Bundle including the Holosun HE507K-GR X2 open reflex sight and a lower 1/3 co-witness Picatinny mount. Features Lock Mode, Super Green LED with up to 50k hours life, Multi-Reticle System, and a 6061 T6 aluminum co-witness mount.
The Holosun HE507K-GR X2 is an open reflex sight designed for concealed-carry pistol applications; this listing also includes a lower 1/3 co-witness Picatinny mount. The HE507K-GR X2 adds Lock Mode to prevent inadvertent setting changes, redesigned low-profile buttons, and Holosun’s Super Green LED rated up to 50,000 hours. The included lower 1/3 co-witness mount is machined from 6061 T6 aluminum and finished for corrosion resistance to provide a secure platform and align the optic with iron sights.
Applications: daily concealed carry (EDC) and range training/target work for shooters who want a compact reflex sight with low-profile co-witness mounting.
Product Specifications
The manufacturer is listed as Holosun.
The product names included are Holosun HE507K-GR X2 Reflex Sight and Holosun Lower 1/3 Co-Witness Picatinny Mount.
The optic type is an open reflex sight intended for pistol applications.
The HE507K-GR X2 includes a Lock Mode to prevent inadvertent changes to settings.
The HE507K-GR X2 uses Holosun’s Super Green LED rated up to 50,000 hours of battery life.
The sight features Holosun’s Multi-Reticle System and Shake Awake functionality.
The mount is constructed from 6061 T6 aluminum.
The mount finish is described as a hard-anodized, corrosion-resistant coating.
The mount includes a spacer to provide a lower 1/3 co-witness height with iron sights.
The mount is stated to be compatible with Picatinny rail systems.
The listing weight is given as 0.16 (unit not specified).
The UPC is 760921087497.
The listing description notes intended compatibility and installation features for pistol carry setups and Picatinny-equipped platforms.
This combination pairs a compact Holosun reflex sight with a low-profile, durable mount that preserves a lower 1/3 iron-sight co-witness. The sight’s Lock Mode and long-life Super Green LED make it a practical choice for everyday carry and regular range use where a small, reliable optic and a stable mounting solution are desired.
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