The FightLite Industries MCR Upper Spring Rehab Kit is a dedicated replacement spring set designed specifically for the MCR upper receiver system. This compact kit includes the critical springs needed to refresh worn components, helping restore smooth cycling and reliable function in your rifle’s upper assembly without altering its original design.

Ideal for owners looking to maintain or refurbish an existing MCR upper, this kit provides a straightforward way to replace tired springs and keep the platform running consistently at the range or during training. By focusing on factory-spec parts from FightLite Industries, it supports long-term durability and dependable performance that reflects the manufacturer’s reputation for thoughtful engineering and quality construction.

Key Features:

• Manufacturer: FightLite Industries
• Model: MCR
• Unique Features: Factory-spec spring kit for MCR upper receiver maintenance