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  1. Thread Pattern
    1/2x28
  2. Platform
    AR-15
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  1. Aero Precision 2 items
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Caliber
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  2. 22 Long Rifle 5 items
  3. 223 Remington 58 items
  4. 223 Wylde 17 items
  5. 300 AAC Blackout 1 item
  6. 350 Legend 4 items
  7. 5.56mm NATO 71 items
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  2. MLOK 38 items
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  8. 12" 1 item
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  10. 13.5" 2 items
  11. 15" 22 items
  12. 15.25" 2 items
  13. Carbine Length 1 item
  14. Mid Length 1 item
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Upper Type
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  2. Rifle 40 items
Options
  1. BCG Only 1 item
  2. W/ BCG & CH 46 items
  3. W/O BCG & CH 3 items
Barrel Length
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  2. 5" 8 items
  3. 6" 1 item
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  6. 7.5" 8 items
  7. 8" 2 items
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  10. 10.3" 2 items
  11. 10.5" 14 items
  12. 11.5" 3 items
  13. 12" 1 item
  14. 12.3" 1 item
  15. 12.5" 5 items
  16. 13.7" 2 items
  17. 13.9" 3 items
  18. 14.5" 11 items
  19. 14.7" 2 items
  20. 16" 66 items
  21. 16.1" 12 items
  22. 16.25" 1 item
  23. 16.325" 1 item
  24. 16.5" 1 item
  25. 17.7" 2 items
  26. 18" 18 items
  27. 20" 10 items
  28. 22" 1 item
  29. 24" 2 items
Material
  1. 416R Stainless Steel 20 items
  2. 4150 Chrome Moly Vanadium 13 items
  3. Aluminum 27 items
  4. Chrome Moly Venadium Steel 15 items
  5. Stainless Steel 7 items
  6. Steel 3 items
Inventory
  1. In Stock 69 items
  2. Out of Stock 30 items
Customer Rating
  1. 5
    4 items
  2. 4
    & up     5 items
  3. 2
    & up     6 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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  6. 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
    $724.99 $692.99 Save $32.00
  7. Ballistic Advantage Premium Black AR-15 .22 ARC 1:7 Stainless Steel Barrel
    Ballistic Advantage Premium Black AR-15 .22 ARC 1:7 Stainless Steel Barrel
    $245.99 $265.99 $232.99 $251.99 Save $14.00
  8. FightLite MCR Dual-Feed AR-15 16.25" Assembled Upper Receiver
    FightLite MCR Dual-Feed AR-15 16.25" Assembled Upper Receiver
    $6,399.99 $5,899.99 Save $500.00
  10. Ballistic Advantage Premium Black Series AR-15 .223 Wylde 1:8 SS Barrel w/ OPS 12
    Ballistic Advantage Premium Black Series AR-15 .223 Wylde 1:8 SS Barrel w/ OPS 12
    $205.99 $220.99 $194.99 $209.99 Save $11.00
  11. 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
  12. CMMG BANSHEE AR-15 5" CM 5.7x28 Upper Receiver w/ EML4 4" M-LOK Handguard
    CMMG BANSHEE AR-15 5" CM 5.7x28 Upper Receiver w/ EML4 4" M-LOK Handguard
    $899.99 $749.99 Save $150.00
  14. Odin Works AR-15 .22 ARC Stainless Steel Barrel w/ Tunable Gas Block
    Odin Works AR-15 .22 ARC Stainless Steel Barrel w/ Tunable Gas Block
    $400.99 $380.99 Save $20.00
  16. CMMG BANSHEE Mk4 AR-15 9" CM .22 LR Upper Receiver w/ EML7 7" M-LOK Handguard
    CMMG BANSHEE Mk4 AR-15 9" CM .22 LR Upper Receiver w/ EML7 7" M-LOK Handguard
    Out of stock
    $749.99 $589.99 Save $160.00
  17. 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
  19. Faxon Firearms Duty Series AR-15 5.56 NATO 1:8 4150 CMV Barrel
    Faxon Firearms Duty Series AR-15 5.56 NATO 1:8 4150 CMV Barrel
    $169.99 $191.99 $156.99 $176.99 Save $15.00
  20. Ballistic Advantage Performance Series AR-15 5.56 1:7 CMV Barrel w/ .750 Lo Pro Gas Block
    Ballistic Advantage Performance Series AR-15 5.56 1:7 CMV Barrel w/ .750 Lo Pro Gas Block
    $205.99 $235.99 $194.99 $223.99 Save $12.00
  21. Faxon Firearms Match Series AR-15 .223 Wylde 1:8 SS Barrel
    Faxon Firearms Match Series AR-15 .223 Wylde 1:8 SS Barrel
    $241.99 $302.99 $222.99 $278.99 Save $24.00
  22. Ballistic Advantage Modern Series AR-15 5.56 1:7 CMV Barrel
    Ballistic Advantage Modern Series AR-15 5.56 1:7 CMV Barrel
    $125.99 $195.99 $118.99 $185.99 Save $12.00
  23. Diamondback AR-15 5.56 NATO CMV Barrel
    Diamondback AR-15 5.56 NATO CMV Barrel
    $103.99 $92.99 Save $11.00
  24. CMMG AR-15 .22 LR 1:16 CM Barrel w/ Collar Kit
    CMMG AR-15 .22 LR 1:16 CM Barrel w/ Collar Kit
    $249.99 $199.99 Save $50.00
  25. Ballistic Advantage Premium Series AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    Ballistic Advantage Premium Series AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    (1)
    $200.99 $300.99 $190.99 $285.99 Save $15.00
  27. 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
    $245.99 $232.99 Save $13.00
  29. 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 $394.99 $348.99 $365.99 Save $29.00
  31. CMMG BANSHEE Mk4 AR-15 4.5" CM .22 LR Upper Receiver w/ EML4 4" M-LOK Handguard
    CMMG BANSHEE Mk4 AR-15 4.5" CM .22 LR Upper Receiver w/ EML4 4" M-LOK Handguard
    Out of stock
    $724.99 $589.99 Save $135.00
  32. Panzer Arms AR57 ULT AR-15 Steel 5.7x28mm Upper Receiver w/ M-LOK Handguard
    Panzer Arms AR57 ULT AR-15 Steel 5.7x28mm Upper Receiver w/ M-LOK Handguard
    Out of stock
    $644.99 $599.99 $619.99 Save $45.00
  33. 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
  34. 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
  38. 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
  39. Odin Works AR-15 .350 Legend Stainless Steel Barrel w/ Tunable Gas Block
    Odin Works AR-15 .350 Legend Stainless Steel Barrel w/ Tunable Gas Block
    Out of stock
    $0.00
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