going for a  that was brilliant I got  and that, and I tried , I had a whole box of er, erm,thing is, when you hold a thousand rounds of ammunition, I got given about two thirds of this box all for myself,so I'm there for about three hours before the exercise  I had and then put the rest in the  then we sat down for another hour filling them up again, superb, we had loads of  bung in the windows  grenades