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  1. Platform
    AR-15
  2. Caliber
    5.56mm NATO
Brand
  1. Aero Precision 7 items
  2. Aim Sports Inc 2 items
  3. Ballistic Advantage 16 items
  4. Battle Arms Development 4 items
  5. Black Rain Ordnance 1 item
  6. CMMG 1 item
  7. Daniel Defense 5 items
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  9. DMA Inc. 3 items
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  20. Odin Works 5 items
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  22. Rosco Manufacturing 4 items
  23. Seekins Precision 1 item
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  25. TacFire Inc. 12 items
  26. Watchtower - F-1 1 item
Color
  1. Armor Black 1 item
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  5. Brown 1 item
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  12. Silver 10 items
  13. Tungsten 1 item
Thread Pattern
  1. 1/2x28 78 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 1 item
  2. 22 ARC 10 items
  3. 22 Long Rifle 12 items
  4. 223 Remington 70 items
  5. 223 Wylde 23 items
  6. 300 AAC Blackout 25 items
  7. 338 ARC 1 item
  8. 350 Legend 8 items
  9. 45 Auto (ACP) 5 items
  10. 458 Socom 1 item
  11. 5.56mm NATO 91 items
  12. 5.7 x 28mm 5 items
  13. 6mm ARC 14 items
  14. 6.5 Grendel 12 items
  15. 7.62 x 39mm 8 items
  16. 9mm Luger 15 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" 13 items
  15. 14.7" 3 items
  16. 16" 64 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 18 items
  2. 4150 Chrome Moly Vanadium 13 items
  3. Aluminum 27 items
  4. Carbon Fiber / Steel 1 item
  5. Chrome Moly Venadium Steel 14 items
  6. Polymer 2 items
  7. Stainless Steel 5 items
Inventory
  1. In Stock 56 items
  2. Out of Stock 35 items
Customer Rating
  1. 5
    6 items
  2. 4
    & up     7 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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  3. 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
  6. 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
  7. CMMG DISSENT Mk4 AR-15 10.5" CM 5.56MM Upper Receiver w/ 9.6" M-LOK Handguard
    CMMG DISSENT Mk4 AR-15 10.5" CM 5.56MM Upper Receiver w/ 9.6" M-LOK Handguard
    (1)
    $1,349.99 $1,399.99 $1,024.99 $1,035.99 Save $364.00
  8. 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 $161.99 $171.99 Save $9.00
  9. 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 $194.99 $209.99 Save $11.00
  11. 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
  13. Battle Arms Development WORKHORSE AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Battle Arms Development WORKHORSE AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Out of stock
    $724.99 $692.99 Save $32.00
  14. 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
  15. FN Button-Rifled AR-15 5.56 NATO 1:7 CMV Barrel
    FN Button-Rifled AR-15 5.56 NATO 1:7 CMV Barrel
    $299.99 $238.99 $279.99 Save $61.00
  16. Rosco Bloodline AR-15 16" 5.56 NATO 1:7 CMV Barrel
    Rosco Bloodline AR-15 16" 5.56 NATO 1:7 CMV Barrel
    $169.99 $186.99 $152.99 $169.99 Save $17.00
  17. TacFire AR-15 .223 / 5.56 Upper Receiver
    TacFire AR-15 .223 / 5.56 Upper Receiver
    Out of stock
    (1)
    $299.99 $259.99 $299.99 Save $40.00
  18. TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit
    TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit
    $399.99 $264.99 $299.99 Save $135.00
  19. TacFire AR-15 UP01C Stripped Upper Receiver Kit
    TacFire AR-15 UP01C Stripped Upper Receiver Kit
    Out of stock
    (1)
    $77.99 $59.99 Save $18.00
  25. Aero Precision AR-15 16" 5.56 Upper Receiver w/ Magpul MOE SL M-LOK Handguard
    Aero Precision AR-15 16" 5.56 Upper Receiver w/ Magpul MOE SL M-LOK Handguard
    Out of stock
    $460.99 $414.99 Save $46.00
  26. 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
    $300.99 $330.99 $285.99 $313.99 Save $17.00
  27. LBE Unlimited AR-15 16" 5.56 NATO 1:7 CMV Barrel
    LBE Unlimited AR-15 16" 5.56 NATO 1:7 CMV Barrel
    Out of stock
    $134.99 $159.99 $134.99 $146.99 Save $13.00
  28. Odin Works AR-15 .223 Wylde 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Odin Works AR-15 .223 Wylde 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Out of stock
    $205.99 $345.99 $194.99 $327.99 Save $18.00
  30. Odin Works AR-15 Intermediate-Length Gas .223 Wylde 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Odin Works AR-15 Intermediate-Length Gas .223 Wylde 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Out of stock
    $345.99 $327.99 Save $18.00
  34. 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
  35. 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
  37. 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
  39. 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
  40. 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
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