Reasons, both are 5 inch blades, and both can have just about any handle material, so grips for the 1911 could be made from the same material. Also, both are personal protection type knives too.
Peter
_________________________
Peter Kaufman NRA Life GOA SAF RKCC CM-023 RKS #5642 SHAG # 005 Ironwood Nut Life is too short to have ugly knives