Anything like these?

https://www.lauritz.com/en/auction/french-ideal-sporting-gun-calibre-12/i3425099/

This from another site:

According to Ideal book (p. 14) the following were standard calibers offered:
1887 (start date of Ideals) until 1897: "500 Express" (I strongly believe this is 500bpe or nitro for black, author gives the following ballistics: 570meters per second, charge with 9 grams of large black powder)
1897 to 1908: "Caliber 50" (maybe 500NE?)
1909: 450NE, "375 English" (2 1/2"), and 303 British (as is shown in the catalogue scans above)
1910: added 405 WCF
1911: 450NE dropped and 8mm Lebel added
1914: outbreak of WWI and double rifle Ideal manufacture stopped
1925: Recommence of manufacture of double rifle Ideals, in 8mm Lebel, 450 NE.
1931: reintroduction of 405WCF
1937: 8mm Lebel replaced by "375 magnum" (I assume the flanged H&H).
1939: outbreak of WWII double rifle manufacturing stopped for the last time.

There were also custom orders for various calibers like: 8mm Lebel, 11mm Gras (the French service cartridge before the 8mm Lebel in the 1870s-80s), 6.5 Daudeteau, 11mm Werndl, 7.92 German, 6.5 Mannicher-Carcano, and 303 British.

https://www.pmulcahy.com/single-shot-double_sporting_rifles/french_ss-d_spr.htm

1910 Catalog:
[Linked Image from jpgbox.com]

Last edited by Argo44; 08/22/21 06:33 PM.
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