Great Lakes Rifles features an M-LOK Rail; aluminum billet upper and lower receiver; threaded barrel; Cerakote finish; polymer grip and trigger. Includes one magazine and 5 assorted SKU's of Out The Front style knives that feature a 3.50" D2 Steel blade and a 4.50" 6061 Aluminum Grip. These come with glass breakers, belt clip and feature a premium Cerakote finish in these colors- Black, Tungsten, Bronze, FDE, and/or OD Green. They may be serrated or smooth blades.