The ProMag Archangel AA137 is a costeffective, lightweight AR15 carbine handguard constructed from impactresistant polymer with an integrated steel heat shield to improve heat dissipation during sustained fire. Its engineered to be ergonomic for comfortable gripping and to accept standard AR15 accessories (MLOK compatible fitment noted on ProMags product listing). The Archangel is made in the USA and sold as a dropin replacement handguard for typical AR15 carbine setups.