With regard to the "13 spacer" configuration, there are no substitutions. You can order a #25 styled handle, which comes with brass & black or alum. & black.
Best, Capt. Chris
_________________________
Capt.Chris Stanaback
RKCC/RKCA Founder
RKS #016
NRA Lifetime Member
CAPTSTANABACK@aol.com
WEBSITE: www.captstanaback.com