I would guess a model #1, requested no top bevel sharpened...perhaps by local or state restrictions...but who knows? You cannot request the #1 top on a #5. Of course, ordering a #1 with this setup would be the same thing anyway.
Best, Capt. Chris
_________________________
Capt.Chris Stanaback
RKCC/RKCA Founder
RKS #016
NRA Lifetime Member
CAPTSTANABACK@aol.com
WEBSITE: www.captstanaback.com