Tactical Edge developed the warfighter Grunt 5.56x45 carbine with direct input from active duty special forces and developed by the engineers at Tactical Edge to produce the lightest most durable carbine on the market. Forged upper and lower receiver are made from high grade aluminum and fit with milspec internals as well as upgraded dynamic combat trigger and ambidextrous safety selector. The 4150 chrome lined M4 profile barrel is machined to exacting tolerances for accuracy and is phosphate coated for corrosion resistance. The Tactical Edge Warfighter 16 utilizes the WRS12 free float handguard, made from 6065 grade aluminum and machined to milspec standards with Type III hard coat anodizing with 4 QD sling attachments. The Bolt on the Warfighter 16 is DLC coated which is a 30% stronger finish than Nickel Boron and built out of milspec grade steel, for long service life. Built to be the best fighting rifle on the planet, the Tactial Edge Warfighter Grunt 5.56x45mm is sure to be your go to rifle when things go bad.