BCM4 updated second-generation MCMR configuration with 15-inch M-LOK handguard, improved ambidextrous charging handle, and 16-inch chrome-lined mid-length barrel. Incorporates feedback from professional users on ergonomics and suppressor compatibility in a refined factory configuration. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2020, USA Weight: 102 oz Overall length: 32.5" Status: Active Intended use: Tactical, Law Enforcement, Sport Shooting