Receiver Mount Shotshell Holder - Sm 6-Round Shotshell Holder Fits Moss 500/590

Rugged and lightweight, aluminum shell holders put extra 12 gauge shotshells on the left side of the receiver for fast tactical reloads. Shells are held in place with a unique, internal Santoprene(TM) elastomer rib that securely retains even heavy slug shells during vigorous movement or heavy recoil. Available in sidemount (SM) or Picatinny rail (PR) configurations. All necessary installation hardware, tools, and instructions included. Remington Sidemount is available in 4-, 6-, and 8-round capa