Answer
Aug 05, 2026 - 11:57 AM
No, LFIC (Large Format Interchangeable Core) and FSIC (Full Size Interchangeable Core) are not the same. LFIC typically refers to Schlage's unique large-format core, while FSIC is a broader term used for standard full-size interchangeable cores made by various manufacturers. The two are not always compatible with each other's hardware.
