DANIEL DEFENSE M4A1 RIS II FSP Rail Assembly 12.25" FDE

DANIEL DEFENSE RIS III 10in Black Rail Assembly (01-004-03261-006)

DANIEL DEFENSE RIS III 10in Flat Dark Earth Rail Assembly (01-004-03261-011)

DANIEL DEFENSE RIS III 13in Flat Dark Earth Rail Assembly (01-004-02383-011)

DANIEL DEFENSE M4A1 FSP RIS II Rail Interface System Flat Dark Earth Handguard (01-004-08030)

DANIEL DEFENSE RIS III 13in Black Rail Assembly (01-004-02383-006)

DANIEL DEFENSE M4A1 RIS II Flat Dark Earth Rail Interface System (01-004-08001)

DANIEL DEFENSE RIS III 9.5in Flat Dark Earth Rail Interface System (01-004-02976-011)