【Accurate】This laser boresighter is installed from barrel end (without silencer). Using for .22LR/.223REM/5.56mm firearms. so easy to use and very accurate.
This is a special laser boresighter for the 9mm/.38SPL/.357MAG/.357SIG/.380ACP caliber pistol or rifle. It is inserted into the barrel directly, very easy to use. This tool helps your firearms to get on the target quickly.
Max. Output Power: less than 5mW; Wavelength: 630-680nm; Laser class: IIIa;
Packaging: 1 x Boresighter Spare O-rings 9 x LR41 batteries.
