RCM - SIG M400
Sorry, currently out of stock
COMING FEB 2025
This magwell model is intended to fit the SIG M400 lower. This model will not work on the SIG M400 "SDI" model which already has a large magwell in the forging.
Sorry, currently out of stock
This magwell model is intended to fit the SIG M400 lower. This model will not work on the SIG M400 "SDI" model which already has a large magwell in the forging.