Hera USA Magazine, H3L, 223REM/556NATO, 10 Rounds, Fits AR-15, Black 13-10B Hera USA's civilian 10 round magazine for use in semi-automatic firearms of the AR15 / M4 series. Specially made without a limiter for the California market" the H3L can neither be dismantled nor converted. Enables legal training with the feel of a 30 round magazine in various US states.