how long does the battery last? "A very long time" doesn't tell me if it will be on when needed in a self defense situation.

I read an estimated year with a premium battery on the instructions. Mine has been on with no dimming for about 8 months.

Does this have an auto on with movement and auto off when idle ?

The dot did go completely off in total darkness. I had it in my pocket holster (uncle Mikeys) and took it out in the dark and it was off until I put some light on. (My cell phone) I had the cover on the optic as well.

How many hours of battery life?

A single Duracell CR2032 battery should last around a year. Make sure to put the rubber protective cover on when not in use.

Will this fit glock 43x mos

It will if it has the appropriate mounting cut in the top. I have a Glock 43 with a Zaffiri slide that has an RMSc cut and this went on with very tight tolerances. If your Glock has the RMSc cut, this will work fine.

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RD3-018-SC Spike 4 MOA Red Dot, FDE/Tan or Black Body

Product ID: 263362896

Details

Brand
Ade Advanced
Color
Black Body
Compatible Devices
Handgun
Item Weight
18.14 g
Magnification Minimum
1 x
Material
Metal

🔋Ultra-low 700μA power draw

🪶Lightweight 17.6g compact design

⚙️RMSC footprint fits 15+ handgun models

€ 193.95

Duties & taxes included

In stock

Sold byAmazon NetherlandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎯 Lock on with precision, carry with confidence.

READY OUT OF THE BOX - Includes screws for select Optics Ready models—get mounted and sighted faster than ever.
FEATHERLIGHT COMPACT - At just 17.6 grams and 1.6 inches long, it’s the perfect discreet optic for daily carry.
NEXT GEN POWER EFFICIENCY - Runs on a single CR2032 battery with smart auto-brightness for extended, worry-free use.
PREMIUM AIRCRAFT ALUMINUM BUILD - Durable, hard-coated metal body with multi-coated glass lens—no cheap plastics here.
SEAMLESS MULTI PLATFORM COMPATIBILITY - Fits top-tier handguns like Canik, Sig, Glock MOS, Springfield Hellcat & more with RMSC screw pattern.

The ADE RD3-018-SC Spike Red Dot is a precision micro reflex sight engineered for elite handgun compatibility via the RMSC footprint. Crafted from hard-coated aircraft aluminum and multi-coated glass, it delivers durability without bulk at just 17.6 grams. Its ultra-low 700μA power consumption powered by a single CR2032 battery ensures long-lasting, auto-brightness-adjusted performance. Designed for professionals and enthusiasts seeking a compact, reliable optic that fits a wide range of popular pistols, it comes with screws for quick installation on select Optics Ready handguns.

Specifications

ASIN	B08JZJ7K1K
Best Sellers Rank	#107,187 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #278 in Gun Sights
Brand Name	Ade Advanced Optics
Color	Black Body
Compatible Devices	Handgun
Customer Reviews	4.0 4.0 out of 5 stars (383)
Included Components	Optic Sight, Hardwares.
Item Dimensions L x W x H	1.6"L x 0.92"W x 0.93"H
Item Display Weight	18.14 g
Item Weight	18.14 g
Magnification Minimum	1 x
Manufacturer	Ade Advanced Optics
Material Type	Metal
Model Name	Spike
Mounting Type	RMS Screw Mount
Number of Items	1
Product Style	Red Dot Sight
Reticle Type	Red Dot
Sport Type	Airsoft
Thread Type	Picatinny
Unit Count	1 Count
Warranty Description	one year

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