You can request "shallow" finger grips or simply explain that you require a standard sized finger grips and not over-sized finger grips. It you want to have a better chance of getting a handle that will fit, consider "single finger grip" as well. The center section is somwhat more narrow (or shallow).
Hope this helps, Capt. Chris
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Capt.Chris Stanaback
RKCC/RKCA Founder
RKS #016
NRA Lifetime Member
CAPTSTANABACK@aol.com
WEBSITE: www.captstanaback.com