This is a Apex Tactical Specialties Trigger known as the S&W M&P, model FSS.
Designed to work in any Smith & Wesson M&P model pistol in all centerfire calibers" the patented Apex Forward Set Sear & Aluminum Trigger Kit reduces trigger pre-travel and over-travel to deliver a short" crisp trigger pull close to that of a single-action 1911 but in a polymer striker-fired pistol.
Features:
Lowers pull weight to between the 4lb and 5lb mark
Smooth uptake and reset with crisp break
Reduces overall trigger travel approximately 50%
