january utc fwiw the rd magazine wasn't a regular issue item in the straight rd mags were the standard issue then the ichord subcommittee fixated on the troops' belief that the rd mags would not work well when loaded with more than rds oh and i noticed that in his testimony before the ichord subcommittee colt's koni ito cited the change to lsa as one of the three changes that would turn things around for the m a the other two were the introduction of the new buffer and chrome plated chambers