PowerMadd is excited to introduce our latest handguard offering! The Sentinel Series Handguard is designed to be the most stylish, durable and funtional handguard to date. The Sentinel guard is larger compared to the Star Series which in turn gives you more protection. The mounting brackets are 6061 aluminum, while the guard itself is made of two different types of plastic—a stiff two piece spine for durability, and a softer colored body for flexibility.