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SHADOW SYSTEMS
Get the same proven Johnny Glocks quality and reliability--now built specifically for your Shadow Systems platform.
RECOIL MAG AUG 2025
Recoil Concealment magazine mentioned us in a standout article by Steven Kuo, titled “Piercing the Iron Curtain.” The article spotlights Shadow Systems’ new California-compliant pistols and gives a big shoutout to the newly developed Johnny Glocks Umbra Trigger Kit — purpose-built for the MR920, XR920, and DR920P platforms.
REDUCED PRE-TRAVEL
CLEAN CRISP BREAK
TACTILE AGRESSIVE RESET
FAQs
Compatible with: MR, XR, DR & Foundation Shadow Systems platforms (such as MR920, DR920, XR920 models).
It is NOT compatible with CR models. The Evolution X Combat or Competition, without the striker. is a superb drop-in trigger kit for the CR.
Shadow Systems proprietary parts are specifically engineered to work optimally within the Shadow Systems platform. They offer better performance, reliability, and compatibility compared to standard Glock parts.
Available for Pre-order now. We are looking to ship mid-June 2025
SAFETY & RELIABILITY STATEMENT
Every Umbra trigger from Johnny Glocks is bench-tested in live Glock and Shadow Systems platforms to confirm full safety engagement and mission-ready reliability. Each unit is manually verified for striker block, drop shelf, and trigger tab function—no automation, no assumptions. Umbra isn’t just an upgrade—it’s a precision tool built for operators who demand absolute confidence under pressure.