Special Laser Bore Sight for .22LR/.223REM/6mm/.243/9mm/.375 Cal /.177 Cal/.17HMR Cal Red Dot Boresighter End Barrel Laser Bore Sighter Accurately

【Precisely Fit and Accurate】The laser bore sight is suitable .22LR/.223REM/6mm/.243 chamber, caliber specific. It is directly into the barrel (without silencer), so it is easy to use and very accurately.
【Brightness Enhancement】: Laser class: IIIa. Max. Output Power:＜5mW.It is clear and bright providing high visibility when looking through your scope or sights for up to 100 yards. Caution: Keep bore sight laser pointing away from eyes.
【Improve Accuracy】: The bore sight laser kit emitts a clear red laser beam, providing a precise reference for zeroing in on your target, reducing cartridges and shells wasted.
[Light weight and durable]: Adapts with superior materials, Sturdy brass construction,and assembled by professional craftsmen,Using high quality laser module with qualified electronic components, it provides with a long service life of trouble-free use. Compact design for convenient to storage.
【Spare parts】 4 sets (12 total) upgraded batteries and multiple spare O-rings. And come with the portable packing boxes that you can carry with you.It is a perfect gift to friends or elders.