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!

worked great, sighted in my gsg firefly, sighted in my new sixray laser sight perfectly

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.

I like this more than some of the other types I've used. I think a chamber fit laser pointer would be better, but this was cheap and helped me get the scope rough on target at about 25 yards.

Fit really snug in the barrel of my rugar 10/22, didn't notice any play and definitely helped align and zero out my lpvo. Battery life has been great and it comes with 9 (uses 3) so you should be good. It's about as bright as a basic laser pointer that you would get for like a cat but bright enough. Definitely decent quility for the price

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.

Absolutely garbage. They give you a set of o-rings that barely fit at all. And doesn't even fit in my 10mm Auto barrel properly either. Took my almost 15 min to put on one o ring and they have two sets like this! It's absurd and extremely difficult to do a very easy task in about 90% other situations.