MESA TACTICAL's Receiver Mount Shotshell Holder increases 12 gauge ammo capacity, attaches to the receiver, and is available in various configurations for different shotgun models.
Installation may require modifications such as using a shorter forend or altering the forend for Remington models, or drilling/tapping for certain Benelli models.
The product is constructed from durable 6061 T6 aluminum with a matte black anodized finish, includes mounting hardware, and is designed for right-hand use only.