Apex spring kit competition m&p m2.0/m&p9/40 not m&p45
FEATURES:
-Reduces trigger pull weight in your M&P pistols
-Works w/ all current production Smith & Wesson M&P semi-auto pistols chambered in 9mm, .357SIG &
.40S&W
Other Features: Reduced trigger pull weight use with apex fully machined sear and ultimate striker block to reduce trigger pull (-2.0lbs) fits m&p 9mm/.40s&w, fits m&p m2.0, does not fit shield, bodyguard or m&p22, or m&p45