Repeatable Accuracy is everything for confidence and success. There are several factors that go into making an accurate crossbow, at the top of the list is a clean, consistent breaking trigger. The Pro-Shot ACP (Adjustable Custom Precision) trigger system provides match-grade performance by Improving consistency and accuracy. Features: Adjustable from 1 to 2-stage configurations. Consistent clean and crisp 3lb trigger pull with no creepFrictionless Roller Catch Technology eliminates any grit from the sear and catchSilent manual safetyFits: Standard (Micro 308 Short/315/335/355, Matrix 310/330/355/380/405/Sapphire, Phoenix/Vixen/Exocet 200/Exomax/Relayer Y25/Offspring), Bullpup models (Micro Suppressor, Matrix Bulldog 330/380/400) Excalibur EXPERT SERIES PRO-SHOT ACP Trigger for Most Standard Models EXP73613