Description
The Timney 646C is a two-stage replacement trigger built specifically for the Ruger American Gen II centerfire rifle. It is aimed at hunters and precision-minded shooters who find the factory trigger inconsistent or too heavy for the work they are asking the rifle to do.
A two-stage design separates the trigger pull into two distinct phases: an initial take-up that loads the mechanism and signals to the shooter that the break is imminent, followed by a shorter, crisper second stage where the sear releases. That architecture gives you a clear reference point before the shot fires, which is particularly useful in hunting situations where time pressure and awkward positions make trigger discipline harder to maintain. The alternative — a single-stage trigger with a long, undifferentiated pull — offers no such warning, so two-stage designs are a common choice for shooters who want to know exactly where they are in the pull cycle without looking away from the target.
Pull weight across both stages is adjustable. The first stage runs lighter, functioning as a staging area rather than a meaningful resistance, while the heavier second stage handles the actual break. Being able to tune these independently lets you match the trigger to the conditions — a lighter overall pull for bench or prone work, somewhat heavier if the rifle is going into the field where gloves or cold hands are factors.
The housing is machined from alloy and the internal components are steel, which keeps the assembly rigid without adding unnecessary weight. Installation does not require a gunsmith; the trigger drops into the Gen II action using the factory stock architecture. Finish is blued.




