I’m going to be judged for saying this, but, I remember the story of Khal Lake or something like that, the Japanese captured some Fedorov there, we’ve already lost the thread in the madness with the Ofenhor, as we say in my country “de perdidos al río”, for more context (I just did a google translate, I am too rusty)
Article. “Captured Soviet AF and ABC-36 rifles after the battles at Lake Hasan”
Archive “Army Department Main Records” Main Records. Section B. full edition. 1938.
Record No. 3686. Weapons Department. Small Arms Bureau. "Samples of Russian-type small arms received at the end of military operations in the border area near Lake Hasan 張鼓峰事 (Tyo Hokoto) were transferred. Date of receipt of sample: December 8, 1938.
Record No. 7576. December 22, 1938. An order signed by Rikyu Hiroshi, Adjutant for Army Supply (at the Air Force Headquarters) to the Technical Supply Department. “Conduct a general inspection, description, measurements and drawings, and operating diagrams of the mechanisms of the received sample of the automatic rifle. Received on December 8, 1938 from the Department of Registration and Collection of Captured Weapons in a set: an automatic rifle “Fuedorofu” type 1925 (フェドロフ 1925式), a signal pistol (flare gun), an automatic pistol type “Korofuin”, a pistol type “Nagant”. The automatic rifle (as written) “Fuedorofu” has damage.” Further in the Japanese documents there is a brief description and final conclusions after the inspection and testing. But already under the name “Sakarofu” (Japanese name Simonov ABC-36).
Archive “Army Department Main Records” Main Records. Complete edition of 14 books. 1940.
Kwantung Army. General Department of Leadership. Section 2 of the Higher Leadership. Rikyu Mitsuru Hisoka.
Record No. 1592. A total of 2 (two) devices (rifles, mechanisms) were tested, 4 shots were fired each. Data from the automatic rifle received from the post “Sumoriyaka” (Smuglyanka), which was used by Soviet border guards during the illegal border conflict at Lake Hasan 張鼓峰事 (Tyo Hokoto). The “Sakarōfu” rifles are automatic and equipped with a detachable magazine, real and complete experiments were carried out to study the operation of the mechanisms.
The report was sent on September 30, 1940, in response to a request from the General Administration of the Kwantung Army, Department 2 of the High Command of the Army, Isomura Take Akira (Deputy), a copy of the report to the Anami Security Administration. It is necessary to send the report with a sample of the tested rifle “Sakarofu Corps No. 2” (rifle ABC-36 under the number No. 2) that passed the full and real test cycle for Kyu Aritaruni for exhibiting (exhibition?) ".
Further in the Japanese text.
These rifles are listed in the reports as “Sakarofu” (ABC-36), in reality, samples of rifles “Fuedorofu” (Fedorov m1925) for 6.5 mm cartridges were received.
The rifles arrived from the border police units on August 21, part of the troops of Ushijima, whose headquarters was located in Tianjin in Senda.
The appearance of the rifle “Sakarofu” Simonov m1936 in the Soviet army is noted and cited in “Khasan incident military trophies”, Soviet army “weapons, photos from the manual”
Japanese Center of Asia Historical records Reference code: C01003423800