yet another query regarding a .303 British round…
What was the purpose of the round on the left in the photos below?
The round on the right (RG 50 D10) is a a Drill Mk 10 round made by Radway Green.
the round on the left (made by Fabrique National d’Armes de Guerre, Herstal, Belgium) has an unpierced primer pocket and contains something sounding like lead shot loose inside it (the round does not accept a magnet).
Is it something along the lines of an instructional / drill / training round?
If so, why is it different to the standard “D” type drill rounds?