Features of Elftmann Match Trigger: Fits any mil-spec AR's Absolutely Drop-Safe regardless of pull-weight Factory set Pull-weight is approximately 50% lighter than that of a standard AR, providing a great combination of speed and accuracy Adjustable from 4lbs to 2 3/4lbs without removing from lower Full power hammer spring ensures proper ignition of primer Very short pull and reset allows for rapid follow up shots and greater accuracy Sturdy trigger assembly designed for rugged, trouble-free use; Made of lightweight aircraft-grade aluminum and hardened steel Unique design of disconnect allows full 1/4" width eliminating possibility of wear and double-firing High performance trigger and hammer needle bearings for smoother and faster operation.