The MCREHOTZ Professional Green Bore Sight Laser Kit is designed to provide a visible aiming reference before live-fire sighting. Its adapter selection spans .17 HMR to 12 gauge, while the green beam is intended for distances up to 300 yards, depending on
Quick Verdict
MCREHOTZ offers a broadly compatible bore sighting package centered on convenience. Fifty numbered adapters and a size guide simplify selection across rifles, pistols, and shotguns, while the 520 nm green laser provides a clearly visible reference. It is a practical starting point
Hunters, target shooters, and firearm enthusiasts needing broad caliber coverage.
- 50 Numbered Adapters: One versatile laser bore sight kit covers bore sizes from .17 HMR to 12 gauge; each adapter is clearly numbered and paired with a size guide for quick selection across many rifles, pistols, and shotguns
- Faster and More Confident Sighting: Precision-machined components help center the laser in the barrel, giving you a dependable starting point while reducing ammunition use and range time before final live-fire zeroing
- Clear 520 nm Green Laser: The easy-to-see green beam supports sighting at distances up to 300 yards, depending on lighting and target conditions; Laser Class: Class IIIa Laser Product; Maximum Output Power: Less than 5 mW
- A Gift Shooters Will Use: Designed for hunters, target shooters, and firearm enthusiasts, this practical bore sighter makes a thoughtful gift for anyone looking to improve their sighting setup and shooting experience
- Seller-Backed 1-Year Defect Protection: Buy with added confidence; if your bore sight kit develops a quality-related defect within 1 year of purchase, receive seller-backed return or replacement support
Key Takeaways
- 50 numbered adapters cover .17 HMR to 12 gauge.
- The 520 nm green laser supports visibility up to 300 yards, conditions
- Seller-backed 1-year defect protection is included.
Broad Adapter Coverage
The kit’s main strength is its stated compatibility range. It includes 50 numbered adapters covering bore sizes from .17 HMR through 12 gauge, with a corresponding size guide. That breadth makes the package suitable for users working with multiple rifles, pistols, or shotguns, provided the correct adapter is selected for each firearm.
Green Laser Visibility
A 520 nm green laser supplies the aiming reference. The manufacturer states that the beam supports sighting at distances up to 300 yards, although lighting and target conditions affect practical visibility. The laser is identified as a Class IIIa laser product. Its purpose is to provide a dependable starting point while helping reduce ammunition use during initial sighting.
Practical Design and Support
Precision-machined components are intended to help center the laser in the barrel. Numbered adapters make the selection process more straightforward, and the product is positioned as a useful gift for hunters, target shooters, and firearm enthusiasts. Seller-backed 1-year defect protection adds a defined support period for qualifying defects.
Pros
- 50 numbered adapters
- .17 HMR to 12 gauge coverage
- Visible green laser
- 1-year defect protection
Cons
- Visibility depends on conditions
- Final zero still requires confirmation
Buying Advice
Choose this kit if you want one bore sighting package covering many firearm sizes and value a green beam with straightforward adapter identification. Check the included size guide carefully, and treat the laser as an initial alignment aid rather than final confirmation
Frequently Asked Questions
What calibers does this bore sight kit cover?+
The 50 numbered adapters are stated to cover bore sizes from .17 HMR through 12 gauge, including rifle and pistol applications.
How far can the green laser be seen?+
The 520 nm green beam supports sighting at distances up to 300 yards, depending on lighting and target conditions.






