Brent and Buck
I have received knives, a model 16 and a Buxton fighter with nickel silver model 18 style hilts with the holes, so I believe that it would be possible on a model 15

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