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  1. Thread Pattern
    1/2x28
  2. Platform
    AR-15
Brand
  1. Aero Precision 7 items
  2. Aim Sports Inc 2 items
  3. Ballistic Advantage 25 items
  4. Battle Arms Development 4 items
  5. CMMG 13 items
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Thread Pattern
  1. .578x28 1 item
  2. 1/2x28 115 items
  3. 1/2x36 9 items
  4. 5/8x24 53 items
Platform
  1. AR-15 115 items
  2. AR-9 4 items
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  7. Glock 73 items
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  14. Smith & Wesson 1 item
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  16. Walther 3 items
Caliber
  1. 22 ARC 10 items
  2. 22 Long Rifle 6 items
  3. 223 Remington 62 items
  4. 223 Wylde 18 items
  5. 300 AAC Blackout 1 item
  6. 350 Legend 5 items
  7. 5.56mm NATO 78 items
  8. 5.7 x 28mm 5 items
  9. 6mm ARC 1 item
  10. 9mm Luger 5 items
Attachment Type
  1. KeyMod 2 items
  2. MLOK 36 items
  3. Picatinny 7 items
Handguard Length
  1. 4" 6 items
  2. 5.5" 2 items
  3. 7" 2 items
  4. 8.9" 1 item
  5. 9" 1 item
  6. 9.6" 1 item
  7. 10" 4 items
  8. 12" 1 item
  9. 12.25" 2 items
  10. 13.5" 2 items
  11. 15" 21 items
  12. 15.25" 2 items
  13. Carbine Length 1 item
  14. Mid Length 1 item
Handguard Style
  1. Free Float 38 items
Upper Type
  1. Pistol 12 items
  2. Rifle 38 items
Options
  1. W/ BCG & CH 41 items
  2. W/O BCG & CH 7 items
Barrel Length
  1. 4.5" 2 items
  2. 5" 8 items
  3. 5.5" 1 item
  4. 6.5" 2 items
  5. 7" 2 items
  6. 7.5" 6 items
  7. 8" 3 items
  8. 8.3" 1 item
  9. 9" 2 items
  10. 9.2" 1 item
  11. 10" 2 items
  12. 10.3" 2 items
  13. 10.5" 12 items
  14. 11" 1 item
  15. 11.3" 2 items
  16. 11.5" 3 items
  17. 12" 1 item
  18. 12.3" 1 item
  19. 12.5" 4 items
  20. 13.7" 2 items
  21. 13.9" 4 items
  22. 14.5" 12 items
  23. 14.7" 3 items
  24. 16" 72 items
  25. 16.1" 11 items
  26. 16.25" 1 item
  27. 16.325" 1 item
  28. 16.5" 1 item
  29. 17.7" 2 items
  30. 18" 20 items
  31. 20" 12 items
  32. 22" 3 items
  33. 24" 4 items
Material
  1. 416R Stainless Steel 27 items
  2. 4150 Chrome Moly Vanadium 13 items
  3. Aluminum 26 items
  4. Chrome Moly Venadium Steel 21 items
  5. Stainless Steel 8 items
  6. Steel 6 items
Inventory
  1. In Stock 61 items
  2. Out of Stock 54 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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  1. 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
    $190.99 $300.99 $111.99 $149.99 Save $151.00
  2. 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
    $644.99 $599.99 $619.99 Save $45.00
  3. 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 $69.99 $99.99 Save $96.00
  4. 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 $117.99 $129.99 Save $91.00
  5. FN AR-15 5.56 NATO 1:7 CMV CHF CL Barrel
    FN AR-15 5.56 NATO 1:7 CMV CHF CL Barrel
    $399.99 $269.99 $289.99 Save $130.00
  6. Ballistic Advantage Premium AR-15 Mid-Length Gas .223 Wylde 1:8 SS Barrel w/ .750 Lo Pro Gas Block
    Ballistic Advantage Premium AR-15 Mid-Length Gas .223 Wylde 1:8 SS Barrel w/ .750 Lo Pro Gas Block
    $245.99 $260.99 $124.99 $139.99 Save $121.00
  8. Ballistic Advantage Classic Series AR-15 Carbine-Length Gas 5.56 1:7 CMV CL Barrel
    Ballistic Advantage Classic Series AR-15 Carbine-Length Gas 5.56 1:7 CMV CL Barrel
    $180.99 $185.99 $109.99 Save $76.00
  9. Ballistic Advantage Premium Black Series AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    Ballistic Advantage Premium Black Series AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    $200.99 $270.99 $117.99 $129.99 Save $141.00
  10. Ballistic Advantage Premium Black AR-15 Mid-Length Gas .223 Wylde 1:8 Stainless Steel Barrel w/ .750 Lo Pro Gas Block
    Ballistic Advantage Premium Black AR-15 Mid-Length Gas .223 Wylde 1:8 Stainless Steel Barrel w/ .750 Lo Pro Gas Block
    $245.99 $124.99 $129.99 Save $121.00
  12. TacFire AR-15 Carbine-Length Gas .223 / 5.56 1:8 Nitride Barrel
    TacFire AR-15 Carbine-Length Gas .223 / 5.56 1:8 Nitride Barrel
    $115.99 $119.99 $69.99 $84.99 Save $50.00
  13. 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
    $163.99 $191.99 $150.99 $176.99 Save $15.00
  14. CMMG AR-15 5.7x28 CM Barrel w/ Bolt Carrier Kit
    CMMG AR-15 5.7x28 CM Barrel w/ Bolt Carrier Kit
    $474.99 $524.99 $359.99 $414.99 Save $115.00
  16. DMA Inc. XTS AR-15 5.56 NATO 4150 CMV Barrel
    DMA Inc. XTS AR-15 5.56 NATO 4150 CMV Barrel
    $119.99 $144.99 $79.99 $115.99 Save $45.00
  22. Battle Arms Development WORKHORSE Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Battle Arms Development WORKHORSE Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Out of stock
    $692.99 $659.99 Save $33.00
  23. 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
    Out of stock
    $205.99 $235.99 $194.99 $223.99 Save $12.00
  25. Battle Arms Development Authority Elite AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Battle Arms Development Authority Elite AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    $865.99 $824.99 Save $41.00
  26. FightLite MCR Dual-Feed AR-15 16.25" Assembled Upper Receiver
    FightLite MCR Dual-Feed AR-15 16.25" Assembled Upper Receiver
    Out of stock
    $6,399.99 $5,899.99 Save $500.00
  27. 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
  29. 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 $834.99 Save $150.00
  30. 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
  32. 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
  33. 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
  34. 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
  36. 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
  38. 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 $637.99 Save $135.00
  40. Faxon Firearms Match Series AR-15 Rifle-Length Gas 22 ARC 1:7 Stainless Steel Barrel
    Faxon Firearms Match Series AR-15 Rifle-Length Gas 22 ARC 1:7 Stainless Steel Barrel
    $236.99 $310.99 $218.99 $286.99 Save $24.00
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