Designed to enhance quicker maneuvering and ideal high speed. Aluminum handguard is included to provide a durable frame. Krytac buffer tube stores additional space for a smaller battery along with a large model. Compatible with most M4 and M16 AEG rifles. High end smooth finish design gives your AEG an improved and upgraded look.Specifications: Manufacturer Krytac Build Aluminum Alloy Type SDP Comnversion KitColor Black 1X Conversion Kit