When they very much falls in to the classification of obsolescence now, the RIS and RAS would be the handguards that started the continual evolution which has produced the AR-fifteen forends We now have available today, which by themselves are arguably essentially the most critical parts in ergonomic usage of https://knights-armament-m4-quad85184.blog5.net/68362987/5-simple-techniques-for-knights-armament-m4-quad-rail