The RSA-MP5K adapter will fit the MP5K and clones. It has a picatiny rail machined on the rear which allows you to install our 1913 style stocks/braces!

7076 T6 aluminum

Hard coat/black anodized

1913 milspec rail

Includes choate buffer

Adjustable cheek wield

Allows attachment of pistol braces

Installs using factory pins

Fits MP5K clones (will not fit reverse stretch)

May not be compatible with some SP5K models, due to tolerances.

*Not compatible with CNC Warrior 1913 stocks/braces.

*Will not work with collapsible PDW style stocks or braces

Attaching a stock to a pistol makes it an SBR and requires NFA approval. You are responsible for knowing and following your local/state/federal laws!