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🎯 Zero in like a pro—no bullets wasted, just pure precision.
The COSMOING Scope Boresighter Kit offers a comprehensive, precision toolset for aligning scopes on handguns and rifles from .177 to .50 caliber. Featuring 16 adjustable arbors, a 30mm collimator with 20x20 grid, and a durable carrying case, it enables fast, bullet-free bore sighting indoors or outdoors, saving time and ammo while ensuring perfect scope zeroing.
| Brand | COSMOING |
| Product Dimensions | 11.5"L x 8.25"W x 2.5"H |
| Sport | Hunting |
| Material | Plastic |
| Magnification Minimum | 20 x |
| Compatible Devices | Handgun, Shotgun, Rifle |
| Mounting Type | Picatinny Mount |
| Night vision | No |
| Manufacturer | COSMOING |
| UPC | 048518774662 |
| Item Package Dimensions L x W x H | 11.69 x 9.13 x 2.72 inches |
| Package Weight | 1.31 Kilograms |
| Brand Name | COSMOING |
| Part Number | BS002-US |
| Size | Premium Boresighter Kit |
K**Y
Most non-AR rifles.
Works great for most rifles. Needs an adapter for AR styles, not sure if I can buy or have to create.
R**Y
no operators manual
i woukd prefer a manual that tells what calibers are in the area of the arbors, i have a 308/7.63 i had to play with the arbors to find out which one to use. same thing with a 5.56, haven't got to the 270 yet. when i found the correct arbor i marked it with tape for future use for my sons.
D**H
Great tool.
Very easey to use.Shipping was very fast.Am very pleased with my purchase.
K**N
Typical bore sight
This a pretty standard bore sight. I prefer them over the laser bore sights because the lasers are never bright enough. The only draw back to this one is there is no adapter or way to use it for raised sights such as on picatinny elevated rail.
T**A
Inacurate and cheap
inaccurate product, one of my Air Gun Rifle
T**R
Is not quite as universal as advertised
Decent value, construction is somewhat cheap, accuracy is withing ten inches at 100 meters.
Trustpilot
1 month ago
1 week ago