The Kel-Tec RDBDGRN, awesomely named as the RDB Defender, is derived from an ingenious blend of the RDB and RDB Survival designs. This powerful tool stands out as an optimal 5.56 caliber, light-duty, tactical bullpup. This uniquely lightweight design features a standard aluminum M-LOK handguard, a collapsible stock, and a sleek 16\" pencil profile barrel. With its tactical versatility, the RDB Defender lets you protect your property, your community, and your homeland effectively. Experience the best the market has to offer with the RDB Defender.