The M4-L89 series is designed as a premier fighting rifle built for years of hard use. The rifle features a combat-grade barrel and A5 buffer system along with SOLGW's Liberty series Fighting Trigger, ambidextrous charging handle and ambidextrous Quick Selector. This model features a 13.7-inch barrel with a pinned and welded Huxwrx flash hider. One 30-round magazine is included.