Pic of old finn

[browningautorifle]

What is the D cartridge?

The nutshell is the Finns re-barreled many Nagants [M91/30 and M39?] with .308" bores, marked with a “D” on the barrel.
They built them as match rifles, but they shot their standard 7.62x54R [match?] ammunition through them.

Here's a thread explaining more... 7.62x54R and .303 bore - where it came from? - #7 by BlueBoy1969 - General Ammunition Discussion - International Ammunition Association Web Forum

[Chainsaw311]

The nutshell is the Finns re-barreled many Nagants [M91/30 and M39?] with .308" bores, marked with a “D” on the barrel.
They built them as match rifles, but they shot their standard 7.62x54R [match?] ammunition through them.

Here's a thread explaining more... 7.62x54R and .303 bore - where it came from? - #7 by BlueBoy1969 - General Ammunition Discussion - International Ammunition Association Web Forum

There is a D stamped on the barrel,two actually of different sizes.The bore on mine slugged to 311-312