The LG-451 Laserguard® is a 1911 pistol green laser sight that is designed to fit seamlessly on the trigger guard of most Full-Size and Compact Kimber and Smith & Wesson (E-Series) 1911 pistols.  The LG-451 takes the unmatched low-light defensive capabilities of red laser sights to a new level.  The human eye picks up the color green more than any other color and Crimson Trace provides the brightest green laser available, making the LG-451 a versatile laser sighting system for all lighting conditions.

With over two hours of run time on a single (1) CR2 lithium battery, never before has the green laser sight market seen such incredible battery life.  Additionally, the LG-451 Laserguard platform is the most lightweight and compact green laser sight available for 1911 pistols.  The Laserguard is easily user-installed in minutes without gunsmithing or alterations to the firearm. In addition to the bright green laser, excellent battery life, and compact design, the LG-451 features windage and elevation adjustments (completed with provided wrenches), and a Master On/Off switch that allows the operator to completely power down the laser sight.

As with all Crimson Trace Laserguard models, the LG-451 features Instinctive Activation™ - a patented Crimson Trace exclusive.  Instinctive Activation allows the user to activate the laser by simply holding the firearm with a normal shooting grip.  No other manufacturer can claim that.  No one else builds them close.

Will only fit Kimber and Smith & Wesson Full-Size and Compact frames without accessory rail.

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LG-451 Laserguard® Green Laser Sight for 1911 Full-Size & Compact [DISCONTINUED]

SKU# 01-3430

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Estimated available date: 2012-09-14

DISCONTINUED Green Laser Sight for Kimber and Smith & Wesson (E-Series) Full-Size and Compact 1911 Pistols



Quick Overview

DISCONTINUED Green Laser Sight for Kimber and Smith & Wesson (E-Series) Full-Size and Compact 1911 Pistols

3.8125  |  16 reviews
Crimson Trace LG-451 Laserguard for 1911 Full Size and CompactCrimson Trace LG-451 Laserguard for 1911 Full Size and Compact
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Crimson Trace LG-451 Laserguard for 1911 Full Size and Compact green laser sight for 1911 Full Size and compact LG-451 Laserguard® Green Laser Sight for 1911 Full-Size & Compact [DISCONTINUED]

The LG-451 Laserguard® is a 1911 pistol green laser sight that is designed to fit seamlessly on the trigger guard of most Full-Size and Compact Kimber and Smith & Wesson (E-Series) 1911 pistols.  The LG-451 takes the unmatched low-light defensive capabilities of red laser sights to a new level.  The human eye picks up the color green more than any other color and Crimson Trace provides the brightest green laser available, making the LG-451 a versatile laser sighting system for all lighting conditions.

With over two hours of run time on a single (1) CR2 lithium battery, never before has the green laser sight market seen such incredible battery life.  Additionally, the LG-451 Laserguard platform is the most lightweight and compact green laser sight available for 1911 pistols.  The Laserguard is easily user-installed in minutes without gunsmithing or alterations to the firearm. In addition to the bright green laser, excellent battery life, and compact design, the LG-451 features windage and elevation adjustments (completed with provided wrenches), and a Master On/Off switch that allows the operator to completely power down the laser sight.

As with all Crimson Trace Laserguard models, the LG-451 features Instinctive Activation™ - a patented Crimson Trace exclusive.  Instinctive Activation allows the user to activate the laser by simply holding the firearm with a normal shooting grip.  No other manufacturer can claim that.  No one else builds them close.

Will only fit Kimber and Smith & Wesson Full-Size and Compact frames without accessory rail.

Product Type Laserguard®
Material Polymer
Color Black
Activation Location Front Activation
Master On/Off Switch Yes
Attachment Trigger Guard
Battery Type One CR2 Lithium Battery
Finish Polymer Housing with Rubber Overmold Activation Pad
Installation User Installed
Laser Battery Life Over Two Hours
Activation Mode Pressure Activated
Sighting Factory Sighted at 50'
User Adjustable Windage and Elevation
Warranty Three Year Full Warranty
Dot Size Approx. 0.50" at 50'
  1. fits my Para old slimHawg Review by vestal
    Rating

    The grip on a para slim Hawg is a completely different one from a 1911 hole spacing is different. Took a chance and bought the LG451 for a S&W 1911 fits the slim Hawg perfectly and works perfectly. (Posted on 3/6/2017)


  2. WONDERFUL - that about sums it up... Review by jraines
    Rating

    Bought it for my 70 series Colt Govt model... my husband insisted on installing it for me... <sigh... I wanted to do it, but...> and it fit like a glove.

    It was sighted right on, and you can really see the green dot! It's amazing! (Posted on 8/4/2016)


  3. Great product Review by Rick
    Rating

    Fits my Kimber like a glove. Green is the only way to go. I'll buy another one if it fits my Para P13. But holster options are very limited. (Posted on 7/9/2016)


  4. Doesn't fit Rugers Review by Contrarian View
    Rating

    Tried to mount it on a new SR1911 CMD. No way would it fit. The trigger guard is much thicker on this pistol than on the Kimber or Colt. I was able to mount it on our Kimber.

    Like any Laserguard, it also limits your choice of holsters. (Posted on 3/28/2016)


  5. This Laser Guard Just Won't Fit. Review by Big John
    Rating

    I have tried to fit this Laser Guard to my Ruger 1911 model 6711

    Full size. It just don't fit.
    I worked on it for over one hour .No luck.
    I will have to return it to CR for something that will fit.
    The reason that I chose the Laser Guard is because I
    use a silencer and I didn't think that the Laser Grips
    would allow the light to pass around the silencer. (Posted on 2/21/2016)


  6. Fits like a glove Review by old_leather
    Rating

    Less than 5 min to install on my Smith & Wesson E series. Works perfect like all the lasers I have purchased from Crimson Trace. I set mine with a laser bore sight. Dead on! No wasted ammo sighting in. I especially like the laser being center of the bore axis for windage. The other advantage I like is being able to change grips. With a grip mounted laser you are stuck and cannot use any aftermarket grips. You can buy cheaper lasers but none of them have the fit and performance of a CT. (Posted on 11/21/2015)


  7. YEEHAW Review by Snoopy
    Rating

    Follow up on previous review. Had it for a couple of years now. I Love it! Yeah it's a little tight to get on but if I hold my tongue just right it pops in. (Okay... I use a tiny eyeglass screwdriver on the little tab but it works) Anyway.... I live out in the boonies and the rats, munks, squirrel's like to try and slip under the skirting around my place. Green laser on.... blam! My 22 conversion claims another! Coons in the dog food bowl.... BLAM! Wish I could sell hides for the same price I used to get. Coyotes... they friggin hate me! I've used red before... it's just not the same. I'm 66 years old and my eyes aren't what they used to be... but with the "green dot".... the critters have learned to stay the hell away. Wish the price was a little less and wish they had something like this to fit my ultra small Taurus 740 slim

    (Posted on 11/20/2015)


  8. Nice device, but won't fit to Norinco 1911 Review by IPSC
    Rating

    After slight reworks just the same. It will not fit to Norinco 1911 full size.
    You can't rework the postitions they have to rework, because the conductor tracks of the laser trigger lying there. No chance. Pity!! (Posted on 10/18/2015)


  9. Outstanding Review by Snoopy
    Rating

    Well... It fit my Colt 1911, my Caspian 1911 and It even fit my Chiappa 1911 22 although I did have to use a little grip tape to build out the front grip strap on that one. Blazingly fast onto target! Used a red laser bore sight to set up all the dots...shazam! Everything is spot on. Love it!
    (Posted on 9/13/2015)


  10. Fit & Finish on a Kimber Review by WJK
    Rating

    First - the functionality of the product is great. Period. A green laser is the only way to go for use on an indoor range, as it is much easier to see when acquisitioning targets then that of a red laser.

    Second - but mounting the LG-451 on the 1911 pistol is another matter... you better have time and patience to spare.... I dread replacing the battery. Sure, it may snap apart and back together easily when holding it in your hand; but, for me at least, it was not so when adjusting it to the frame of the gun. The ‘plumb’ of the laser, on its extension where the engagement button sites on the front strap checkering, is off center from the midline of the frame of my Custom Shop's rimfire. This may be part of the design, who knows. But, the activation button (which works flawlessly BTW when you grip the pistol) is slightly skewed to the right when fitted against the trigger guard, even after insertion of the mounting screws. It’s a small, almost un-noticeable flaw, but it’s there none the less.
    (Posted on 7/6/2015)


  11. SEE BELOW. Review by Bill
    Rating

    It works the first time out of the box and you could see it for a change at probably 50 yards. Not so with the the standard red. I'll be glad when you come out with one on the grips. (Posted on 5/5/2015)


  12. This product does not fit Ruger SR-1911 Review by DirtyHarry
    Rating

    Ordered 1st LG-451 attempted go mount same for half an hour.wire broke.Came from Optic Planet.They refered me to Crimson Trace who sent me a new one.No argument no hassle very timely.The second one did not fit.Took it to local gunstore and after 15 minutes gave up.Took it to second store in another town was worked on by a certified gunsmith there.After about twenty minutes using micrometers stated no matter what it would never work.Will be sending both back to where ship from.Wonderful item but tolerances off. (Posted on 12/18/2014)


  13. fit like a glove Review by sksmike
    Rating

    took about 15 min to install and adj live fire even better (Posted on 3/17/2014)


  14. Won't fit my Ruger SR1911 Full Size Review by Dissatisfied from Albany
    Rating

    I found the LG-451 on the CT webiste a few months ago (early 2013) and loved the concept. Green is superior and I liked how it would fit the triggerguard. At that time, the CT webiste was silent about it fitting a Ruger SR1911. I called CT and the only one I could talk to was a young girl who cold only recite what was on the webpage. I called Ruger and they said that if it is advertised as fitting a Kimber and S&W 1911 then it shold also fit the Ruger. My local gunshop hadn't seen this one yet. When I showed it to the owner and said I wanted one but was concerned abut proper fit, he agreed to order it and if it didn't fit he'd keep it for stock. When it came in, the gunshop couldn't get it to properly fit my Ruger SR1911 Full Size. Keepng their word, the gunshop held it for inventory and I wasn't out any money. Fast forward to July 20013, I see that the CT website now advertises that it will fit Ruger 1911 Full Size and Commander models. I called CT to ask if they made any changes. They say they test fitted it and it works. Feeling happy as a clam I'm off to my local gunshop to have them order me what I belive to be an updated version. I explain how CT now says it fits and not wanting them to get stuck with another pricey laser in inventory (the first one is still on their shelf), we decide they will call CT to make sure. I listen while dealer call CT. Same girl answers. Dealer explains situation. Girl says there have been no changes to the model but they are now advertising that it will fit a Ruger. Dealer and I decide not to order since CT says it will ship same thing they shipped before. Remember, it didn't fit then and we doubt it will fit now. We would love to hear if any customers actually got it to fit a Ruger SR1911 Full Size. (Posted on 7/16/2013)


  15. Fabulous Product! Review by Troy
    Rating

    I absolutely love this product! It is so much easier to see than the red laser. Since I work at a gun store I also use this green laser (mounted on my Kimber compact 1911) as a selling tool for my customers. They are always amazed at how much brighter the green laser appears when compared to the red lasers. CT has always done a fantastic job with their " Instinctive Activation" on the lasers, which is also a great selling tool. I can't count how many red and green lasers I have sold to my customers based on that one feature alone.
    Keep up the good work CT!!! (Posted on 2/14/2013)


  16. Bright & Easy Review by Rick from Beavercreek
    Rating

    Great visability in day light up to distances too great for handgun use. Very easy to install and zero. Great product. (Posted on 2/2/2013)



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