The parts listed here are fully compatible with the Springfield Armory EMP 4", which has a 4" barrel and a full Government length grip. The EMP mag well is shortened front to back to be sized for a 9mm. The EMP 3" and bobtail models will accept the listed small parts and sights, but see below for further.

*The grips and mainspring housings listed here will ONLY fit the EMP 4". Please note that the 3" EMP and bobtail models have a shortened or modified frame, and require unique grips.