Will this fit on a Glock 19?

Get a Holosun 507c instead. The 510c is meant for rifles. I personally have a 507c v2 on my glock 17. Fits Trijicon RMR footprint too.

What is the country of origin?

China, honestly nowadays it doesnt matter, china is starting to make affordable well made products. Americans workers are getting lazy and entitled, most is the same or worst quality then china

So if the battery needs to charge for this you just leave optic in the sun for a recharge?

Way it was explained to me is, the solar panel charges a capacitor on the inside. It won't be as bright, but it is a failsafe and can confirm it does work. It's truly an end of the world optic and that statement is coming from a guy who wanted to hate it.

How many reticles does this have on it to choose from?

It has 3... 65 moa outer with 2 moa inner, 2 moa inner only or 65 moa outer only

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HOLOSUN HE510C-GR / HS510C Multi-Reticle 2 MOA Dot & 65 MOA Circle Open Reflex Sight for Long Guns - Solar FailSafe Shake-Awake Waterproof Sight with 12 Brightness Settings - Red/Green Dot Options

HOLOSUN HE510C-GR / HS510C Multi-Reticle 2 MOA Dot & 65 MOA Circle Open Reflex Sight for Long Guns - Solar FailSafe Shake-Awake Waterproof Sight with 12 Brightness Settings - Red/Green Dot Options

Product ID: 42828731

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Details

Brand
HOLOSUN
Color
Red 2 MOA Dot
Style
Red 2 MOA Dot
Product Dimensions
3.3"L x 1.8"W
Sport
One Size All
Item Weight
0.52 Pounds

🎯Multi-Reticle System (2 MOA dot + 65 MOA circle)

🔋50,000 hrs battery life

☀️Solar Failsafe power backup

Description

🎯 Lock on with confidence—where precision meets unstoppable power.

BUILT TO ENDURE - Aircraft-grade aluminum housing with a titanium hood delivers shock resistance and durability for the most demanding environments.
UNMATCHED ENDURANCE - Up to 50,000 hours of battery life means your sight stays ready for the long haul—no mid-mission surprises.
ALWAYS ON ALWAYS READY - Shake Awake technology instantly activates the sight with the slightest movement, extending battery life without sacrificing readiness.
SOLAR POWERED RELIABILITY - Solar Failsafe technology ensures your reticle stays lit even if the battery dies, adapting brightness automatically to ambient light.
PRECISION MEETS VERSATILITY - Multi-Reticle System offers a fast 65 MOA circle for quick target acquisition and a precise 2 MOA dot for pinpoint accuracy.

The HOLOSUN HE510C-GR / HS510C is a rugged, solar-assisted open reflex sight designed for long guns, featuring a multi-reticle system with a 2 MOA dot and 65 MOA circle, 12 brightness settings, and advanced Shake Awake technology. Its durable aluminum and titanium construction ensures shock resistance, while a 50,000-hour battery life and solar failsafe guarantee reliable performance in any lighting condition.

Specifications

Brand	HOLOSUN
Color	Red 2 MOA Dot & 65 MOA Circle (HS510C)
Style	Red 2 MOA Dot & 65 MOA Circle (HS510C)
Product Dimensions	3.3"L x 1.8"W x 2.3"H
Sport	One Size All
Item Weight	0.52 Pounds
Material	Aluminum
Magnification Maximum	1 x
Objective Lens Diameter	30 Millimeters
Magnification Minimum	1 x
Compatible Devices	Firearms with 1913 Picatinny Rail
Mounting Type	Rail Mount
Night vision	No
Field Of View	25
Weight	0.5 Pounds
Hand Orientation	Ambidextrous
Model Name	510C
Manufacturer	Holosun
Reticle Type	65 MOA circle with 2 MOA dot
UPC	350102577789 605930624571
Global Trade Identification Number	00605930624571
Item Display Dimensions	8 x 2 inches
Item Package Dimensions L x W x H	6.5 x 5.08 x 3.86 inches
Package Weight	0.39 Kilograms
Item Dimensions LxWxH	4.75 x 3.62 x 3.12 inches
Brand Name	HOLOSUN
Warranty Description	Limited Lifetime
Suggested Users	unisex-adult
Number of Items	1
Part Number	HSHS510C
Model Year	2016
Included Components	CR2032 Battery
Size	One Size

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