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Sightmark Laser Bore Sight 243, 308 Winchester, 260, 7mm-08 Remington
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$35.99
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SKU: SM39005-810119010049
Overview
Designed for quick rifle sight-in work, this chamber-loaded boresight helps you align your optic before heading to the range or field. It projects a red laser dot to indicate point of aim, making it useful for checking zero and reducing the need to use live cartridges during setup. The package includes three AG3 batteries and a carrying case for storage and transport. Built for .243, .308 Winchester, .260, and 7mm-08 Remington rifles, it offers a straightforward option for hunters who want a simple pre-shooting setup tool.
Why Hunters Choose the Sightmark
Chamber-loaded Design
Fits like a regular cartridge
Projects Red
Laser dot to show point
Helps Save
Live cartridges and shells during
Includes Three
AG3 batteries for immediate use
Comes Carrying
A carrying case for storage
Key Features
- Chamber-loaded boresight for quick rifle sighting
- Projects a red laser dot onto the target
- Designed for .243, .308 Winchester, .260, and 7mm-08 Remington
- Includes three AG3 batteries
- Comes with a carrying case
- Laser range listed at 300 feet
Best Used For
- Hunters sighting in a .308 Winchester rifle before a range session or season check
- Shooters confirming bore alignment on compatible chambered rifles without using live ammunition
- Owners of 243, 260, or 7mm-08 Remington rifles needing a quick zeroing reference
- Range users who want a compact boresight with included batteries and carrying case
Specifications
| Batteries Included | Yes |
|---|---|
| Battery | AG3 |
| Battery Type | AG3 |
| Blade Finish | Brass |
| Cartridge | 308 Winchester |
| Laser Color | Red |
| Laser Range | 300 Feet |
| Output | 5MW |
Pros
- Chamber-loaded design fits like a regular cartridge for quick setup
- Projects a red laser dot to show point of aim
- Helps save live cartridges and shells during sight-in
- Includes three AG3 batteries for immediate use
- Comes with a carrying case for storage and transport
- Listed laser range of 300 feet for target alignment
Considerations & Trade-offs
- Designed for chambering like a cartridge, so it is useful for sighting-in but not a substitute for live-fire confirmation at the range.
- The included cartridge fit is specific to .308 Winchester and the listed compatible chamberings, so it is not a universal bore sight for all rifles.
- Laser range is listed at 300 feet, which is sufficient for typical zeroing setups but does not indicate precision at longer distances.
- AG3 batteries are included, but they are a consumable item that will eventually need replacement.
Suggested Comparisons
- Rifle bore sights
- Bore sighting tools
- Rifle cleaning and maintenance accessories
- Zeroing and sight-in accessories
Suggested Accessories
- Replacement batteries
- Carrying case
- Target paper
- Bore cleaning kit
Frequently Asked Questions
Which cartridges is this Sightmark laser boresight listed for?
The product title lists .243, .308 Winchester, .260, and 7mm-08 Remington. The specifications also list Cartridge: 308 Winchester.
How does this boresight work?
It is loaded into the chamber like a regular cartridge and projects a red laser dot onto the target to show where you are aiming.
Are batteries included?
Yes. The listed specifications say Batteries Included: Yes, and the package includes 3 AG3 batteries.
What comes in the package?
The description says it includes the laser boresight, 3 AG3 batteries, and a carrying case.
What laser details are provided?
The listed specifications say the laser color is red, the laser range is 300 feet, and the output is 5MW.