Reset Assist Mechanism (without magazine disconnect

For use in all Smith & Wesson original centerfire M&P models in 9mm, 357SIG and 40S&W that DO NOT INCLUDE a thumb safety or Internal Locking System (ILS). In order to install the RAM, your frame MUST have the plugged hole with the "L" and arrow next to it on the left side.

Not for use in the M&P M2.0 models, any M&P models with a thumb safety or Internal Locking System (ILS).