Choosing a bore sight helps shooters quickly align their optics and zero in with minimal live-fire testing. The following five bore sight kits are among the most relevant for .177 and similar small-caliber firearms, including air rifles and pistol/rifle combos. Each option offers a range of adapters, durable construction, and laser accuracy to assist hunters, target shooters, or law enforcement professionals. The list emphasizes reliability, compatibility, and ease of use to support fast, repeatable zeroing across multiple calibers.
| Product | Brand | Caliber Range | Laser Type | Notes |
|---|---|---|---|---|
| StrongTools Red BoreSighter 177 to 12GA | StrongTools | From .17 to 12GA | Red | Broad adapter set; press switch; fits many calibers; includes safety cautions |
| Tipfun .177 Cal/.17 | Tipfun | .17 HMR / .177 | Red | Compact with batteries and O-rings; straightforward fit |
| EZshoot Bore Sight Kit | EZshoot | .17 to 12GA | Red | 16 adapters; stable arbor; compact packaging |
| CVLIFE Professional Laser Bore Sight Kit | CVLIFE | 0.17 to 12GA | Green | 32 adapters; improved stability; long battery life |
| CVLIFE Bore Sight Laser Kit | CVLIFE | 0.17 to 12GA | Red | Versatile adapters; stable arbors; documented accuracy |
StrongTools Red BoreSighter: Broad Caliber Coverage
The StrongTools bore sight kit spans calibers from .17 up to 12GA, making it suitable for a variety of rifles and shotguns that shoot .177 pellets or similar small rounds. A press-switch design enables quick activation, and the kit includes multiple adapters to reduce the risk of a stuck piece inside the barrel. This option emphasizes speed and repeatability, which can save time during range work and critical zeroing tasks for professionals and enthusiasts alike.
Tipfun .177 Cal Bore Sighter
The Tipfun bore sighter targets .177 and .17 cal applications, including .17 HMR and air-gun variants. It ships with four sets of batteries and spare O-rings, an advantage for field setups or training sessions without frequent battery changes. Its laser class is IIIa with a low maximum output, designed to provide a stable, bright beam for quick alignment up to about 100 yards. Direct insertion into the barrel allows precise alignment without disturbing the muzzle device in many setups.
Befbox .177 Cal Bore Sighter
The Befbox laser bore sighter is tailored for .177 and .17HMR calibers with direct-barrel insertion and a bright IIIa red laser at under 5mW. The design focuses on accuracy and ease of use, delivering a simple way to establish a reference line for zeroing. Brass construction is highlighted for durability and barrel safety. This option aims to reduce the number of live-fire attempts required to reach a precise zero, especially suitable for compact rifles and pistols used in hunting and sport shooting.
CVLIFE Professional Laser Bore Sight Kit
The CVLIFE 32-adapter bore sight enables precise alignment across calibers ranging from 0.17 to 12GA. A key feature is the arbor, designed to improve stability when mounted, particularly for larger bore sizes. The device uses a green laser for longer-range zeroing and includes clearly labeled adapters to help users quickly select the correct model. This kit emphasizes high accuracy, durability, and practical battery life for extended field use.
CVLIFE Bore Sight Kit: Red Laser Redesign
This CVLIFE model provides a versatile red laser bore sight solution with a broad adapter set and robust build. It is designed to be compatible with multiple firearms in the field, emphasizing reliability and practical accuracy for both hunting and target shooting. The included adapters and the clear labeling system aid rapid identification when switching calibers, reducing downtime between zeroing attempts.
Buying Guide: Key Purchase Considerations
- Compatibility: Confirm the bore sight supports your specific calibers and whether you need both rifle and handgun adapters. Some sets offer up to 12GA, while others emphasize small calibers like .177 and .17 HMR.
- Laser Type and Brightness: Green lasers often provide better visibility at longer distances, but red lasers are common and can be sufficient for shorter zeroing sessions. Check the maximum output and laser class to balance safety with performance.
- Adapter System: A large, clearly labeled adapter set reduces setup time and misfits. Look for numbered adapters and arbors that improve stability during alignment.
- Battery Life and Accessories: Extended battery life is valuable for fieldwork. Some kits include multiple battery sets and O-rings, which helps in rugged environments or prolonged training.
- Build Quality and Safety: Brass or metal components can improve durability and protect the bore from damage. Always observe cautions to prevent direct eye exposure to laser beams.
- Ease of Use: A simple on/off button, quick insertion into the muzzle, and straightforward alignment steps translate to faster, more repeatable zeroing results for both professionals and hobbyists.
- Field Considerations: For ranges where suppressors are present, some devices require removal of the suppressor before use. Plan for transportation and field setup accordingly.
- Cost vs. Value: Higher-adapter kits with stable arbors and long battery life typically offer better long-term value for shooters who work across multiple calibers.
In practice, selecting a bore sight kit involves balancing the breadth of calibers covered, the stability of the alignment mechanism, and the ease of use in field conditions. The five options highlighted above provide a range of configurations—from broad caliber compatibility to sturdy stability features—that can help American shooters achieve faster, safer, and more accurate zeroing across a variety of small-caliber firearms.