The Holosun HS510C Open Reflex Circle Dot Sight has an open frame for a wide sight picture. Always on, the HS510C it is powered by solar cell under normal usage, and a back-up battery to supplement power requirements in low light conditions. The reticle of the Holosun HS510C can be switched between a 65 MOA circle with 2 MOA dot, or a 2 MOA dot only at the push of a button. Better yet, the same LED projects both reticles, so no re-zeroing is necessary.

Features
	
Parallax free optical design, with unlimited eye relief
	
Minimized obstruction of vision with push button controls and a streamlined housing design
	
Switchable circle/dot and red dot reticles
	
Always on unless manually turned off
	
Internal battery tray design
	
Large 32 mm x 24 mm lens
	
Solar cell and high capacity battery provide dual power supplies
	
Shock resistant titanium alloy protective hood
	
Quick release mount
	
Adaptable to Picatinny and Weaver rails
	
CNC machined 6061-T6 aluminum housing