





Click to see full view
Holosun
Overview
The Holosun 1x Micro Red Dot Sight - HS507K-X2 is a compact optic designed for quick target acquisition with its 2 MOA dot size, ideal for precision shooting. Constructed from aluminum, this durable red dot sight features a vibrant red reticle that enhances visibility in various lighting conditions. Commonly found in builds with a rifle gas system and chambered for .223 Wylde, this optic is a practical choice for those looking to improve their aiming capabilities.
Prices checked
Builders have added the Holosun 1x Micro Red Dot Sight - HS507K-X2 to their builds on GunPartPicker. Since April 2026, it ranks #229 of the 576 optics builders have added.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today all 9 retailers we track have it in stock. It dipped to $260.47 at Sportsman Warehouse for a stretch in October 2026, well under its usual $295.99, so sales do come around. Buying today, the lowest price is $295.99 at Brownells, above October's low of $260.47, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every optic by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Red Dot & Optic Guide →Check it against the live catalog:
The part most often added in each category by the builds that include this one

CMMG AR-15 Carbine Action Buffer Spring - 55CA9A2

Magpul AFG-2 Angled Fore Grip - Flat Dark Earth

SIG Sauer TANGO6 MSR 1-6x24mm Rifle Scope - Illuminated BDC6 Reticle

Sylvan Arms SA223TISD, 6.2″ 5.56/223 Suppressor, 1/2x28" DIRECT THREAD, Matte Black Cerakote Finish - SA223TISD

Magpul MOE-SL Grip Polymer Black

Forward Controls Design AR-15 Enhanced Extended Mag Release Serrated Ambidextrous
No reviews yet. Be the first to review this product!