The FightLite Industries MCR Bolt O-Ring is a dedicated replacement sealing ring engineered specifically for the MCR bolt assembly. Built to factory specifications, it helps preserve the proper seal within the bolt system so your MCR platform continues to cycle smoothly and consistently during regular use and maintenance.

This compact accessory is ideal for owners who want to keep a spare on hand or refresh a worn component to maintain reliable function. By supporting consistent chamber pressures and smooth bolt travel, the MCR Bolt O-Ring is well suited for range sessions, training days, and general rifle use where dependable operation matters. Its design reflects FightLite’s focus on practical engineering and durable components for the MCR system.

Key Features:

• Manufacturer: FightLite Industries
• Model: MCR Bolt O-Ring
• Make Model Fit: FightLite MCR
• Material: Viton Rubber (FKM)