Tipfun .22LR/.177 Cal/ 9mm /.375 Cal / .41 Cal / 40sw/10mm Red Laser Boresighter Bore Sight End Barrel Easy to Fit Revolvers Pistols Rifle and Air Guns with Batteries

I couldn't believe that this actually works and fit great in my .22lr barrel and got me within 2 inches at 50 yd zero! Great value for money!

Great little device for sighting in your weapon. If using .22LR I suggest sighting it to about 90 yards because that's about where most 22 rounds shoot flat on the way back down. So put this in your barrel, point it at something 90 yards away and adjust your scope or sights so that they are lined up perfect with the laser dot on the target downrange. Then your good to go. This unit can be used on .177 as well which is the normal size of a bb gun, this will fit a .25 as well if using the extra rubber grommets. It works so well I bought another in rifle calibers as well. 308/3030

Gets me close enough that I waste a lot less ammo at the range getting sighted in. It has already paid for itself multiple times.

They work well with the pellet gun we bought these for.

Super awesome way to sight your gun without wasting ammo. Fits perfectly perfect size. It aligned well my shots were all spot on for the most part.

got the 9mm and .22 versions. simple to use. problem is... when you place this laser device in the barrel (multiple pistols 9mm and .22 i own) and "spin it" with your fingers while in the barrel (theoretically the red dot should not move and stay "centered"), the dot does not stay centered no matter how canfully you turn the laser in the barrel. Picture the moon (laser) turning around the earth (green dot sight). you can literally turn circles AROUND the pistol green dot sight. Thought it was warped somehow and ordered replacements. the new ones were actually better but still didnt stay even close to centered/not moving. gave it three stars because of low cost. If you're OK with "close" than this should be just fine.

Worked perfectly, but my gamo . 22 cal magnum has a unremovable suppressor as it turns out a bic pen with the ink and end cap removed fits perfect both in the suppressor and the lazer bore sighting tool fots perfectly inside the bic pen tube. I used the hard clear plastic kind.

The device is designed to be inserted into the muzzle of the barrel in such a way that it provides a secure connection that is perpendicular to the axis of the bore. The design is both small and lightweight, adding to the ease of the product by making it simple to use and maneuver with a variety of different kinds of firearms. After being fitted, the bore sight will offer a reference point that is both extremely visible and accurate thanks to the red laser that it emits. This laser beam makes it possible for sights, scopes, or red dot optics to be aligned quickly and accurately, which substantially simplifies the process of zeroing in on a target. I am now able to obtain ideal alignment with ease and confidence, regardless of whether I am practicing on the range or in the privacy of my own garden. This bore sight genuinely impresses me with its wide range of application possibilities. It is suitable for use with a diverse selection of weapons, such as revolvers, pistols, rifles, and air guns, among others. Due to the device's adaptability, I am able to use it throughout the whole of my collection, which frees me from the need to maintain several bore sights. Because of its dependability and versatility, it has become an essential component of my collection of weapons.