LTT Striker Control Device / SCD , full-size For GLOCK Gen 1-4


LTT Striker Control Device for Glock Handguns.  FULL SIZE GLOCK, gen 1-4.  See description below for additional info.    

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LTT Striker Control Device for Glock Handguns.  FULL SIZE GLOCK, gen 1-4

Formerly developed by Tau Development Group, Langdon Tactical Technology, Inc. is now manufacturing the Striker Control Device.

What is the Striker Control Device? 

The Striker Control Device (SCD) is a cover plate for your Glock pistol that blocks the rearward motion of the striker when thumb pressure is applied to the back of the slide – similar to a hammer on a DA/SA hammer fired pistol. It was originally developed by Tom Jones and Todd Louis Green from the inspiration of double action hammer fired pistols, where shooters are taught to keep their thumb on the hammer when holstering. Keeping your thumb on the back of the hammer gives you positive feedback should something be caught in the trigger guard to prevent the gun from firing.  The SCD does just that for the Glock striker fired pistols.

  • The SCD blocks movement of the trigger bar and prevents the trigger from moving.
  • The SCD does not lock or otherwise interfere with the normal operation of the pistol unless physical force is being purposely applied by the user. When using any normal firing grip (IE: hand is not on the back of the slide), the SCD is not engaged, acting as a traditional back plate.
  • Installation of the SCD requires you to remove the existing backplate and install the SCD.

This  LTT SCD works with  Gen 1-4  Glock pistols.  Not for GLOCK 42 or 43.  See our slimline SCD for GLOCK 43 fit.


The SCD does NOT replace safe gun handling. It creates an additional layer of safety and control by providing feedback to a shooter should something get inside the trigger guard that should not be. The SCD is designed to work with stock Glock triggers and aftermarket trigger components that do NOT alter pre-travel. This part has been developed by LANGDON TACTICAL TECHNOLOGY, INC. “GLOCK” is a federally registered trademark of GLOCK, Inc. and is one of many trademarks owned by GLOCK, Inc. or GLOCK Ges.m.b.H. Neither Langdon Tactical Technology, Inc, nor Boresight Solutions are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H. The use of “GLOCK” on this page is merely to advertise the sale of GLOCK pistols, parts, or components. For additional genuine GLOCK, Inc. and GLOCK Ges.m.b.H products and parts visit

DISCLAIMER: We recommend that this product as well as all other firearms parts & kits be installed by a competent pistolsmith. No liability is expressed or implied for ANY damage or injury which may result from improper installation or use of this product. Installation of any firearm parts may limit or void the manufacturers warranty. We strongly recommend that the safety and operation of your modified handgun be thoroughly checked by an accredited gunsmith prior to use.

1 review for LTT Striker Control Device / SCD , full-size For GLOCK Gen 1-4

  1. csmerrylees (verified owner)

    I highly recommend Boresight Solutions for your 2A needs!!! Ben was very responsive and I’m completely satisfied as a customer! The ordering process was easy and selection of services is impressive!

    I recently purchased the “LTT Striker Control Device” for my GLOCK 19 & GLOCK 30SF (Generation 3). The SCD was easy to install and functions flawlessly! The SCD is a must have for GLOCK owners.

    Chris M

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