: W ay ne ▁State ▁University ▁al umn i ▁Category : American ▁women ▁law y ers <0x0A> </s> ▁ 1 2 2   mm ▁how itzer ▁M 1 9 0 9 / 3 7 ▁() ▁was ▁a ▁Soviet ▁ 1 2 1 . 9 2   mm ▁( 4 . 8   inch ) ▁how itzer , ▁a ▁modern ization ▁of ▁World ▁War ▁I ▁era ▁ 1 2 2 ▁mm ▁how itzer ▁M 1 9 0 9 . ▁ ▁The ▁gun ▁saw ▁combat ▁in ▁the ▁German - S ov iet ▁War . ▁ ▁Development ▁and ▁production ▁history ▁ ▁The ▁gun ▁resulted ▁from ▁a ▁modern ization ▁of ▁the ▁Russian ▁ 1 2 2 ▁mm ▁how itzer ▁M 1 9 0 9 , ▁initially ▁developed ▁by ▁Kru pp . ▁ ▁The ▁M 1 9 0 9 ▁was ▁employed ▁by ▁the ▁Imperial ▁Russian ▁Army ▁during ▁World ▁War ▁I ▁and ▁remained ▁in ▁service ▁after ▁the ▁revolution . ▁ ▁From ▁late ▁ 1 9 2 0 s ▁the ▁R K K A ▁sought ▁to ▁upgrade ▁its ▁First ▁World ▁War - era ▁art illery ▁pieces . ▁ ▁The ▁modern ization ▁of ▁the ▁M 1 9 0 9 , ▁handled ▁by ▁Perm ▁Plant ▁in ▁ 1 9 3 7 , ▁included : ▁ ▁L ength ened ▁chamber ▁ ▁New ▁s ights ▁ ▁Str ength ened ▁carriage ▁ ▁The ▁resulting ▁gun ▁was ▁adopted ▁as ▁ 1 2 2 - mm ▁how itzer ▁M 1 9 0 9 / 3 7 . ▁ ▁About ▁ 8 0 0 - 9 0 0