The meaning behind this one might be a little too subtle. The one red bullet is to represent “Did I fire six shots or only five?”
I used two images for this, so here’s the attributions:
1.
Description
English: Smith & Wesson .44 Magnum Model 629 with 8 3/8″ barrel — a stainless steel version of the Model 29. Photo © by Motorrad67
Date
2007-09-07 (first version); 2007-10-02 (last version)
Source
Originally from en.wikipedia; description page is/was here.
Author
Original uploader was Motorrad-67 at en.wikipedia Later versions were uploaded by Liftarn at en.wikipedia.
Permission
(Reusing this file)
ATTRIBUTION.
en.wikipedia.org/wiki/File:SW_Model_629.jpg
2.
Title: Steyr and cartridges
Author: sillyjofo
License
Attribution – Noncommercial – Some rights reserved