18x1.5 AI 1 item
  21. M24x1.5mm RH 1 item
  22. M26x1.5mm LH 2 items
Inventory
  1. In Stock 201 items
  2. Out of Stock 65 items
Customer Rating
  1. 5
    41 items
  2. 4
    & up     46 items
  3. 3
    & up     47 items
  4. 2
    & up     49 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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  4. Geissele Automatics Super Duty MOD1 AR-15 16" 5.56 NATO Upper Receiver with 15" SMR MK16 M-LOK Handguard
    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
  5. Aero Precision M4E1 AR-15 Upper Receiver
    Aero Precision M4E1 AR-15 Upper Receiver
    Out of stock
    $175.99 $190.99 $159.99 $174.99 Save $16.00
  7. Aero Precision M4E1 AR-15 16" CMV 5.56 Upper Receiver w/ 15" ATLAS S-ONE M-LOK Handguard
    Aero Precision M4E1 AR-15 16" CMV 5.56 Upper Receiver w/ 15" ATLAS S-ONE M-LOK Handguard
    Out of stock
    $655.99 $690.99 $589.99 $624.99 Save $66.00
  9. Seekins Precision Match Grade AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    Seekins Precision Match Grade AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    Out of stock
    $395.99
  10. FN M16A2 Style 14.7" Carbine-Length Gas 5.56 NATO Barrel
    FN M16A2 Style 14.7" Carbine-Length Gas 5.56 NATO Barrel
    Out of stock
    $349.99 $135.99 Save $214.00
  16. Aim Sports AR-15 .223 / 5.56 Assembled Upper Receiver w/ Lower Build Kit
    Aim Sports AR-15 .223 / 5.56 Assembled Upper Receiver w/ Lower Build Kit
    Out of stock
    $599.99 $449.99 $462.99 Save $150.00
  17. Aim Sports AR-15 .223 / 5.56 Assembled Upper Receiver w/ M-LOK Handguard
    Aim Sports AR-15 .223 / 5.56 Assembled Upper Receiver w/ M-LOK Handguard
    Out of stock
    $459.99 $343.99 Save $116.00
  18. Sharps Bros. Badlands Muzzle Brake / Blast Deflector
    Sharps Bros. Badlands Muzzle Brake / Blast Deflector
    Out of stock
    $136.99 $129.99 Save $7.00
  21. Fortis Manufacturing Billet AR-15 Stripped Upper Receiver
    Fortis Manufacturing Billet AR-15 Stripped Upper Receiver
    Out of stock
    $199.99 $189.99 Save $10.00
  22. Watchtower - F-1 AR-15 16" Mid-Length Gas .223 Wylde 1:8 Spiral Fluted SS Barrel
    Watchtower - F-1 AR-15 16" Mid-Length Gas .223 Wylde 1:8 Spiral Fluted SS Barrel
    Out of stock
    $279.99 $258.99 Save $21.00
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