Daniel Defense 0100408030006 M4A1 FSP RIS II Handguard 12.25″ 2-Piece, Free-Floating Style Made of 6061-T6 Aluminum with Black Anodized Finish & Picatinny Rail for AR-15

Overview

The Daniel Defense M4A1 FSP Rail Interface System (RIS) II is a two-piece, free-floating handguard designed for carbine-length gas systems with a front sight base. Constructed from 6061-T6 aircraft-grade aluminum with a Mil-Spec Type III hard coat anodized finish, the rail utilizes a battle-proven 6-bolt Bolt-Up System that securely attaches to the upper receiver. It features an uninterrupted top rail and Mil-Spec 1913 Picatinny rails. The RIS II allows for the mounting of an M203 grenade launcher without requiring additional parts or special tools when the lower rail section is removed.

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