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LaserLyte VRail Mount Laser Subcompact V3 FSL-3
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Most Helpful Positive Review LaserLyte FSL-3 Hits a Grand Slam
Bought this LaserLyte for my Beretta PX4 Compact. Set up instructions were complete and easy to understand. The Laser was very simple to mount and get an approximate sight in at home. At the range, final sight in was piece on cake. I have not noticed any problems with the sight since my initial ...
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Most Helpful Negative Review LaserLyte VRail Subcompact FSL-3
I recommend the device because I have two of them. One that I bought earlier works great. The one I bought from Optics Planet didn't work out of the box. I am waiting on an RMA from the manufacturer. The windage adjustment would not function. The elevation adjustment responded fine, but the win...
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Could not take the recoil

by Legacy Reviewer, Verified Owner Written on May 3, 2013
After shooting 20 rounds of 454 casulls, this laser light failed to function. I will not recommend this item for a high powered revolver...Sorry
Pros: Small
Cons: Easy break
Would recommend: No
3 of 5 found the following review helpful.
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Great laser sight!

by Legacy Reviewer, Verified Owner Written on December 22, 2012
NOTE to Unhappy - I have purchased several of these sights. Most of them are easy to adjust and work great right off the bat. However, two of the sights I bought were very difficult to zero in. The screws moved "out" very easily but would not move "in" unless I put a tremendous amount of torque on the little Allen wrench. Don't be afraid of breaking the wrench! Just apply steady, even pressure and it will turn (eventually). Once you get past the "rough spot", the sight is very easy to adjust and the problem disappears forever. BTW - the batteries probably did not "die" after 5 minutes, that was the auto shut off feature.. RTFM!
Pros: Battery saving feature (blinking light)
Cons: Sometimes "excessive force" is required to zero in
Would recommend: Yes
1 of 1 found the following review helpful.
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Mounted on a Long Gun (Shotgun)

by Lance, Verified Owner from WA, United States Written on August 27, 2012
This laser sight has satisfied all my requirements for old eyes, low light conditions, night time use, and simple & convenient operation. I found this to be a very good purchase.
I mounted this laser on my Amega Ranges shotgun rail. It sits on the front end of the rail, spaced 5 picatinny slots in front of the red dot sight giving me enough room so I can conveniently get to the On/Off button with my thumb. This puts the laser beam passing above the shotgun bead site and under the field of vision for the red dot sight. It has a very low profile and is hardly even noticeable. You may want to mount it somewhere else on your long gun. Its small enough that it will easily accommodate this by using different available mounting solutions.
Once turned on the laser will stay on until you turn it off or the timer eventually turns it off (a battery saving feature). I find this constant on switch to be a nice feature, particularly when your laser is mounted on a pump action shotgun, since once you turn it on you are free to use the pump action as necessary without having to worry about keeping your finger on a typical pressure switch that is found on most lasers or flashlights and thereby leaving you to better concentrate at the task at hand. And, of course, turning it off again is as convenient as turning it on.

Pros: Design, Size, Convenient On/Off
Cons: None so far
Would recommend: Yes
4 of 4 found the following review helpful.
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LaserLyte VRail Red Mount Laser, Black - Subcompact V3 - FSL-3

by Legacy Reviewer, from WA, United States Written on August 12, 2012
Works just like it should
Pros: Small, easy to mount, nice bright laser
Cons: none
Would recommend: Yes
1 of 1 found the following review helpful.
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subcompact V3-FSL-3

by Legacy Reviewer, Verified Owner Written on April 11, 2012
I like the sight so much I am going to buy one for a .22 rifle
Pros: Nice and lightweight and found it easy to sight in on my G-19
Cons: There are no holsters made with the sight on a Glock 19
Would recommend: Yes
1 of 1 found the following review helpful.
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disappointed

by Legacy Reviewer, from WA, United States Written on October 31, 2011
I recieved one for my birthday, was very excited. Got everything mounted up, went to zero it in...nothing. Windage and elevation screws will go from lock to completely falling out with no movement from the 'dot'. thinking I had a rare fluke from a reliable company, I took it back and got another. Same issues again, and with both units the batteries lasted less than 5 mins while I was trying to zero in. Terrible in my opinion. If anyone has had good luck with these, I wish you well....but I will not be trying another or recommending these to anyone I know.
Pros: well..it is a laser as advertised
Cons: adjustment, battery life
Would recommend: No
9 of 16 found the following review helpful.
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love this little laser!

by Legacy Reviewer, from WA, United States Written on September 1, 2011
this is my favorite laser by far. easy to mount and zero, which it will hold!
Pros: size, mount, control
Cons: tiny tools
Would recommend: Yes
2 of 4 found the following review helpful.
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Laser

by Steve, Verified Owner from LA, United States Written on July 22, 2011
This little laser is a powerhouse. It takes little space the picatinny rail on my rifle. It's tough and you can't even tell it's mounted because it's so light. LaserLyte is a top shelf company in my opinion and I'm a repeat customer. Thanks Optics Planet !
Pros: Size, weight, durability, functionality.
Cons: None
Would recommend: Yes
1 of 2 found the following review helpful.
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FSL-3 review

by Legacy Reviewer, from WA, United States Written on June 3, 2011
Neat little laser. Install was cake works like a charm! Love it.
Pros: Easy to install, discreet. Works as advertised
Cons: None
Would recommend: Yes
1 of 1 found the following review helpful.
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laserlyte v3 FSL-3

by Legacy Reviewer, Verified Owner Written on May 13, 2011
mounted it on my mossberg 500 and have shot atleast 100 rounds and it hasnt shifted or lost zero.this laser is small enough you can mount it anywhere without it beign in the way.very very solid.
Pros: small,tough and easy to set-up
Cons: adjustment holes are very small
Would recommend: Yes
5 of 5 found the following review helpful.
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Last updated 2025-11-12 UTC.