870 Serial Number Decoding

[janesy]

Does anyone have a list of the letter pre/subfixes?

For example

V= 2 3/4"
M=3"
A=3 1/2"

... What are the designations for the different receivers ie: Police/WM/MM/Express?

 

[duke1]

I don't know how reliable the following information is but it might be helpful?

Duke1

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M/870 LETTER PREFIX

1950 TO APPROX 1968: NO SERIAL NUMBER PREFIX
1968 TO PRESENT: LETTERS USED (IN SEQUENCE)
S-68, T-74, V-78, W-84, X-90, A-91, B-94, C-97, D-01, AB-05

LETTER SUFFIX (DESIGNATES GAGE)

V 12 GA. (2 3/4”)
M 12 GA. MAGNUM (3”)
A 12 GA. “SUPER” MAGNUM (3 ½”)
W 16 GA. ( 2 ¾” )
X 20 GA. “HEAVY FRAME” (DISCONTINUED)
N 20 GA. “HEAVY FRAME MAGNUM” (DISCONTINUED)
K 20 GA. “LIGHT WEIGHT” (“LW”) (ALSO INCLUDES M/1100 “LT”)
U 20 GA. LW MAGNUM (ALSO INCLUDES M/1100 “LT”)
J 28 GA.
H .410 BORE (2 ½” OR 3”)

 

[Greens_11]

Neat List Thanks Duke

 

[janesy]

That is a good list.

Is there a pre-fix list to designate the type /class of 870?

 

[duke1]

The Internet has tons of info on the 870 and here's an example:

http://www.google.ca/search?sourcei...rlz=1T4ADBR_enCA271CA271&q=870+serial+numbers

Good luck!

Duke1

 

[B]

The Internet has tons of info on the 870 and here's an example:

http://www.google.ca/search?sourcei...rlz=1T4ADBR_enCA271CA271&q=870+serial+numbers

Good luck!

Duke1

Who would have thought????

 

[janesy]

nevermind