Langdon Tactical Striker Control Device (Gadget) for Glock
Drop-in slide cover plate that lets you ride the striker with your thumb during holstering. Variant-specific models cover OEM Gen1-5 Glocks and slim G43/G43X/G48 pistols, but not the G42, Gen6, clones, or incompatible trigger systems.
- Price
- $84
- Weight
- 0.4 oz
- Brand
- Langdon Tactical
- Category
- Pistol Frames
Featured in
Features
- •Drop-in slide cover plate
- •Hinged thumb tab blocks rearward striker movement
- •Variant-specific Gen1-5, slim-frame, and Hellcat options
- •Excludes Glock Performance Trigger and Timney triggers
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Overview
The Langdon Tactical Striker Control Device, the SCD or "Gadget", is a hinged slide cover plate that gives a Glock shooter the same holstering safety check a hammer-fired pistol provides for free. Press your thumb against the tab during holstering and the SCD blocks rearward striker movement. If a drawstring, garment, or holster mouth pushes the trigger to the rear, the tab pushes back against your thumb and tells you to stop before the striker releases.
Originally developed by Tau Development Group and championed by trainers including Tom Givens and the Pistol-Forum community, the design transferred to Langdon Tactical Technology in 2023. LTT now produces separate Gen1-4, Gen5, and slim-frame G43/G43X/G48 variants. The full-size and slim-frame versions do not fit the G42, and LTT does not list a Gen6 version. Install is a 60-second slide cover plate swap with no fitting and no factory part replacement, the original cover plate goes back in any time.
The SCD is a carry-safety upgrade, not a performance part. It does not change pull weight, reset, or accuracy. It pays for itself the first time you index your thumb on the slide during a re-holster and feel resistance you would otherwise have ignored. AIWB carriers, especially appendix carriers running soft IWB holsters or kydex with worn-out shells, are the highest-payoff users.
Key Features
- Replaces factory slide cover plate, no other part swaps required
- Hinged thumb tab blocks rearward striker travel under pressure
- Tactile feedback if anything pushes the trigger during holstering
- Variant-specific options for Gen1-4, Gen5 full-size, Glock slim-frame, and Hellcat applications
- Reversible install with the original cover plate
- 60-second drop-in installation
Pros
- +Adds a tactile holstering safety check unique to striker-fired pistols
- +Drop-in install with no permanent modification
- +Endorsed by mainstream defensive pistol trainers
- +Variant-specific support across Gen1-5 Glock, slim-frame Glock, and Hellcat applications
- +Reversible at any time
Cons
- −Does nothing during firing or off-body carry
- −Requires consistent thumb placement during holstering to provide value
- −Not compatible with Glock Performance Trigger, Timney triggers, Glock clones, or aftermarket Glock platforms
- −Small price-per-feature ratio for shooters who never reholster live
Detailed Specifications
- Material
- Polymer thumb tab on aluminum baseplate
- fits
- Variant-specific Gen1-4 Glock, Gen5 full-size Glock, Glock slim-frame, and Hellcat options
- installation
- Drop-in slide cover plate swap, ~60 seconds
- weight
- ~0.4 oz
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Add the Langdon Tactical Striker Control Device (Gadget) for Glock to your build and see how it enhances your platform.