POF-USA 4.0LB EFP DROP-IN TRIGGER AR-15The POF USA Enhanced Finger Placement (EFP) 4. 0lb Drop In Trigger offers a significant upgrade for your AR 15 platform. This single stage, non adjustable trigger features a crisp 4 pound pull weight, providing improved accuracy and faster follow up shots. Pre assembled in a hard coat anodized aluminum housing, it ensures easy installation and consistent performance. The forward positioned trigger shoe naturally guides your finger to the same resting