---
product_id: 45097120
title: "LG-637 Lasergrips with Heavy Duty Construction and Instinctive Activation for GLOCK Full-Size Pistols, Defensive Shooting and Competition"
brand: "crimson trace"
price: "S$363"
currency: SGD
in_stock: true
category: "Crimson Trace"
url: https://www.desertcart.sg/products/45097120-lg-637-lasergrips-with-heavy-duty-construction-and-instinctive-activation
store_origin: SG
region: Singapore
---

# 4 hours runtime on 2 included 2032 batteries 5mW Class 3R Red Laser - max legal brightness User-installable, no gunsmithing needed LG-637 Lasergrips with Heavy Duty Construction and Instinctive Activation for GLOCK Full-Size Pistols, Defensive Shooting and Competition

**Brand:** crimson trace
**Price:** S$363
**Availability:** ✅ In Stock

## Summary

> 🔫 Own the moment with Crimson Trace — laser precision that’s always on your side.

## Quick Answers

- **What is this?** LG-637 Lasergrips with Heavy Duty Construction and Instinctive Activation for GLOCK Full-Size Pistols, Defensive Shooting and Competition by crimson trace
- **How much does it cost?** S$363 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/45097120-lg-637-lasergrips-with-heavy-duty-construction-and-instinctive-activation)

## Best For

- crimson trace enthusiasts

## Why This Product

- Trusted crimson trace brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Master On/Off Switch:** Complete power control lets you conserve battery life and maintain stealth when needed.
- • **Heavy Duty Construction:** Built tough to withstand rigorous defensive and competition use without fail.
- • **Precision Adjustability:** Factory sighted at 50 feet with easy windage and elevation tuning for pinpoint accuracy.
- • **Instinctive Activation™:** Laser engages instantly with your natural firing grip for seamless readiness.
- • **Universal Glock Compatibility:** Fits Gen3, Gen4, and Gen5 full-size GLOCK pistols for versatile deployment.

## Overview

The Crimson Trace LG-637 Lasergrips deliver a legally maxed 5mW red laser sight with 4 hours of battery life, designed for full-size GLOCK pistols across multiple generations. Featuring instinctive rear activation and a master on/off switch, this heavy-duty grip installs easily without gunsmithing and offers user-adjustable windage and elevation for superior accuracy. Backed by a limited lifetime warranty, it’s the trusted choice for defensive shooting and competition.

## Description

LG-637 Lasergrips® are a rear-activated laser sight for GLOCK Full-Size pistols (Third Generation 17, 17L, 22, 24, 31, 34, 35, 37, Gen4 17, 22, 31, 34, 35, 37 and Gen5 17, 19X, 45). Featuring Crimson Trace's famed Instinctive Activation™, which allows the laser to be activated with a normal firing grip, the LG-637 includes a Master On/Off Switch for completely powering down the unit. User-installed in moments by attaching securely to the gun frame, this laser sight is fully adjustable for windage and elevation. Provides 4 hours of run time with (2) included 2032 Lithium Batteries.

## Features

- BRIGHTNESS: Features a 5mW peak, 620-670nm, Class 3R visible red laser that is in conformance with and complies with 21 CFR 1040.10 with a max power output of 5mW for a Class 3R Red Laser - the brightest beam allowed by law
- RUNTIME: 4 hours of battery life that runs on (2) 2032 batteries (included)
- EASE OF USE: Rear activation button engages the laser immediately when the firearm is held in a normal firing grip - this model features a master ON/OFF switch for completely powering down the unit - user installed - no gunsmithing required
- RELIABLE: Factory sighted at 50 feet, but is fully user adjustable for Windage and Elevation with provided tool
- FITS: Glock GEN3 17, 17L, 22, 24, 31, 34, 35, 37. GEN4 17, 22, 31, 34, 35, 37. GEN5 17
- GUARANTEED: This product is covered by the Crimson Trace Protect Limited Lifetime Warranty. For questions or concerns regarding warranty, please visit the Crimson Trace website.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00HN95650 |
| Best Sellers Rank | #462,811 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1,488 in Hunting & Shooting Gun Grips |
| Brand | Crimson Trace |
| Brand Name | Crimson Trace |
| Color | Red Laser Sight |
| Customer Reviews | 4.6 out of 5 stars 108 Reviews |
| Grip Type | Heavy Duty |
| Included Components | Grip, batteries |
| Item Type Name | Crimson Trace, Glock, Gen 3(17,17L,22,31,34,35, 37) Laser Grip, Rear Activation |
| Item Weight | 0.12 kg |
| Manufacturer | Crimson Trace Corporation |
| Manufacturer Part Number | LG-637 |
| Material | Other |
| Material Type | Other |
| Model Number | LG-637 |
| Number of Items | 2 |
| UPC | 283090000000 610242005307 |
| Unit Count | 1 Count |
| Warranty Description | 3-YEAR LIMITED WARRANTY, https://www.crimsontrace.com/support/warranty |

## Product Details

- **Brand:** Crimson Trace
- **Color:** Red Laser Sight
- **Material:** Other
- **Number of Items:** 2
- **UPC:** 283090000000 610242005307

## Images

![LG-637 Lasergrips with Heavy Duty Construction and Instinctive Activation for GLOCK Full-Size Pistols, Defensive Shooting and Competition - Image 1](https://m.media-amazon.com/images/I/41RkJKzcBiL.jpg)

## Questions & Answers

**Q: What do you consider a full size gun.? I have a Glock 19 Gen 3.  Does this meet your full size gun definition?**
A: No, the Glock 19 is considered a compact. The equivalent laser for your gun is the Crimson Trace LG-639G.

**Q: is the grip thicker because of the 4 batteries?  also, does anyone know how it fits the G31 gen4 .357 sig?**
A: No. It actually fits my hands better...just reall hard to get one side of the grip pin to align. Grn is BRIGHT!

**Q: Does this fit glock 45?**
A: No - .45 ACP
Yes - .45 GAP (model G37 only)

**Q: Does it fit a Glock 17 Gen4?**
A: Yes it will fit the gen 4 glock 17. Hope this helps. Thank you for your interest!!

## Frequently Bought Together

- Crimson Trace LG-637 Lasergrips with Heavy Duty Construction and Instinctive Activation for GLOCK Full-Size Pistols, Defensive Shooting and Competition
- TOFEIC Grip Frame Insert Plug for Gen 1-5 Glock 17 18 19 20 21 22 23 24 25 31 32 34 35 43X 48

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-09-23*