trigger box set for mws m4 gbbr

adjustable trigger box from CGS TM MWS GBBR replicas is an innovative solution designed to work seamlessly with the SP system. Compatible with any CGS GBBR, it allows precise adjustment of the trigger spring and fine-tuning of the trigger sear. With advanced features such as trigger travel adjustment and the ability to customize the hammer spring, users gain complete control over the performance of their replica. Additionally, the D-head anti-roll Hammer pin eliminates unwanted movements, ensuring stability and reliability