https://www.gunboards.com/threads/unusual-t30-finnish-or-estonian.1032834/
Estonian KL .303
https://www.gunboards.com/threads/estonian-arisakas.194514/
Estonian conversion of the standard Type 38 to the .303 British cartridge, intended for usage by second line troops of the Estonian Defence League. A total of 24,000 rifles were rebored during 1929–1934.[9]
The .303 British Estonian/Latvian Mauser,
https://www.gunboards.com/threads/enfield-p14-m1917-7-62x54-conversion.1235996/
https://www.gunboards.com/threads/estonian-mosin-nagant.1229762/
Estonia
After the Estonian War of Independence, Estonia had around 120,000 M/1891s in stock, later the Kaitseliit, the Estonian Defence League, received some Finnish M28/30 rifles, a few modernised variants were also made by the Estonian Armory;
- M1933 or 1891/33 was standard rifle of Estonian armed forces.
- M1938: a further variant of M1933, 12,000 rifles.
- KL300: a variant for Kaitseliit, 4,025 were made.
- M1935 “Lühendatud sõjapüss M1935”: “shortened rifle M1935” was a shortened variant of M1933 with 600mm barrel, 6,770 rifles.