Crimson Trace DEFENDER SERIES™ ACCU-GUARD™ LASER SIGHT CT-DS Thin Blue Line Adjustable hem with an internal

Adjustable hem with an internal shock cord system

The O-ring sealed

This kit is a factory replacement kit

Beyond aesthetics

Crimson Trace DEFENDER SERIES™ ACCU-GUARD™ LASER SIGHT CT-DS Thin Blue Line Adjustable hem with an internalCrimson Trace DEFENDER SERIES ACCU GUARD LASER SIGHT CT DS The DS 121 Defender Series Accu Guard Laser Sight by Crimson Trace fits GLOCK Full Size and Compact pistols. The Defender Series sets a new standard in laser sight for GLOCK pistols by providing cutting edge design, superior technology, and an affordable price tag. The DS 121 features Beam Lock Adjustments so that the user can easily adjust laser sighting for both windage and elevation, and