Check the listing for details. Improved OVI USMC Pack Modification Kit Top Buckle Adapters for FILBE Pack. Condition: New. Listed at 11.75 USD. TOP BUCKLE ADAPTERS ONLY - NO OTHER PACK COMPONENTS INCLUDED. Early lots of USMC Pack System shoulder harnesses suffered from load lifter buckle failures and improperly sized quick release straps. In 2013, the USMC began issuing a mandatory modification kit for affected packs manufactured by Eagle Industries. Made to military specifications with NIR-compliant webbing and hardware, the OV Innovations USMC Pack Modification Kit is now available to upgrade or repair your FILBE pack. The Top Buckle Adapters are provided to replace the existing load lifter buckles on the Shoulder Harness Assembly. Double bartack design provides lasting durability. These are attached directly around the top of the pack frame to ensure utmost reliability. Specifications: • Materials: solution-dyed nylon webbing, ITW Nexus hardware, NIR-compliant snap fastener, T-70 nylon thread • Features: load lifter buckle and quick release strap upgrades for the USMC FILBE Main Pack • Color: coyote brown • Made in the US from US materials• Sold per pair