The Seekins Precision SP3R M-LOK 15" Rail System Handguard is designed to bring precision rifle stock performance to the AR-15 platform. Machined from 6061-T6 aluminum, this handguard features a full-length Picatinny rail, front and rear QD sling attachments, and M-LOK slots at the 3, 6, and 9 o'clock positions for versatile accessory mounting.