A & C are a "no", although a Sgt make be "force-fitted" into the #25-5" sheath there is a more-than-good possibility of cutting through the stitching.
"B" Brass or Aluminum spacers (with black or red fiber spacers) is a chargeable option @ $25.00...(2023 prices)
Hope this helps,
Capt. Chris
_________________________
Capt.Chris Stanaback
RKCC/RKCA Founder
RKS #016
NRA Lifetime Member
CAPTSTANABACK@aol.com
WEBSITE: www.captstanaback.com