The HS510C-FDE is a versatile open reflex optic designed for long gun applications. HS510C-FDE is at home on carbines, PCCs, and shotguns due its durable design. HS510C-FDE features and aluminum housing with titanium hood for added shock resilience and includes a QD absolute co-witness mount (1.41 dot height).HS510C is packed with Holosun innovation including Solar Failsafe, Shake Awake, MRS (Multi-Reticle System), Red Super LED with up to 50k hour battery life, with 10 daylight and 2 night vision compatible intensity settings. A lower 1/3 co-witness spacer is available separately from Holosun dealers that increases the dot height to 1.63.
Specifications:

Magnification	1x
Objective	0.91" x 1.26"
Field of View
Eye Relief	Unlimited
Dot Size	2 MOA Dot/ 65 MOA Circle
Tube Diameter
Length	3.30"
Weight	4.94 oz
Finish
Battery	CR2032
Reticle	2 MOA Red Dot/65 MOA Red Circle Multi Reticle
Adjustment Size	0.50 MOA
Proofs	IP67 Waterproof
Optic Coating	Multi-Coated
Windage Elevation	Adjustable