Aeroprecision is an offering new M5 atlas handguards to their customers. These m5 atlas handguards were incredibly slim. Their inner diameter is the thinnest which is available on the market right now. They have the lightest & most dependable handguard ever. This company applies superior engineering & machining techniques. Aeroprecision products were recognized across the country. They strive for technical perfection. This M5 complete lower receiver includes M5 stripped lower receiver, MOE GRIP, PRS gen three precision adjust stock, Lower parts kit, Riffle receiver, and M5 rifle buffer. All the product are affordable to buy.