Related Rule
Russian Federation
Practice Relating to Rule 78. Exploding Bullets
The Russian Federation’s Military Manual (1990) prohibits the use of various weapons that cause unnecessary suffering, including “projectiles weighing less than 400 grammes, which are either explosive or charged with fulminating or inflammable substances”. 
Russian Federation, Instructions on the Application of the Rules of International Humanitarian Law by the Armed Forces of the USSR, Appendix to Order of the USSR Defence Minister No. 75, 1990, § 6(c).
The Russian Federation’s Regulations on the Application of IHL (2001) states: “The following shall be prohibited to use in the course of combat operations: … projectiles of a weight below 400 grammes, which are either explosive or charged with fulminating or inflammable substances.” 
Russian Federation, Regulations on the Application of International Humanitarian Law by the Armed Forces of the Russian Federation, Ministry of Defence of the Russian Federation, Moscow, 8 August 2001, § 9.