Assertion: delayed blowback | /r/ObjectUse | used in derivative mg 42v
Facets:
Source sentences:
text: Roller-delayed blowback was first used in the experimental MG 42 derivative MG 42V and the 1945 Mauser StG 45(M) prototypes.
text: Roller-delayed blowback was first used in the experimental MG 42 derivative MG 42V and the 1945 Mauser StG 45 prototypes.