It is possible that it was not originally a finger grip 14. Often the finger grips are deeper on some knives and more shallow on others. It could have been a single finger grip or Border Patrol handle also. It is an interesting knife and looks like owner modified to me
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Peter
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Peter Kaufman NRA Life GOA SAF RKCC CM-023 RKS #5642 SHAG # 005 Ironwood Nut Life is too short to have ugly knives