The Apex .45 Competition AEK is specifically designed for the Smith & Wesoon M&P45.
The Competition kit includes:
Apex M&P .45 Hard Sear
Apex M&P Ultimate Striker Block Kit
Apex M&P Competition Striker spring
Apex Competition Sear Spring (Two sears of different sizes are included in kit)
Apex M&P Competition Trigger Return Spring
Aluminum slave pin for installing the trigger return spring
*For competition use ONLY – not for Duty/Carry or self-defense applications.
The kit itself is engineered to be drop-in and should require no further gunsmithing (Armorer or gunsmith installation is recommended).