My Cart ()
Back Close
Filters
Now Shopping by
  1. Caliber
    5.56mm NATO
Brand
  1. Aero Precision 11 items
  2. Aim Sports Inc 4 items
  3. ATI Outdoors 1 item
  4. B&T (Brügger_&_Thomet) 2 items
  5. Ballistic Advantage 16 items
  6. Battle Arms Development 6 items
  7. Black Rain Ordnance 1 item
  8. Bravo Company USA 2 items
  9. CMMG 3 items
  10. Combat Application Technologies 3 items
  11. Daniel Defense 6 items
  12. Dead Air Silencers 8 items
  13. Diamondback 2 items
  14. DMA Inc. 20 items
  15. Energetic Armament 1 item
  16. FAB Defense 2 items
  17. Faxon Firearms 4 items
  18. FightLite 1 item
  19. FNH Magazines 4 items
  20. Fortis Manufacturing 3 items
  21. Geissele Automatics 4 items
  22. Gemtech 2 items
  23. Griffin Armament 3 items
  24. GrovTec 1 item
  25. Hiperfire 1 item
  26. HuxWrx 4 items
  27. KAK Industry 10 items
  28. Kaw Valley Precision 4 items
  29. Lantac USA 6 items
  30. LBE Unlimited 6 items
  31. Luth-AR 4 items
  32. Midwest Industries 5 items
  33. Mission First Tactical 2 items
  34. Noveske 4 items
  35. Odin Works 6 items
  36. Patriot Ordnance Factory 1 item
  37. Phase 5 Weapon Systems 2 items
  38. Primary Weapons Systems 10 items
  39. PROOF Research 2 items
  40. RISE Armament 1 item
  41. Rosco Manufacturing 4 items
  42. Seekins Precision 3 items
  43. Sharps Bros. 1 item
  44. SilencerCo 7 items
  45. Sons of Liberty Gun Works 1 item
  46. Spike's Tactical 7 items
  47. Strike Industries 6 items
  48. Surefire 11 items
  49. TacFire Inc. 28 items
  50. Timber Creek Outdoors 2 items
  51. Troy Industries 2 items
  52. Ultradyne USA 5 items
  53. Watchtower - F-1 1 item
  54. Yankee Hill Machine Co 10 items
Color
  1. Armor Black 1 item
  2. Bead Blasted 4 items
  3. Black 233 items
  4. Black Nitride 4 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 11 items
  10. Gold 1 item
  11. Gray 1 item
  12. Hard Coat Anodized 2 items
  13. Kodiak Brown 1 item
  14. Olive Drab Green 6 items
  15. Silver 14 items
  16. Sniper Gray 1 item
  17. Stainless Steel 15 items
  18. Tungsten 1 item
Thread Pattern
  1. 1/2x28 79 items
  2. 1/2x36 1 item
  3. 5/8x24 2 items
Platform
  1. AR-15 91 items
  2. Primary Weapons Systems 1 item
Caliber
  1. 10mm Auto 17 items
  2. 12 Gauge 83 items
  3. 20 Gauge 7 items
  4. 22 ARC 10 items
  5. 22 Long Rifle 50 items
  6. 22 WMR 1 item
  7. 223 Remington 151 items
  8. 223 Wylde 42 items
  9. 243 Winchester 5 items
  10. 25-06 Remington 1 item
  11. 260 Remington 1 item
  12. 270 Weatherby 1 item
  13. 270 Winchester 1 item
  14. 270 WSM 1 item
  15. 280 Remington 1 item
  16. 300 AAC Blackout 40 items
  17. 300 PRC 4 items
  18. 300 RUM 1 item
  19. 300 Weatherby Magnum 1 item
  20. 300 Winchester Magnum 2 items
  21. 30-06 Springfield 2 items
  22. 30-30 Winchester 1 item
  23. 308 Winchester 139 items
  24. 338 ARC 2 items
  25. 338 Federal 1 item
  26. 338 Lapua 8 items
  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!

Page
  1. Primary Weapons Systems FRC Flat 3-Port Compensator
    Primary Weapons Systems FRC Flat 3-Port Compensator
    $99.99 $84.99 Save $15.00
  2. Battle Arms Development Authority Elite Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Battle Arms Development Authority Elite Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    $865.99 $824.99 Save $41.00
  3. Yankee Hill Machine Co sRx Muzzle Brake
    Yankee Hill Machine Co sRx Muzzle Brake
    $99.99 $84.99 Save $15.00
  4. Yankee Hill Machine Co sRx Flash Hider
    Yankee Hill Machine Co sRx Flash Hider
    $99.99 $84.99 Save $15.00
  5. HIPERFIRE HIPERCOMP Gen2 Compensator
    HIPERFIRE HIPERCOMP Gen2 Compensator
    $69.99 $79.99 $65.99 $75.99 Save $4.00
  8. Daniel Defense AR-15 16" 5.56 1:7 CHF CMV Barrel
    Daniel Defense AR-15 16" 5.56 1:7 CHF CMV Barrel
    $375.99 $348.99 Save $27.00
  9. 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
  13. Troy Industries Claymore Muzzle Brake
    Troy Industries Claymore Muzzle Brake
    $59.99
  15. Aero Precision VG6 Delta 556 Flash Hider - 1/2x28
    Aero Precision VG6 Delta 556 Flash Hider - 1/2x28
    Coupon Available
    (1)
    $70.99 $49.99 Save $21.00
  16. Ultradyne USA Mercury Compensator
    Ultradyne USA Mercury Compensator
    Out of stock
    $119.99
  18. Ballistic Advantage Performance Series AR-15 5.56 1:7 CMV Barrel w/ .625 Lo Pro Gas Block
    Ballistic Advantage Performance Series AR-15 5.56 1:7 CMV Barrel w/ .625 Lo Pro Gas Block
    $220.99 $245.99 $209.99 $232.99 Save $13.00
  20. Yankee Hill Machine Co Phantom Smooth Compensator / Flash Hider
    Yankee Hill Machine Co Phantom Smooth Compensator / Flash Hider
    $36.99 $64.99 $36.99 $54.99 Save $10.00
  23. FAB Defense GL-CORE M Survival Mil-Spec / Commercial Stock with Built-In 10-Round Magazine Carrier
    FAB Defense GL-CORE M Survival Mil-Spec / Commercial Stock with Built-In 10-Round Magazine Carrier
    $99.99 $83.99 Save $16.00
  24. Ballistic Advantage Modern Series AR-15 Mid-Length Gas 5.56 1:7 CMV Pencil Barrel
    Ballistic Advantage Modern Series AR-15 Mid-Length Gas 5.56 1:7 CMV Pencil Barrel
    $170.99 $180.99 $84.99 Save $96.00
  25. Ballistic Advantage Premium Series AR-15 .223 Wylde 1:8 SS Barrel w/ OPS 12
    Ballistic Advantage Premium Series AR-15 .223 Wylde 1:8 SS Barrel w/ OPS 12
    $205.99 $220.99 $117.99 $129.99 Save $91.00
  27. 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
  29. Surefire 3 Prong Flash Hider
    Surefire 3 Prong Flash Hider
    Coupon Available
    $99.99 $89.99 Save $10.00
  32. Patriot Ordnance Factory Triple Port Muzzle Brake
    Patriot Ordnance Factory Triple Port Muzzle Brake
    (1)
    $60.99 $62.99 $56.99 $57.99 Save $5.00
  34. Rosco Purebred AR-15 .223 Wylde Stainless Steel Barrel
    Rosco Purebred AR-15 .223 Wylde Stainless Steel Barrel
    $221.99 $240.99 $198.99 $225.99 Save $24.00
  35. Spike's Tactical R2 Muzzle Brake
    Spike's Tactical R2 Muzzle Brake
    $58.99 $68.99 $52.99 $61.99 Save $7.00
  37. Spike's Tactical Dynacomp Muzzle Brake
    Spike's Tactical Dynacomp Muzzle Brake
    $89.99 $99.99 $80.99 $89.99 Save $10.00
  39. Battle Arms Development THUMPER Muzzle Brake
    Battle Arms Development THUMPER Muzzle Brake
    $68.99 $75.99 $61.99 $67.99 Save $8.00
  40. SilencerCo Bravo .223 / 5.56 Front Cap
    SilencerCo Bravo .223 / 5.56 Front Cap
    Out of stock
    $94.99 $79.99 Save $15.00
Page
Filter