Why can this not ship to California??

It simply has to do with the "materials used is known to cause cancer" warning label. This must be on the packaging somewhere, and also in the description of this item. A lot of optics are mistakingly "excluded" from shipping to CA because of this. And the listers are clueless as to how to "uncheck" the box that Amazon turns on automagically when listing these items.

Will this fit the Springfield xdm elite osp and what plate do I use?

Springfield uses the SMS footprint (Shield) standard. On my XDS, the SMSc or RMSc (Again Shield) fits best are those are the same width as the slide on that pistol. You will need an adapter for this (holosun) to fit. Holosun uses a MODIFIED SMS However. Which means that if you're willing to grind off the rear two mounting lugs, and lower the height of the front two (grind down) it'll fit on like a glove. WARNING: Check with someone who knows before you do any modification to your slide!!! This worked great for me, but I can not guarantee that you'll have the same results. If you're not experienced at working on pistol slides, I strongly advise you take it to someone who is. I take no responsibility for any of this advice.

Does this sight work with s&w m&p 2.0 ?

You don’t have to mill the slide. There are mounting plates that will use your rear sight dovetail. Look for EGW guns

Is this the correct model for the FNX -45 tactical?

My 507c X2 fits just fine on my FNX-45 tact…

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Holosun Dot Sight HS507C X2 HOLOSUN

Product ID: 725499899

Details

Brand
HOLOSUN
Color
Black
Item Weight
0.09 Pounds
Magnification Maximum
1 x
Magnification Minimum
1 x
Mounting Type
Picatinny

🔋50k hrs battery life

🔴2 MOA Dot & 32 MOA Circle reticle

☀️Dual power: solar + battery

Description

🎯 Elevate your aim with the Holosun HS507C X2 — precision meets power, always on target.

SHAKE AWAKE TECHNOLOGY - Automatically activates on movement, so you’re always ready without wasting power.
PRECISION RETICLE SYSTEM - Dual reticles with 2 MOA dot and 32 MOA circle for rapid target acquisition and pinpoint accuracy.
SOLAR POWERED RELIABILITY - Innovative dual power supply with solar backup ensures your sight never quits in the field.
UNMATCHED BATTERY ENDURANCE - Up to 50,000 hours of Super LED battery life keeps you locked and loaded longer than ever.
COMPACT LIGHTWEIGHT DESIGN - Sleek 1.78 x 1.15 x 1.15 inch frame weighing just 1.5 oz for effortless pistol integration.

The Holosun Dot Sight HS507C X2 is a cutting-edge reflex sight designed for pistols, featuring a 0.63x0.91 inch lens, 1x magnification, and a dual reticle system with 2 MOA dot and 32 MOA circle. It boasts an impressive 50,000-hour battery life powered by a Super LED, complemented by a solar panel for dual power supply and shake awake technology for instant readiness. Compact and lightweight at 1.5 oz, it includes a Picatinny mount and essential accessories, making it a reliable, high-performance optic for professionals and enthusiasts alike.

Specifications

ASIN	B08G6HPY8Y
Aiming Scope Sight Pin Size	0.63 Millimeters
Brand	HOLOSUN
Brand Name	HOLOSUN
Color	Black
Customer Reviews	4.7 out of 5 stars 2,645 Your Review
Item Display Weight	0.09 Pounds
Item Weight	0.09 Pounds
Magnification Maximum	1 x
Magnification Minimum	1 x
Manufacturer	HOLOSUN
Manufacturer Part Number	HS507C-X2
Model Number	HS507C
Mounting Type	Picatinny Mount
Night vision	No
Objective Lens Diameter	0.63 Millimeters
Product Style	Design
Reticle Type	ドット、サークル
Sport	ペイントボール・エアソフト
Sport Type	ペイントボール・エアソフト
Style	Design
Thread Type	MIL-STD-1913
UPC	810047071174

Reviews

H**D

The perfect fit

23.09.2025

D**4

Some of the best dollar to performance optics out there

26.02.2026

J**A

Perfect product

9.04.2026

K**R

Great RDS

19.08.2025

A**R

Staccato ca red dot

8.04.2026

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