The USMC FILBE Main Pack Frame is a rigid external frame designed to support the Family of Improved Load Bearing Equipment (FILBE) rucksack. It provides structural strength and stability for carrying heavy loads in demanding field environments.

• Pattern: Coyote Brown
• Material: High strength polymer
• Function: External frame for rucksack support and weight distribution
• Compatibility or Design: Fits FILBE main pack with adjustable shoulder harness and hip belt attachment points

Issued to U.S. Marine Corps personnel as part of the FILBE load carriage system.