Drastically improve the accuracy and control of your rifle when you install a RISE Armament RA-240 ERT Gen 2 AR trigger. Its curved trigger blade will add an element of comfort to your trigger finger. Available in a black nitride or nickel boron finish, the incredibly fast reset will help you hit those follow up shots. Specifications for OpticsPlanet Exclusive RISE Armament RA-240 Gen 2 Enhanced Rifle Trigger: Fabric/Material: Heat-Treated Tool Steel Trigger Pull Weight: 3.5 lb Trigger Pin Size: 0.154 in Hand: Ambidextrous Gun Make: AR Platform Gun Model: AR-10, AR-15