Even though they greatly falls in on the category of obsolescence now, the RIS and RAS tend to be the handguards that began the continual evolution that has developed the AR-15 forends we have available today, which them selves are arguably the most essential elements in ergonomic use of IR https://connerdqbqr.therainblog.com/26304706/the-definitive-guide-to-kac-m4-ras