Designed for steady, repeatable performance in varied environments, the Seekins Precision SEEKINS MCSR MLOK RAIL 12" BLK emphasizes functional reliability and straightforward operation. Precision machined from 6061-T6 aluminum, it features a seamless top Picatinny rail and M-LOK slots at the 3, 6, and 9 o'clock positions for solid mounting of accessories where needed. Ideal for tactical or competition use, this handguard is designed to fit over a sound suppressor, with a generous 1.8" inside diameter. Seekins Precision is renowned for its ongoing product development and innovation.