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  1. Thread Pattern
    5/8x24
  2. Attachment Type
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  1. Aero Precision 4 items
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  2. W/O BCG & CH 4 items
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  14. 22" 1 item
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  2. Out of Stock 9 items
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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. TacFire AR-10 .308 / 7.62x51mm Upper Receiver
    TacFire AR-10 .308 / 7.62x51mm Upper Receiver
    $499.99 $354.99 $369.99 Save $145.00
  2. TacFire AR-15 .45 ACP Upper Receiver
    TacFire AR-15 .45 ACP Upper Receiver
    (1)
    $399.99 $279.99 $289.99 Save $120.00
  3. TacFire AR-15 300 Blackout Unassembled Pistol Kit w/ Lower Parts Kit
    TacFire AR-15 300 Blackout Unassembled Pistol Kit w/ Lower Parts Kit
    (1)
    $359.99 $499.99 $309.99 $329.99 Save $170.00
  4. TacFire AR-15 .45 ACP Unassembled Pistol Kit w/ Lower Parts Kit
    TacFire AR-15 .45 ACP Unassembled Pistol Kit w/ Lower Parts Kit
    $499.99 $309.99 $329.99 Save $190.00
  5. TacFire AR-10 .308 / 7.62x51 Unassembled Rifle Kit w/ Lower Parts Kit
    TacFire AR-10 .308 / 7.62x51 Unassembled Rifle Kit w/ Lower Parts Kit
    $699.99 $419.99 Save $280.00
  6. TacFire AR-15 .45 ACP Unassembled Upper Receiver Kit
    TacFire AR-15 .45 ACP Unassembled Upper Receiver Kit
    $449.99 $269.99 $274.99 Save $180.00
  7. TacFire AR-15 .300 Blackout Upper Receiver
    TacFire AR-15 .300 Blackout Upper Receiver
    (2)
    $309.99 $399.99 $254.99 $299.99 Save $145.00
  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
  12. Aero Precision M5 AR-10 16" SS .308 Upper Receiver w/ ATLAS S-ONE 15" M-LOK Handguard
    Aero Precision M5 AR-10 16" SS .308 Upper Receiver w/ ATLAS S-ONE 15" M-LOK Handguard
    Out of stock
    $780.99 $820.99 $699.99 $739.99 Save $81.00
  13. 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
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