PMM +4 Extended Magazine Baseplate for M&P 9Features:
- Spring loaded gate allows for simple installation
- Fits factory mags only
- Compatible with OEM spring– floor plate MUST be removed prior to installation
- Machined in house out of quality 7075 aluminum
- Finished in type III class 2 industry standard hardcoat anodize in black
- Made in the USA
Optional Extended Power Mag Spring
- We have received reports from a few customers of underpowered factory springs. You are able to stretch your spring if you are having lock-back issues, or we are offering extended power springs for an additional cost.
Compatibility:
- Full-sized and Compact double stack 15 & 17rd M&P 9mm mags
- **Not** compatible with 10rd low-capacity magazines with the plastic-block bottoms
Magwell Compatibility:
- Floyd’s
- Carver Custom
Disclaimer:
Per our terms of service, you are responsible for knowing and following all applicable Federal, State, and Local laws and regulations. If you are unsure of your local and state laws and regulations, please call your local law enforcement prior to ordering.
Not for sale to California or Washington residents.












