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  1. Caliber
    5.56mm NATO
Brand
  1. Aero Precision 5 items
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  38. Phase 5 Weapon Systems 2 items
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  45. Seekins Precision 2 items
  46. Sharps Bros. 1 item
  47. SilencerCo 7 items
  48. Spike's Tactical 7 items
  49. Strike Industries 6 items
  50. Surefire 10 items
  51. TacFire Inc. 25 items
  52. Timber Creek Outdoors 2 items
  53. Troy Industries 1 item
  54. Ultradyne USA 2 items
  55. Yankee Hill Machine Co 10 items
Color
  1. Armor Black 1 item
  2. Bead Blasted 4 items
  3. Black 225 items
  4. Black Nitride 3 items
  5. Brown 1 item
  6. Carbon Fiber 1 item
  7. Dark Earth 1 item
  8. Desert Dirt Color 3 items
  9. Flat Dark Earth 8 items
  10. Gold 1 item
  11. Hard Coat Anodized 2 items
  12. Olive Drab Green 5 items
  13. Silver 9 items
  14. Sniper Gray 1 item
  15. Stainless Steel 16 items
  16. Tungsten 1 item
Thread Pattern
  1. 1/2x28 75 items
  2. 1/2x36 1 item
  3. 5/8x24 4 items
Platform
  1. AR-15 89 items
  2. Daniel Defense 1 item
  3. Primary Weapons Systems 1 item
Caliber
  1. 10mm Auto 9 items
  2. 12 Gauge 83 items
  3. 20 Gauge 6 items
  4. 204 Ruger 1 item
  5. 22 ARC 5 items
  6. 22 Long Rifle 48 items
  7. 22 WMR 1 item
  8. 22-250 Remington 2 items
  9. 223 Remington 153 items
  10. 223 Wylde 49 items
  11. 243 Winchester 2 items
  12. 25-06 Remington 1 item
  13. 260 Remington 1 item
  14. 270 Weatherby 1 item
  15. 270 Winchester 1 item
  16. 280 Ackley 1 item
  17. 280 Remington 1 item
  18. 300 AAC Blackout 39 items
  19. 300 PRC 4 items
  20. 300 RUM 1 item
  21. 300 Weatherby Magnum 1 item
  22. 300 Winchester Magnum 2 items
  23. 30-06 Springfield 2 items
  24. 30-30 Winchester 1 item
  25. 308 Winchester 119 items
  26. 338 ARC 4 items
  27. 338 Federal 1 item
  28. 338 Lapua 6 items
  29. 338 Lapua Magnum 1 item
  30. 35 Whelen 1 item
  31. 350 Legend 8 items
  32. 357 SIG 14 items
  33. 375 H&H Magnum 1 item
  34. 380 Auto (ACP) 17 items
  35. 40 S&W 38 items
  36. 410 Gauge 3 items
  37. 45 Auto (ACP) 47 items
  38. 45-70 Government 1 item
  39. 458 Socom 6 items
  40. 50 Action Express 1 item
  41. 5.45 x 39mm 1 item
  42. 5.56mm NATO 251 items
  43. 5.7 x 28mm 9 items
  44. 6mm ARC 11 items
  45. 6mm Creedmoor 2 items
  46. 6mm Dasher 1 item
  47. 6mm GT 1 item
  48. 6mm Remington 5 items
  49. 6.5 Creedmoor 41 items
  50. 6.5 Grendel 9 items
  51. 6.5 PRC 5 items
  52. 7mm-08 Remington 2 items
  53. 7mm PRC 8 items
  54. 7mm Remington Magnum 2 items
  55. 7.62 x 39mm 39 items
  56. 7.62 × 51mm NATO 113 items
  57. 8.6 Blackout 7 items
  58. 9mm Luger 321 items
Capacity
  1. 10-Round 2 items
Attachment Type
  1. KeyMod 1 item
  2. MLOK 30 items
  3. Picatinny 9 items
Handguard Length
  1. 4" 4 items
  2. 6.5" 1 item
  3. 7.5" 1 item
  4. 9" 1 item
  5. 9.6" 1 item
  6. 10" 4 items
  7. 12" 1 item
  8. 12.25" 2 items
  9. 12.5" 1 item
  10. 13" 1 item
  11. 13.5" 3 items
  12. 15" 21 items
  13. Carbine Length 1 item
  14. Mid Length 1 item
Handguard Style
  1. Free Float 32 items
Upper Type
  1. Pistol 8 items
  2. Rifle 35 items
Options
  1. BCG Only 1 item
  2. W/ BCG & CH 37 items
  3. W/O BCG & CH 10 items
Barrel Length
  1. 5" 5 items
  2. 5.5" 1 item
  3. 7" 3 items
  4. 7.5" 7 items
  5. 8" 1 item
  6. 10" 2 items
  7. 10.3" 2 items
  8. 10.5" 11 items
  9. 11.5" 7 items
  10. 12.3" 1 item
  11. 12.5" 6 items
  12. 13.7" 2 items
  13. 13.9" 4 items
  14. 13.95" 1 item
  15. 14.5" 13 items
  16. 14.7" 2 items
  17. 16" 63 items
  18. 16.1" 4 items
  19. 16.25" 1 item
  20. 16.5" 1 item
  21. 17.7" 2 items
  22. 18" 17 items
  23. 20" 11 items
Material
  1. 416R Stainless Steel 16 items
  2. 4150 Chrome Moly Vanadium 14 items
  3. Aluminum 42 items
  4. Carbon Fiber / Steel 1 item
  5. Carbon Steel 1 item
  6. Chrome Moly Venadium Steel 12 items
  7. Chromoly Steel 1 item
  8. Polymer 2 items
  9. Stainless Steel 36 items
  10. Steel 111 items
  11. Titanium 1 item
Thread Pitch
  1. 1 3/8x24 1 item
  2. 1/2x28 149 items
  3. 1/2x28 Sig Taper 1 item
  4. 1/2x28 XL 1 item
  5. 1/2x36 5 items
  6. 3/4x24 1 item
  7. 5/8x24 68 items
  8. 5/8x24 Sig Taper 1 item
  9. 9/16x24 LH 2 items
  10. 9/16x24 RH 1 item
  11. M13.5x1 LH 1 item
  12. M13x1 LH 1 item
  13. M13x1 RH 1 item
  14. M14x1 LH 10 items
  15. M15x1 2 items
  16. M18x1 1 item
  17. M18x1.5 AI 1 item
  18. M24x1.5mm RH 1 item
  19. M26x1.5mm LH 1 item
Inventory
  1. In Stock 183 items
  2. Out of Stock 57 items
Customer Rating
  1. 5
    47 items
  2. 4
    & up     52 items
  3. 3
    & up     53 items
  4. 2
    & up     56 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. Surefire Closed-Tine Flash Hider 5.56 - 1/2X28
    Surefire Closed-Tine Flash Hider 5.56 - 1/2X28
    Out of stock
    $169.99 $152.99 Save $17.00
  3. Aero Precision VG6 Epsilon 556SL Muzzle Brake - 1/2x28
    Aero Precision VG6 Epsilon 556SL Muzzle Brake - 1/2x28
    Out of stock
    $90.99 $80.99 Save $10.00
  4. Aero Precision VG6 Gamma 556SL Muzzle Brake - 1/2x28
    Aero Precision VG6 Gamma 556SL Muzzle Brake - 1/2x28
    Out of stock
    $90.99 $80.99 Save $10.00
  5. HuxWrx Safety Company Muzzle Brake-QD .223 / 5.56 1/2x28
    HuxWrx Safety Company Muzzle Brake-QD .223 / 5.56 1/2x28
    Out of stock
    $177.99 $139.99 Save $38.00
  6. Surefire 4 Prong Flash Hider 5.56mm -1/2X28
    Surefire 4 Prong Flash Hider 5.56mm -1/2X28
    Out of stock
    $199.99 $179.99 Save $20.00
  7. B&T Assault 3 Prong .223 / 5.56 Flash Hider - 1/2x28
    B&T Assault 3 Prong .223 / 5.56 Flash Hider - 1/2x28
    Out of stock

    Add to Cart to See Price.

    $120.99
  8. Seekins Precision ATC Muzzle Brake
    Seekins Precision ATC Muzzle Brake
    Out of stock
    $99.99 $95.99 Save $4.00
  9. Sharps Bros. Badlands Muzzle Brake / Blast Deflector
    Sharps Bros. Badlands Muzzle Brake / Blast Deflector
    Out of stock
    $136.99 $129.99 Save $7.00
  14. Ballistic Advantage Classic Series AR-15 5.56 1:7 CHF CL Barrel w/ Lo Pro Gas Block
    Ballistic Advantage Classic Series AR-15 5.56 1:7 CHF CL Barrel w/ Lo Pro Gas Block
    Out of stock
    $330.99 $313.99 Save $17.00
  15. 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 $379.99 Save $16.00
  16. Faxon ARAK-21 AR-15 5.56 NATO Upper Receiver w/ Picatinny Handguard
    Faxon ARAK-21 AR-15 5.56 NATO Upper Receiver w/ Picatinny Handguard
    Out of stock
    $999.99 $920.99 Save $79.00
  18. Geissele Automatics Super Duty MOD1 AR-15 13.9" Pinned / 16" OAL 5.56 Upper Receiver with Free Float M-LOK Handguard
    Geissele Automatics Super Duty MOD1 AR-15 13.9" Pinned / 16" OAL 5.56 Upper Receiver with Free Float M-LOK Handguard
    Out of stock
    $1,325.99 $1,450.99
  19. Geissele Automatics Super Duty MOD1 AR-15 14.5" Pinned / 16" OAL 5.56 Upper Receiver with Free Float M-LOK Handguard
    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
  20. 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
  27. 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
  28. 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
  29. Aero Precision M4E1 AR-15 16" 5.56 NATO Assembled 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
  32. Yankee Hill Machine Co 5.56 / 7.62 Blast Deflector
    Yankee Hill Machine Co 5.56 / 7.62 Blast Deflector
    Out of stock
    $99.99 $84.99 Save $15.00
  33. 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
  34. Lantac USA Dragon Muzzle Brake / SilencerCo ASR Suppressor Mount
    Lantac USA Dragon Muzzle Brake / SilencerCo ASR Suppressor Mount
    Out of stock
    $142.99 $163.99 $128.99 $147.99 Save $16.00
  39. Noveske KX5 Flash Suppressor
    Noveske KX5 Flash Suppressor
    Out of stock
    $135.99
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