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  1. Color
    Black
  2. Caliber
    300 AAC Blackout
Brand
  1. Aero Precision 4 items
  2. Ballistic Advantage 2 items
  3. CMMG 1 item
  4. DMA Inc. 6 items
  5. Faxon Firearms 2 items
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Caliber
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  15. 300 AAC Blackout 24 items
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  48. 7mm PRC 1 item
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  50. 7.62 x 39mm 33 items
  51. 7.62 × 51mm NATO 111 items
  52. 8.6 Blackout 4 items
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  54. 9x18 Makarov 3 items
Attachment Type
  1. MLOK 2 items
Handguard Length
  1. 4" 1 item
  2. 10" 1 item
Handguard Style
  1. Free Float 1 item
Upper Type
  1. Pistol 1 item
Options
  1. W/ BCG & CH 2 items
Barrel Length
  1. 5" 3 items
  2. 6" 2 items
  3. 7.5" 3 items
  4. 8" 4 items
  5. 8.3" 1 item
  6. 8.5" 1 item
  7. 9" 2 items
  8. 10" 2 items
  9. 10.3" 1 item
  10. 10.5" 7 items
  11. 12.5" 1 item
  12. 14.5" 2 items
  13. 16" 6 items
  14. 16.1" 3 items
Material
  1. 416R Stainless Steel 3 items
  2. 4150 Chrome Moly Vanadium 4 items
  3. Aluminum 4 items
  4. Chrome Moly Venadium Steel 3 items
  5. Stainless Steel 6 items
  6. Steel 4 items
Thread Pitch
  1. 5/8x24 10 items
Inventory
  1. In Stock 16 items
  2. Out of Stock 8 items
Customer Rating
  1. 5
    5 items
  2. 3
    & 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!

  1. DMA Inc. A2 .30 Flash Hider - 5/8x24 - Black
    DMA Inc. A2 .30 Flash Hider - 5/8x24
    $12.99 $19.99 $8.99 $12.99 Save $7.00
  3. DMA Inc. XTS Flash Cone .300 AAC / .308 Small Muzzle Brake - 5/8x24 - Black
    DMA Inc. XTS Flash Cone .300 AAC / .308 Small Muzzle Brake - 5/8x24
    $27.99 $29.99 $19.99 $21.99 Save $8.00
  4. TacFire AR-15 .300 Blackout Upper Receiver - 10"
    TacFire AR-15 .300 Blackout Upper Receiver
    (2)
    $309.99 $399.99 $254.99 $299.99 Save $145.00
  5. DMA Inc. Competition .30 Muzzle Brake - 5/8x24 - Black
    DMA Inc. Competition .30 Muzzle Brake - 5/8x24
    (2)
    $31.99 $22.99 Save $9.00
  6. Ballistic Advantage Modern AR-15 6" Pistol-Length Gas .300 Blackout 1:7 CMV Barrel
    Ballistic Advantage Modern Series AR-15 Pistol-Length Gas .300 BLK 1:7 CMV Barrel
    $155.99 $180.99 $147.99 $171.99 Save $9.00
  7. DMA Inc. XTS Flash Cone .300 AAC / .308 Medium Muzzle Brake - 5/8x24 - Black
    DMA Inc. XTS Flash Cone .300 AAC / .308 Medium Muzzle Brake - 5/8x24
    $29.99 $21.99 Save $8.00
  8. DMA Inc. XTS Flash Cone .300 AAC / .308 Large Muzzle Brake - 5/8x24 - Black
    DMA Inc. XTS Flash Cone .300 AAC / .308 Large Muzzle Brake - 5/8x24
    (1)
    $29.99 $21.99 $23.99 Save $8.00
  9. Faxon Firearms Match Series AR-15 Pistol-Length Gas .300 Blackout SS Barrel-9"-1:8
    Faxon Firearms Match Series AR-15 Pistol-Length Gas .300 Blackout SS Barrel
    $188.99 $197.99 $173.99 $182.99 Save $15.00
  10. Faxon Firearms Duty Series AR-15 .300 Blackout 1:8 4150 CMV Barrel-10.5"-Pistol
    Faxon Firearms Duty Series AR-15 .300 Blackout 1:8 4150 CMV Barrel
    $160.99 $173.99 $148.99 $160.99 Save $13.00
  11. Primary Weapons Systems UXR Elite .300 Blackout 10.5" Conversion Kit
    Primary Weapons Systems UXR Elite .300 Blackout Conversion Kit
    $575.99 $499.99 Save $76.00
  12. TacFire AR-15 5" Micro-Length Gas .300 Blackout 1:7 Nitride Barrel
    TacFire AR-15 .300 Blackout Stainless Steel Barrel
    $101.99 $109.99 $79.99 $104.99 Save $30.00
  13. Ballistic Advantage Performance AR-15 8.3" Pistol-Length Gas .300 Blackout 1:7 CMV Barrel w/ Lo Pro Gas Block
    Ballistic Advantage Performance AR-15 .300 Blackout CMV Barrel w/ Lo Pro Gas Block
    Out of stock
    $209.99 $210.99 $199.99 $209.99 Save $11.00
  15. TacFire AR-15 300 Blackout Unassembled Pistol Kit w/ Lower Parts Kit - 10.5"
    TacFire AR-15 300 Blackout Unassembled Pistol Kit w/ Lower Parts Kit
    (1)
    $359.99 $499.99 $309.99 $329.99 Save $170.00
  16. CMMG AR-15 12.5" Pistol-Length Gas .300 Blackout 1:7 CM Barrel
    CMMG AR-15 .300 Blackout 1:7 CM Barrel
    $199.99 $224.99 $164.99 $179.99 Save $45.00
  17. Aero Precision VG6 Gamma 300BLK Muzzle Brake - 5/8x24
    Aero Precision VG6 Gamma 300BLK Muzzle Brake - 5/8x24
    Out of stock
    $90.99 $80.99 Save $10.00
  18. SilencerCo ASR Blast Shield
    SilencerCo ASR Blast Shield
    Out of stock
    $149.99 $126.99 Save $23.00
  22. Odin Works AR-15 10.5 Pistol-Length Gas .300 Blackout 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Odin Works AR-15 .300 Blackout 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Out of stock
    $245.99 $325.99 $232.99 $308.99 Save $17.00
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