I think you are both right. Again, according to the 1945 SB ad:

Terrier is ONLY 5 shot, round butt and 2" barrel.

.32 Regulation Police is 6 shot, square butt 3 1/4, 4 1/4 or 6 inch barrel.

.38 Regulation Police is 5 shot, square butt 4" barrel.

SB isn't a detailed history, but I would think that the ad would show other options.

The Stoeger Cataloge Edition No. 10, 1929, shows the Regulation Police as a 6 shot 32 or 38 with the 32 in 3 1/4", 4 1/4" & 6" lengths and the 38 in 4" only. Penetration of white pine boards was featured in several ads as:

38 SPL 8 1/2 boards
38 S&W 5 boards
32-20 5 1/2 boards
32 4 1/2 boards.

I thought you all might like to know some trivia. I am learning still and I want to thank you all for the help.

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