cylinders for small and large interchargable cores

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The Schlage small format interchangeable core rim cylinders 80-329, 80-159, 80-116, and 08-129 can accept 6 pin and 7 pin small format cores.
The "C" indicates small format IC core, which is the only core style Falcon products.  The C987 will be provided less core unless -6, or -7 suffix is specified (6 or 7 pin core) Example:...
The Schlage L9000-Series with anti-ligature trim cannot be ordered less cylinder (L cylinder suffix), but can be ordered less core (BD or J cylinder suffix). The cylinder rose dimensions change bas...
The 23-030 is a Schlage Full size interchangeable core. 
The Schlage B and BD cylinder suffixes designate less small format interchangeable core (SFIC) cylinder prep for the lock. Any SFIC, 6-pin or 7-pin, can be inserted into the lock and will operate t...
The full size interchangeable cores or FSIC from Schlage.