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Crimson Trace LG-639 Lasergrips — Black, Red Laser — Fits Glock Compact Gen 3/4/5 (0169101) — Informational Overview
The Crimson Trace LG-639 Lasergrips are a grip-integrated laser aiming accessory designed for Glock compact pistols across Gen 3, Gen 4, and Gen 5 configurations (as listed). This model is identified by part number 0169101 and UPC 610242005321, and is specified as a red laser unit in a black housing. Lasergrip-style accessories are intended to add a visible aiming reference without requiring a separate rail-mounted device, integrating into the grip area to maintain a compact external profile (fit depends on exact Glock model and frame configuration).
Key Identifiers
What “Lasergrips” Typically Means
“Lasergrips” generally refers to a design where the laser module is integrated into a grip assembly rather than being mounted on an accessory rail. In practical terms, this approach commonly aims to:
Keep the accessory close to the frame for a low-profile fit
Preserve holster compatibility in some setups (varies by holster and exact model)
Maintain a familiar accessory location without adding a large external unit
Because handgun frames and holsters can vary, users typically confirm fitment with both the pistol model and the intended holster.
Red Laser Aiming Reference: Visibility Context
This model is specified with a red laser. Red lasers are typically most visible in:
Visibility can be reduced in bright sunlight or on highly reflective/low-contrast surfaces. Laser sight usefulness depends on training, environment, and safe handling practices.
Glock Compact Gen 3/4/5 Fitment: What to Verify
The listing specifies Glock Compact across Gen 3, Gen 4, and Gen 5, but “compact” can still include multiple models with different frame shapes. Practical fit checks usually include:
Exact Glock model designation (e.g., model number and caliber family)
Frame size and dust cover geometry
Any aftermarket frame modifications that might change grip dimensions
Backstrap system configuration (for Gen 4/Gen 5, where applicable), if it affects fit
Matching the LG-639 model to the manufacturer’s compatibility chart for your exact pistol is typically the safest way to confirm correct fit.
Installation and Function Checks (General)
Grip-integrated laser accessories are function-relevant components. Common best practices include:
Following Crimson Trace’s instructions for the specific model
Confirming the unit is securely installed and does not interfere with safe firearm operation
Verifying proper alignment and checking that controls function as intended
Confirming holster fit and ensuring nothing activates the laser unintentionally
Many owners also validate performance at the range after installation to confirm point-of-aim/point-of-impact relationship for their typical distances.
General Safety and Legal Notes
Laser devices can pose an eye hazard. Avoid directing a laser at eyes and follow the manufacturer’s safety guidance.
Firearm accessory legality and use policies can vary by jurisdiction, workplace rules, or range rules. Confirm applicable regulations.
Always follow safe firearm handling rules and store firearms securely.
Quick Reference Summary
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