Answers for This riser doesn’t come with screws necessary to install. What screws do I need?

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Holosun + Red Dot Sights & Accessories Holosun Red Dot Sights & Accessories + Red Dot Sight Accessories Holosun Red Dot Sight Accessories + 510 Holosun 510 Red Dot Sight Accessories Holosun HS510C Riser Holosun HS510C Riser Q&A Question - This riser doesn’t come with screws necessary to inst Holosun + Red Dot Sights & Accessories Holosun Red Dot Sights & Accessories + 510 Holosun 510 Red Dot Sights & Accessories Holosun HS510C Riser Holosun HS510C Riser Q&A Question - This riser doesn’t come with screws necessary to inst

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Holosun HS510C Riser

$23.52 $19.99 Save 15%

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Answered by johnchip, member, from CT, United States, on August 08, 2026

To install the lower 1/3 spacer on a Holosun 510C, you need an M4-0.7 thread pitch screw with a total length of 10mm to 12mm and a narrow head.

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Holosun + Red Dot Sights & Accessories Holosun Red Dot Sights & Accessories + Red Dot Sight Accessories Holosun Red Dot Sight Accessories + 510 Holosun 510 Red Dot Sight Accessories Holosun HS510C Riser Holosun HS510C Riser Q&A Question - This riser doesn’t come with screws necessary to inst Holosun + Red Dot Sights & Accessories Holosun Red Dot Sights & Accessories + 510 Holosun 510 Red Dot Sights & Accessories Holosun HS510C Riser Holosun HS510C Riser Q&A Question - This riser doesn’t come with screws necessary to inst

Last updated 2026-08-08 UTC.