Description
The LaserMax LMSG422G is built right into your Glock's guide rod assembly, replacing the factory part completely. Unlike external laser mounts that force you into new holsters or gear, this internal design keeps everything standard. You get all the benefits of a laser aiming system without changing how your gun handles or sits in your existing setup.
Internal Design That Works With Your Gear
Because this laser lives inside the guide rod, there's nothing sticking out to catch on clothing or holsters. Your grip angle stays the same, your holster options remain wide open, and the gun looks completely stock. The green laser wavelength at 532nm is easier to track in bright conditions than traditional red lasers, giving you faster target acquisition whether you're indoors or outside from dusk to dark.
Field-Tested Durability You Can Count On
This laser has been put through serious testing including drop tests, extreme temperature swings, salt water exposure, and over 20,000 live-fire rounds. It's rated to Mil-Spec and Homeland Security standards, which tells you something about how tough these are built. The aircraft-grade aluminum body and genuine Wolff springs mean it'll handle whatever you throw at it.
Installation and Operation
If you can field strip your Glock, you can install this. The whole process takes about 20 minutes the first time, then under a minute for battery changes later. The ambidextrous on/off switch sits on the takedown lever in a spot that feels natural for either hand. The laser comes factory-aligned at 20 yards and doesn't need readjusting after you swap batteries. Just activate the switch and you're ready to work with a rock-solid point of aim.
Key Specifications
- Manufacturer: LaserMax
- Manufacturer Part Number: LMSG422G
- UPC/EAN: 798816542653
- Compatible Models: Glock 22 Gen4, Glock 31 Gen4, Glock 35 Gen4
- Mount Type: Guide Rod Assembly
- Laser Color: Green
- Wavelength: 532 nm
- Power Output: 5mW
- Dot Size: 0.63 inches at 20 yards
- Battery Type: 393 Silver Oxide
- Battery Life: Up to 1 hour
- Beam Mode: Pulsing or steady (user programmable)
- Power Switch: Ambidextrous on/off switch on takedown lever
- Construction Materials: Aircraft-grade aluminum and genuine Wolff springs
- Finish: Black
- Shipping Weight: 0.2313 lbs (0.76 oz)
What’s Included
- LaserMax LMSG422G Guide Rod Laser assembly
- Pre-installed 393 battery
- Installation tool
- Instruction manual
Frequently Asked Questions
How long does installation take?
First-time installation takes about 20 minutes if you can field strip your Glock. No special tools or gunsmithing knowledge required. Subsequent battery replacements take less than a minute once you're familiar with the process.
Will this laser work with my current holster?
Yes. Since the LMSG422G is completely internal and doesn't add any external hardware, it fits perfectly with your existing holsters. You don't have to change gear or adapt your carry setup.
Can I switch between pulsing and steady beam modes?
The laser is user programmable, allowing you to choose between pulsing and steady beam depending on your lighting conditions and preference. Pulsing mode offers superior visibility in some situations while steady mode works better in others.
Does the laser need to be re-zeroed after battery replacement?
No. The guide rod laser comes pre-aligned at the factory and maintains that alignment. You'll never need to re-zero after changing batteries, which is a major advantage over many external laser sights.





Reviews
There are no reviews yet.