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    Holosun
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  1. In Stock 9 items
Customer Rating
  1. 5
    9 items
  2. 4
    & up     11 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. Holosun 407C X2 2 MOA Dot Open Reflex Sight
    Holosun 407C X2 2 MOA Dot Open Reflex Sight
    Free Shipping
    (4)
    $218.99 $228.99 $185.99 $193.99 Save $35.00
  2. Holosun 507K X2 MRS 2 MOA Dot / 32 MOA Circle Reflex Sight
    Holosun 507K X2 MRS 2 MOA Dot / 32 MOA Circle Reflex Sight
    Free Shipping
    (1)
    $348.99 $376.99 $295.99 $319.99 Save $57.00
  3. 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
  4. Holosun 407K X2 6 MOA Dot Reflex Sight
    Holosun 407K X2 6 MOA Dot Reflex Sight
    Free Shipping
    (3)
    $264.99 $282.99 $224.99 $239.99 Save $43.00
  6. 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
  9. Holosun SCS MRS 2 MOA Dot / 32 MOA Circle Open Reflex Sight for Glock MOS Pistols
    Holosun SCS MRS 2 MOA Dot / 32 MOA Circle Open Reflex Sight for Glock MOS Pistols
    Free Shipping
    (4)
    $411.99 $349.99 Save $62.00
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