Rifle Basix Triggers are manufactured from the highest quality materials. Internal parts are EDM cut from A2 tool steel and then heat treated and polished for consistent performance. This trigger requires the use of the factory safety; gunsmith installation is recommended. Technical Information Fully adjustable for sear engagement and weight. Black anodized finish. Uses factory safety. Left or right hand Stock may require inletting to clear this trigger Gunsmithing not required for installation, however installer should be familiar with trigger and safety operation.