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  9. 3 MOA Dot / 27 MOA Circle 1 item
  10. 3 MOA Dot / 33 MOA Circle 1 item
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Adjustment
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Inventory
  1. In Stock 26 items
  2. Out of Stock 6 items
Customer Rating
  1. 5
    4 items
  2. 4
    & up     7 items
  3. 3
    & 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!

  2. Holosun 407C X2 2 MOA Dot Open Reflex Sight
    Holosun 407C X2 2 MOA Dot Open Reflex Sight
    Free Shipping
    (5)
    $218.99 $228.99 $185.99 $193.99 Save $35.00
  3. Holosun 507COMP CRS 2 MOA Dot / 8, 20, 32 MOA Circle Reflex Sight
    Holosun 507COMP CRS 2 MOA Dot / 8, 20, 32 MOA Circle Reflex Sight
    Free Shipping
    (3)
    $435.99 $470.99 $369.99 $399.99 Save $71.00
  4. Holosun 407COMP 6 MOA Dot Reflex Sight
    Holosun 407COMP 6 MOA Dot Reflex Sight
    $329.99 $352.99 $279.99 $289.99 Save $63.00
  5. Holosun 407C X3 2 MOA Dot Reflex Sight
    Holosun 407C X3 2 MOA Dot Reflex Sight
    $282.99 $294.99 $239.99 $249.99 Save $45.00
  6. Trijicon SRO Adjustable Red Reflex Sight
    Trijicon SRO Adjustable Red Reflex Sight
    Free Shipping
    (1)
    $771.99 $867.99 $549.99 $587.99 Save $280.00
  7. Trijicon RMR Type 2 Adjustable Reflex Sight
    Trijicon RMR Type 2 Adjustable Reflex Sight
    Rebate Available
    $720.99 $810.99 $499.99 $519.99 Save $291.00
  8. Holosun 507C X3 2 MOA Dot / 32 MOA Circle Reflex Sight
    Holosun 507C X3 2 MOA Dot / 32 MOA Circle Reflex Sight
    $352.99 $388.99 $299.99 $329.99 Save $59.00
  9. Holosun HE508T X2 MRS 2 MOA Dot / 32 MOA Circle Enclosed Reflex Sight
    Holosun HE508T X2 MRS 2 MOA Dot / 32 MOA Circle Enclosed Reflex Sight
    Free Shipping
    (2)
    $435.99 $470.99 $369.99 $399.99 Save $71.00
  10. Trijicon RMR HD Adjustable Red Reflex Sight
    Trijicon RMR HD Adjustable Red Reflex Sight
    $849.99 $774.00 Save $75.99
  11. Holosun 507C X2 MRS 2 MOA Dot / 32 MOA Circle Open Reflex Sight
    Holosun 507C X2 MRS 2 MOA Dot / 32 MOA Circle Open Reflex Sight
    Free Shipping
    (1)
    $274.99 $301.99 $232.99 $275.99 Save $42.00
  12. Athlon Optics Midas Beam 3 MOA Red Dot Sight
    Athlon Optics Midas Beam 3 MOA Red Dot Sight
    Free Shipping
    $349.99 $224.99 Save $125.00
  13. Trijicon RMR RM01 Type 2 3.25 MOA Red Dot Sight
    Trijicon RMR RM01 Type 2 3.25 MOA Red Dot Sight
    Rebate Available
    $668.99 $720.99 $474.99 Save $246.00
  14. Ameriglo Haven 5 MOA Red Dot Open Reflex Sight
    Ameriglo Haven 5 MOA Red Dot Open Reflex Sight
    Free Shipping
    $379.99 $209.99 Save $170.00
  15. Athlon Optics Midas Flash Red Reflex Sight
    Athlon Optics Midas Flash Red Reflex Sight
    Free Shipping
    $362.99 $224.99 $229.99 Save $138.00
  18. Meprolight MPO Pro-F 33 MOA Bullseye / 3 MOA Red Dot Sight
    Meprolight MPO Pro-F 33 MOA Bullseye / 3 MOA Red Dot Sight
    Free Shipping
    $439.99 $344.99 Save $95.00
  19. Trijicon Dual Defense Kit RMR Type 2 & M17/M18 Mounting Plate w/ Integrated Sights
    Trijicon Dual Defense Kit RMR Type 2 & M17/M18 Mounting Plate w/ Integrated Sights
    Rebate Available
    $925.99 $950.99 $614.99 Save $336.00
  20. Viridian RFX44 Green Dot Sight w/ Adapter Plate
    Viridian RFX44 Green Dot Sight w/ Adapter Plate
    Free Shipping
    $399.99 $459.99 $289.99 Save $170.00
  21. Viridian RFX45 Green Dot w/ Adapter Plate
    Viridian RFX45 Green Dot w/ Adapter Plate
    Free Shipping
    $399.99 $459.99 $284.99 Save $175.00
  22. Meprolight MPO-DF 3.5 MOA Red Dot Sight
    Meprolight MPO-DF 3.5 MOA Red Dot Sight
    Free Shipping
    (1)
    $209.99 $159.99 Save $50.00
  23. TRUGLO TRU-TEC Micro Red Dot Sight and RMR Mount
    TRUGLO TRU-TEC Micro Red Dot Sight and RMR Mount
    Free Shipping
    $272.99 $189.99 Save $83.00
  25. Truglo Nexus 3 MOA Red Dot Sight
    Truglo Nexus 3 MOA Red Dot Sight
    $189.99 $129.99 Save $60.00
  26. Viridian RFX35 Green 3 MOA Open Reflex Sight
    Viridian RFX35 Green 3 MOA Open Reflex Sight
    Free Shipping
    $289.99 $309.99 $179.99 $199.99 Save $110.00
  27. Trijicon RCR 3.25 MOA Enclosed Red Dot Sight
    Trijicon RCR 3.25 MOA Enclosed Red Dot Sight
    Out of stock
    (2)
    $849.99 $629.99 Save $220.00
  28. Holosun 507 PROMAX PRS 2 MOA Dot / 8, 20, 32 MOA Circle Reflex Sight
    Holosun 507 PROMAX PRS 2 MOA Dot / 8, 20, 32 MOA Circle Reflex Sight
    Out of stock
    $470.99 $505.99 $399.99 $429.99 Save $76.00
  29. Athlon Optics MIDAS TSR1-M Red Dot Sight
    Athlon Optics MIDAS TSR1-M Red Dot Sight
    Out of stock
    $262.99 $287.99 $184.99 $194.99 Save $93.00
  30. Lasermax ERDS 3 MOA Red Dot Sight
    Lasermax ERDS 3 MOA Red Dot Sight
    Out of stock
    $399.99 $274.99 Save $125.00
  31. Lasermax CRDS 3 MOA Red Dot Sight
    Lasermax CRDS 3 MOA Red Dot Sight
    Out of stock
    $209.99 $144.99 Save $65.00
  32. Riton Optics 3 Tactix PRD 3 2 MOA Red Dot Sight
    Riton Optics 3 Tactix PRD 3 2 MOA Red Dot Sight
    Out of stock
    $329.99 $264.99 Save $65.00
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