The Larue Tactical MBT-2S Black Two-Stage Straight AR Trigger is precision CNC-machined from solid S7 tool steel delivering unmatched durability and performance. This glass-smooth trigger is built for versatility offering a 4.5 lb crisp two-stage break (2.5 lb first stage 2 lb second stage) with a clean positive reset. Designed to elevate the accuracy of any mil-spec AR10 or AR15 it's rugged enough for intense field conditions and precise enough for competitive shooting. Upgrade your rifle with a trigger engineered for consistency reliability and superior performance. Compatible with all mil-spec AR10/AR15 lower receivers.