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  1. Options
    W/ BCG & CH
Brand
  1. Aim Sports Inc 2 items
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  7. Faxon Firearms 2 items
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  18. TacFire Inc. 33 items
Color
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Thread Pattern
  1. .578x28 1 item
  2. 1/2x28 41 items
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Platform
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Caliber
  1. 10mm Auto 1 item
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  7. 350 Legend 3 items
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  9. 458 Socom 1 item
  10. 5.56mm NATO 28 items
  11. 5.7 x 28mm 4 items
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  14. 7.62 x 39mm 5 items
  15. 9mm Luger 6 items
Attachment Type
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  2. MLOK 61 items
  3. Picatinny 9 items
Handguard Length
  1. 4" 11 items
  2. 5.5" 4 items
  3. 7" 6 items
  4. 9" 1 item
  5. 9.6" 2 items
  6. 10" 12 items
  7. 11" 1 item
  8. 11.8" 2 items
  9. 12" 1 item
  10. 12.25" 2 items
  11. 13.5" 2 items
  12. 15" 21 items
  13. 15.25" 2 items
  14. 16" 2 items
  15. 17.5" 1 item
  16. Carbine Length 1 item
  17. Mid Length 1 item
Handguard Style
  1. Free Float 52 items
Upper Type
  1. Pistol 21 items
  2. Rifle 45 items
Options
  1. W/ BCG & CH 78 items
  2. W/O BCG & CH 53 items
Barrel Length
  1. 4" 5 items
  2. 4.5" 2 items
  3. 5" 13 items
  4. 6.5" 3 items
  5. 7" 7 items
  6. 7.5" 3 items
  7. 8" 4 items
  8. 8.5" 1 item
  9. 9" 1 item
  10. 10" 9 items
  11. 10.5" 9 items
  12. 12" 1 item
  13. 12.5" 3 items
  14. 14.5" 2 items
  15. 16" 49 items
  16. 16.1" 1 item
  17. 16.25" 1 item
  18. 18" 8 items
  19. 18.5" 1 item
  20. 20" 7 items
  21. 22" 1 item
  22. 24" 1 item
Material
  1. 4150 Chrome Moly Vanadium 1 item
  2. Aluminum 28 items
  3. Chrome Moly Venadium Steel 2 items
  4. Steel 3 items
  5. Steel / Polymer 2 items
Inventory
  1. In Stock 44 items
  2. Out of Stock 34 items
Customer Rating
  1. 5
    4 items
  2. 4
    & up     5 items
  3. 3
    & up     6 items
  4. 2
    & up     8 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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  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
  6. TacFire AR-15 .223 / 5.56 Unassembled Pistol Kit w/ Lower Parts Kit
    TacFire AR-15 .223 / 5.56 Unassembled Pistol Kit w/ Lower Parts Kit
    Out of stock
    $399.99 $279.99 $349.99 Save $120.00
  8. CMMG DISSENT Mk4 AR-15 6.5" .300 BLK Upper Receiver w/ 5.5" M-LOK Handguard
    CMMG DISSENT Mk4 AR-15 6.5" .300 BLK Upper Receiver w/ 5.5" M-LOK Handguard
    Out of stock
    $1,349.99 $1,024.99 Save $325.00
  16. CMMG BANSHEE Mk3 AR-10 12.5" CM .308 Upper Receiver w/ EML11 11" M-LOK Handguard
    CMMG BANSHEE Mk3 AR-10 12.5" CM .308 Upper Receiver w/ EML11 11" M-LOK Handguard
    Out of stock
    $1,049.99 $914.99 $954.99 Save $135.00
  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
  21. 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
  26. CMMG BANSHEE AR-15 8" CM 5.7x28 Upper Receiver w/ EML7 7" M-LOK Handguard
    CMMG BANSHEE AR-15 8" CM 5.7x28 Upper Receiver w/ EML7 7" M-LOK Handguard
    Out of stock
    $924.99 $804.99 $834.99 Save $120.00
  27. CMMG BANSHEE Mk10 AR-15 8" CM 10mm Upper Receiver w/ EML7 7" M-LOK Handguard
    CMMG BANSHEE Mk10 AR-15 8" CM 10mm Upper Receiver w/ EML7 7" M-LOK Handguard
    Out of stock
    $924.99 $804.99 $834.99 Save $120.00
  28. TacFire AR-15 7.62x39 Unassembled Upper Receiver Kit
    TacFire AR-15 7.62x39 Unassembled Upper Receiver Kit
    Out of stock
    $449.99 $299.99 $309.99 Save $150.00
  33. Faxon ARAK-21 AR-15 7.62x39 Upper Receiver w/ Picatinny Handguard
    Faxon ARAK-21 AR-15 7.62x39 Upper Receiver w/ Picatinny Handguard
    Out of stock
    $999.99 $920.99 Save $79.00
  34. 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 $637.99 Save $160.00
  35. 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
  36. 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
  37. RISE Armament AR-15 18" SS 22 ARC Assembled Upper Receiver with Free Float 15" M-LOK Handguard
    RISE Armament AR-15 18" SS 22 ARC Assembled Upper Receiver with Free Float 15" M-LOK Handguard
    $1,199.99 $999.99 Save $200.00
  38. 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
    $999.99 $920.99 Save $79.00
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