CMC Triggers Single Stage AR15/10 are available in multiple pull weights and a Signature Flat or Curved Bow. Please select the desired bow design and pull weight from the selections. Manufactured in the Great State of TexasFEATURES Single Stage Match Trigger Available Pull Weights: 3.5, 4.5, 5.5 & 6.5 Ultra-crisp trigger with no feel of creep prior to hammer release The trigger has a glass-smooth break with no feel of grittiness Minimal lock time is designed into the assembly using controlled hammer weight and balance activated by a rocket wire hammer spring, assuring repeatable function with either commercial or military grade ammunition Trigger pull is factory pre-set and not user adjustable Positive trigger reset allows a quick follow up shot on target Hand assembled, and hand tested Totally self-contained one-piece assembly Comes with CMC Anti-Walk Pin Set Fits MIL-SPEC AR-15 and AR-10 style rifles Made from 8620 Alloy Steel and S7 Tool Steel with machined tolerances of +/- .001" Easy to installWHAT IS A SINGLE STAGE TRIGGER? - A single stage trigger requires one range of motion to pull the trigger in order to release the hammer. The benefit of a single stage trigger is that it's simple. Most shooters agree that a single stage trigger is crisper in the "break" of the trigger because you don't feel the initial resistance of the first stage. A majority of shooters prefer the single stage triggers for most applications.