TR-1upgrade
TR-1upgrade® is a dynamic company engaged in the distribution of technical materials and components for sporting and defensive firearms at a professional level.
It is a Custom Shop specialized in the development of accessories and enhanced trigger kits.
These components, designed for the most widely used firearms, are offered to gun dealers only after rigorous field testing, in order to ensure maximum safety for professional use and optimal tuning for sport shooting.
In this field, alongside the well-known interchangeable polymer frame Covers for Beretta APX pistols, grips, and other accessories, the standout products are the TR-1 series trigger kits.
TR-1 Upgrade Trigger Kit for Beretta 1301 Tactical – Full Test & Installation
How to apply grip decals.
TR-1 Flat Performance for Glock series - Installation video
Fast assemble TR-1 Trigger on Beretta 92x Performance.
TR-1 Crocodile for this Glock of Tactical Italy Group
How to Install the TR-1 Kit Trigger for Cz 75 Sp01 Shadow and Shadow 2
Review on TR-1 Crocodile Glock trigger By "EDC for Edg"
How to Install TR-1 for Beretta with Safety Slide Series
How to install the TR-1 Kit OPEN for Beretta Apx and Apx A1 Series
Installation complete of TR-1 Trigger Kit for Beretta APX/APX A1 series
How to Change the Cover Apx with TR-1 version
How to install the TR-1 Ergal Mag Release for Apx and Apx A1 series
How to install the TR-1 Kit Springs: Challenge - Competition and Defense for Glock Gen 5
Installation of TR-1 Complete kit for Glock 17/19 Gen 5
How to install TR-1 Kit Springs: Challenge - Competition and Defense Kit
How to use the TR-1 Molybdenum Grease
TR-1 Installation Complete Kit for Glock 17/19 Gen 3 - Gen 4