Thanks Lloyd, but I suspect that information came from Dave.

Yep, the "Double Thick Nitro Breech"

[Linked Image from photos.smugmug.com]

[Linked Image from photos.smugmug.com]

Lewis era catalog hammer gun listing

[Linked Image from photos.smugmug.com]

BTW: the barrels would be Belgian Plain Twist. The English had long run out of horseshoe stubs at that point.
This is a Grade 1 Flues with Twist and the ‘H.R.F.’ mark of Heuse-Riga Fils and the Ithaca Nitro Powder Proved mark - what could they have been thinking!?! wink

[Linked Image from photos.smugmug.com]

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