Will this work in a semi auto shotgun

It’s a bore sighter it will work with its caliber weather pump or semi. It’s like a single shot vs semi still same caliber regardless....

Iis there a 20 guage copy of this 12 guage red dot model.? help............. thnxx, g

Its a standard 12 gauge red dot laser bore sight.

The directions mention On and Off positions. Where is the switch?

This laser sight is a compact calibration device placed in the gun chamber. There is no special power switch. It starts to work after installing the battery and tightening the back cover. Please take out the battery when it is not in use. About this, our product manual has detailed instructions.

does it come with batteries

If I recall correctly, it does include batteries.

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12GA Red Dot Laser Bore Sight in-Chamber Cartridge Laser Bore Sighter with Two Sets Batteries

Product ID: 51719191

Details

Brand
MOSANDON
Color
Red Laser
Compatible Devices
Shotgun
Item Weight
1.12 ounces
Magnification Maximum
6 x
Magnification Minimum
1 x 6 x

⚡Class IIIA safe laser <5mW

🎯100 yd visible laser range

🔋2 sets batteries included

R488

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎯 Lock your shot before you pull the trigger—precision made effortless.

AMMO SAVING ZEROING - Adjust your scope without firing a single round, saving costly ammo and time.
DOUBLE BATTERY POWER - Comes with two complete sets of batteries for extended, uninterrupted sighting sessions.
EFFORTLESS IN CHAMBER SETUP - Simply place the bore sight in your chamber—no tools or complicated steps required.
COMPACT LIGHTWEIGHT DESIGN - At just 1.12 ounces and 2.4 inches long, it’s the perfect travel companion for serious hunters.
PINPOINT ACCURACY IN SECONDS - Instantly zero your shotgun scope with a precise red dot laser visible up to 100 yards.

The MOSANDON 12GA Red Dot Laser Bore Sight is a compact, copper-built in-chamber cartridge laser boresighter designed for shotguns. Featuring a safe Class IIIA red laser with a visible range up to 100 yards, it enables fast and accurate scope zeroing without firing ammo. Included are two full sets of batteries, doubling operational time, making it an essential tool for hunters and shooting enthusiasts seeking precision and efficiency.

Specifications

ASIN	B076J452WK
Aiming Scope Sight Pin Size	2 inches
Best Sellers Rank	#18,909 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #33 in Hunting Boresighters #1,795 in Hunting Equipment
Brand	MOSANDON
Brand Name	MOSANDON
Color	Red Laser
Compatible Devices	Shotgun
Customer Reviews	4.5 out of 5 stars 1,550 Reviews
Included Components	2 sets of batteries
Item Dimensions L x W x H	2.4"L x 0.87"W x 0.87"H
Item Type Name	Laser Boresighter
Item Weight	1.12 ounces
Magnification Maximum	6 x
Magnification Minimum	1 x, 6 x
Manufacturer	MOSANDON
Manufacturer Part Number	MSD-12GA
Material Type	Copper
Model Name	Boresighter 12GA
Model Number	MSD-12GA
Mounting Type	Dovetail Mount
Number of Items	1
Number of Packs	1
Product Dimensions	2.4"L x 0.87"W x 0.87"H
Product Style	12 Gauge Boresighter
Reticle Type	Red Dot
Sport	Hunting and Shooting
Sport Type	Hunting and Shooting
Style	12 Gauge Boresighter
UPC	190149159780

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