THXYou’re going to have to mess around on google.
Couple minutes in and I found this.
View attachment 1137318
with some assumptive math: serial numbers starting at 5400 in 1922, 28000 in 1928, that assumes they made about 22600 over 6 yrs or 3700 per year...reality check: that would be about 3000/mth or about 100 per day over a 30 day month...today with mass production very do'able, back then maybe?An FYI for OP - look carefully at the stampings on the barrel - I was recently looking at one - I have a semi-auto and a lever action Browning .22 L.R. (Long Rifle). The Pump Action "trombone" that I was looking at was stamped "22 L" (Long) - I do not think a 22 Long and a 22 Long Rifle are the same thing. The SA22 is stamped "22 Long Rifle" and the BL-22 is stamped "22 Short, Long & Long Rifle. Both are stamped as made in Belgium.
I think you may be wrong. 22 long and 22 long rifle are not the same.22 L and .22 LR are the same. .22L is a European designation and .22LR is North American. Just over half were made prior to WWII (or World War Eleven according to a one US politician). Serial numbers from 0 to +/- 62000 were made prior to the mid 1930's.
Your rifle was most likely made somewhere between 1926 and 1929.
I've written a book on the Trombone and am waiting on the dates of manufacture from FN to complete the book.
I think you may be wrong. 22 long and 22 long rifle are not the same
You are correct, they are not the same and I should have been more clear.I think you may be wrong. 22 long and 22 long rifle are not the same



























