The Gemtech G5 sound suppressor for 5.56mm rifles adds 5.5 inches to the overall weapon system length mounting over its flash hider -- an easy push and twist that may be done wearing gloves, in any weather condition, and in total darkness. The mount provides repeatable POI shift each time it is mounted. Fast to install, utilizing a one-handed, secure mount that can be installed without clumsy gates, latches or dials. It's either on, or it's off - Quickly. Premium sound reduction levels offer OSHA-safe hearing protection to all exposed to gunfire noise, not just the shooter.