Specifically designed for the unique contours of Gen4 and Gen5 GLOCK Compact pistols, the rear activation LG-851 offers a repeatable sighting advantage for your pistol. These Lasergrips provide the versatility of instant activation from a rear switch - maintaining adaptability with Crimson Trace Lightguard models.

⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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LG-851 Lasergrips® for GLOCK Gen4 & Gen5 Compact

SKU# 01-2640

Availability: In stock (226)

Price:   $279.00



Availability: In stock (226)

Laser Sight for GLOCK Gen4 19, 23, 32 & Gen5 19  (Will NOT fit 19X)

Quick Overview

Laser Sight for GLOCK Gen4 19, 23, 32 & Gen5 19  (Will NOT fit 19X)

4.2857142857143  |  21 reviews
Crimson Trace LG-851 Lasergrips for Glock gen4 & Gen5 compactCrimson Trace LG-851 Lasergrips for Glock gen4 & Gen5 compact
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Crimson Trace LG-851 Lasergrips for Glock gen4 & Gen5 compact red laser sight for Glock Gen4 & Gen5 LG-851 Lasergrips® for GLOCK Gen4 & Gen5 Compact

Specifically designed for the unique contours of Gen4 and Gen5 GLOCK Compact pistols, the rear activation LG-851 offers a repeatable sighting advantage for your pistol. These Lasergrips provide the versatility of instant activation from a rear switch - maintaining adaptability with Crimson Trace Lightguard models.

⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Product Platform Lasergrips®
Material Polymer
Attachment Grip Attachment
Activation Location Rear Activation
Sighting Factory Sighted at 50'
Master On/Off Switch Yes
Battery Type Two #2025 Batteries
Laser Battery Life Over Four Hours
Wrench Size 0.05
User Adjustable Windage and Elevation
Finish Polymer Grip with Rubber Overmold Activation Pad
Installation User Installed
Warranty Three Year Full Warranty
Color Black
Dot Size Approx. 0.50" at 50'
  1. it does the job for what it was superposed to do Review by jerry

    the zeroing mechanism need to have audio clicks when zeroing instead of a alen ranch (Posted on 6/6/2020)

  2. Poor Quality Review by Jerryut

    I would NOT recommend to anyone unless you live in darkness and never grip your weapon. The rubber activation button is cheap and wears out quickly. With the button attached to the rubber and not built into the unit itself, once the rubber tears and falls off the sight is useless. JUNK.with only a three year warranty they don't back their product. They will give you batteries for the life of the product but not back their product for life. I will never buy another crimson trace product. Don't waste your money. (Posted on 5/4/2019)

  3. Better for the money Review by Jr

    The rubber in the back fell off. It does always activate so the batteries to fast. Mine seems to dim badly. Sometimes it's brighter than others, even after brand new battereis. My finger does block the laser often because I too keep my finger OFF the trigger, even when aiming, so it makes the last ER annoying. I will say the thing is dead accurate from 40 feet when in shady dark areas (Posted on 11/28/2016)

  4. Outstanding Review by steven

    Nice fit and finish, and it doesn't affect my grip. My G19 gen4 fit's perfectly into my Blackpoint Tactical Mini Wing holster just as well as it did before installation. (Posted on 5/18/2016)

  5. 5 stars but, Lasergrip trigger reach too long for smaller hands. Review by 23

    I have a gen4 23. It didnt occur to me that the added width to the grip would make reaching trigger in usual way difficult. I bought this so I would be able to use my galco shoulder rig and other holsters. I took it off so I I didnt have to have the back of the grip have to go a little on my thumb instead of the web . I have 2 other crimson , foa a beretta nano and ruger lcr.
    The lcr grip replaces the stock hogue grip, so you give up the cushioning as it is hard plastic but thats an fyi, I am ok with it.
    The lcr fits in front of the trigger guard and is great. I just have to find a holster for the lcr.

    Great products, work as advertised, just think about the substantial additional grip width on the gen4 23 model. Anyone want a virtually new gen 4 23 Lasergrip? :) I wish I could exchange it for one that didnt add width to the grip, and still fit the holsters. ( THATS FOR CRIMSON TRACE IF THEY MONITOR THIS) (Posted on 3/8/2016)

  6. Great Review by Zeddicus

    Works wonderful! Very accurate and easy to install! (Posted on 2/10/2015)

  7. Improved my Shooting Review by JohnnyYukon

    I was skeptical of any lasers on a pistol and still am not sure I will keep this equipped on a home defense weapon, but man, this thing has seriously improved my shooting at the range.

    It's so easy to see the effect a jerky or improper trigger pull has when you can see the dot on the target. If it's not smooth, then the dot is all over the place. But watching a bullet go straight through the red point with a smoothing trigger is very satisfying.

    Definitely recommend this product, and when sited in (which doesn't take long), dead accurate. (Posted on 3/8/2014)

  8. Doesn't fit the newer Gen4 Glocks that come with the beavertail grip adapters. Review by John L.

    The newer Gen4 frames have a small protrusion on the top of the grip frame right behind the back of the slide, that is intended to position the beavertail grip adapter. It interferes with the top of the laser grip, causing major problems with lining up the holes for the retaining pin. I'm going to have to either cut that protrusion off the frame or make a small recess into the top of the laser grip. I'll also have to call Crimson Trace to see if the are aware of this problem. Disappointing because I have several of their products and they have been outstanding. (Posted on 1/23/2014)

  9. Great product and great service Review by Sgt JBB

    Bought an LG-851 for my wife's Glock Gen4 Model 19. The first one had a little trouble with the activation button. I called Crimson Trace and they immediately sent a new one and it works perfectly. Easy to install and easy to sight in. I like the larger hex wrench for adjusting the laser beam. I love it and recommend it. (Posted on 9/21/2013)

  10. Very good product but... Review by ErnieColeman

    I'm little bit angry, because i bought it here, and today i found it cheaper here: http://tiny.cc/r2og2w
    Next time i will check other sites first (Posted on 9/3/2013)

  11. dot is not a dot Review by MI

    Laser dot is actually 4 smaller dots. I sent it back to CT for repair. They sent it back with the same problem saying it was within standard. I have laser grip also, at it has a perfect dot. (Posted on 8/5/2013)

  12. Nice, some minor issues Review by Bartimus

    Looks great, feels good in the hand. I had installed one of the custom backstraps that came with the Glock 23 Gen 4. You cannot use the backstrap if you want to use the LG. I removed it, but had a hell of a time getting the LG installed for some reason. I could not get one side of the LG lined up properly with the hole in the grip. After attempting to insert the pin and using a small mallet to help, I scored the side of the gun with the pin near the hole, which caused the pin to keep catching in the same spot over and over. After about 2 hours, I finally got the pin in. My only complaint is when you get your grip on the gun, you are going to activate the laser every time. I instinctively place my pointing finger off the trigger and along the rail until ready to shoot. Good thing about that, is I can block the beam if I need too until ready to fire. Bad thing, is sometimes I block the beam with my finger when I don't want to. (Posted on 5/28/2013)

  13. Awesome Laser Review by Randy

    I LOVE this laser grip. Installed in 5 minutes, sight adjusted in 5 minutes. I put 3 rounds in one hole! OK, that was exceptional, but I get TIGHT 3 round groups every time, without fail. I have no doubt this laser grip will perform when I cannot take the time to get in a stance and aim properly - a.k.a. in an emergency. Thanks for the free battery program also. (Posted on 2/9/2013)

  14. LG-851 Review by David

    This model has REAR activation. No real problem once you get used to it. What I really like is the new larger size and design of the adjustment tool. It is larger and easier to use.
    Wish the price was a little lower though :( (Posted on 1/10/2013)

  15. Money well spent Review by Michael

    Thank you Crimson Trace. Just received and installed. From start to final installation on my wife's Glock19 everything was very smooth. I will definitely be purchasing one for my Glock23. The fit and finish molds as if it were designed and installed by the Glock factory themselves. For accuracy and safety this is money well spent. After doing extensive research on lasers one should spend the extra money for their family's safety and purchase the Crimson Trace. Next up will be the Crimson Trace light guards for both my wife and I. Recommendations have already been made to family members to make this all important purchase. (Posted on 12/24/2012)

  16. Outstanding addition to my GEN 4 Model 19! Review by DFK

    Obvious high quality product, with almost seamless integeration on the pistol. Easy to install, instinctive to use, and easy to sight in perfectly.

    I had the large grip installed on my Model 19, and thought it was about perfect for my hand. I initially switched back to the standard size grip with the LaserGrip. I think I'll probably go to the midsize grip with the LaserGrip to get the perfect fit.

    Just need some more time at the range to decide.

    Highly reccomended! (Posted on 3/1/2012)

  17. Outstanding addition to my GEN 4 Model 19! Review by DFK

    Excellent product, easy to install, and easy to sight in perfectly. Obviously high quality. How have I done without this product for so long? (Posted on 3/1/2012)

  18. Perfection Review by Opie11

    I am extremely happy with my new lg-851. I love the new design with the integrated off switch. Great new product!!! (Posted on 2/28/2012)

  19. Excellent Product Review by Sgt_Smith

    I bought the LG-851 for my Gen 4 Glock 23, and I could not be happier. The shipping was quick and painless. The laser was incredibly easy to install, and fits snugly. I was also impressed with the minimal impact the grip has on my "feel" when holding the pistol. The device does not intrude on my holster (Serpa), and snaps into place just like it did before installation of the grip. Crimson Trace has a winner with this grip, for sure. (Posted on 2/9/2012)

  20. Works Great! Review by JR Glock

    Works well and very easy to install. Laser is very powerful. (Posted on 1/15/2012)

  21. YEAH!!! Review by GR8GLOCKS


    I've been patiently waiting for a Crimson Trace Lasergrip for my Gen4 G19. (Posted on 1/7/2012)

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Fits GLOCK Gen 4 19, 23, 32 and Gen5 19 (Will NOT fit 19X)
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