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  1. Platform
    AR-15
  2. Caliber
    5.56mm NATO
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  2. W/O BCG & CH 3 items
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  5. 16" 3 items
  6. 18" 1 item
  7. 20" 1 item
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  1. 416R Stainless Steel 1 item
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Customer Rating
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    4 items
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    & up     5 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. 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)
    $190.99 $300.99 $180.99 $285.99 Save $15.00
  2. CMMG DISSENT Mk4 AR-15 10.5" CM 5.56MM Upper Receiver w/ 9.6" M-LOK Handguard
    CMMG DISSENT Mk4 AR-15 10.5" CM 5.56MM Upper Receiver w/ 9.6" M-LOK Handguard
    (1)
    $1,349.99 $1,399.99 $1,024.99 $1,035.99 Save $364.00
  4. TacFire AR-15 .223 / 5.56 Upper Receiver
    TacFire AR-15 .223 / 5.56 Upper Receiver
    Out of stock
    (1)
    $299.99 $259.99 $299.99 Save $40.00
  5. TacFire AR-15 UP01C Stripped Upper Receiver Kit
    TacFire AR-15 UP01C Stripped Upper Receiver Kit
    Out of stock
    (1)
    $77.99 $59.99 Save $18.00
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