Flared Magwell for the Mark 15 and newer 3211 Grips.

Has been proven to fit the factory Sig, Magpul A-Mag, and Promag magazines.

Very wide mouth for faster reloads.

Comes with extended length (1.488") mainspring housing pin.

NOTE: Does not fit previous versions (Mark 14 and older) 3211 grips.

DESIGNED AND MADE IN  IDAHO

Due to Commiefornia's new unconstitutional law (AB 1263), we cannot ship any firearms related parts directly to a California resident without becoming "criminals"

We can ship directly to an FFL for you to pickup. Please email ryan@2Amachines.com if you would like to ship to CA.