45% OFF CODE:8E7HBPUV 【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.