If you've spent any time diving into AR-15 upgrades, you've almost certainly hit a fork in the road: single-stage or two-stage trigger? It's one of the most debated topics in the AR community, and for good reason — your trigger is the direct interface between you and the rifle. Getting this choice right can sharpen your accuracy, improve your split times, and make every range session more enjoyable. This guide breaks down exactly how each trigger type works, where each one excels, and how …