FN Trombones

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I have 2 FN Trombones that have been hiding in the back of the safe and now I’m curious about them.

one is serial # 44### and the other is 77###. What year where they made?
Also it says they are chambered for 22 L, but i have read in a few places that you can fire 22 LR out of them?

Any idea as to what year they were made and what kind of value to put on them? Both are in pretty good shape considering their age.

Here is a pic of the 77###

4OHEvIQ.jpg
 
Your Ser. # 44,000. was made in 1933. The 77,000. was made in 1954. acording to my "Matt Eastman's Guide to Brownings".
Values go up & down with condition. From your pic lets say $ 300. to $450. Realy need to see in hand.
 
Values easily 5-700 in average condition with intact wood.
450 was a few years ago when i was buying/selling.

I always evaluate low until it is in hand , because there is often things not seen in a pic.
Giving high #'s gets people all excited & they are very upset when the # goes down
from some unforseen thing.
 
That benefits the buyer.
The owner can always take an offer or hold out for their asking.

I Strongly disagree with informing to price low when it's not yours.


List high, trombones are far and few between. Good ones are less and many many shooters want one again.

Your picture is pretty rough, i'd start at 800 if its good condition. Wood is in good shape from your pic.
Bluing looks reasonable but I can't see any pitting
 
Your Ser. # 44,000. was made in 1933. The 77,000. was made in 1954. acording to my "Matt Eastman's Guide to Brownings".
Values go up & down with condition. From your pic lets say $ 300. to $450. Realy need to see in hand.

Matt Eastman took the number of Trombones made and simply divided by the years of manufacture. IIRC he said 2,000 made a year. This is incorrect in the extreme.

44### is pre war (as you said) and it's closer to mid 1920's, 1925 or 1926 (?)

77### is just after the war around 1949

Value at recent auction, if finish is original and sights are original is between $700 and $1000

All Trombone such as the one you show are marked .22L and they take .22LR (and shorts). Having said that I'll correct myself; the first 5,000 were marked FL 22C (C for Corto or short but still take .22LR). Some Trombones are marked .22 short and do not take .22LR.

More than likely your Trombones are marked with a C* inspectors mark.

Well done on having two such rifles.
 
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Ok. Where do I learn the age of my BT? Serial #24***
There is 22L, some other marks, R and *C on the barrel, and *C (and others) on the receiver
trombone receiver cropped.jpg
 

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Last edited:
Ok. Where do I learn the age of my BT? Serial #24***
There is 22L, some other marks, R and *C on the barrel, and *C (and others) on the receiver
View attachment 550338

I think 1929.

On the barrel, the marks from right to left;

Definitive Mark
Inspectors Mark
Rifled Arms
Nitro Proof

Far right on receiver;

The (famous) Perron used to indicate inspection or proof of breeching system.

The rear sight appears to be incorrect.
 
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