As antitank-guns 386 Böhler 47 mm L\/39s were available , which were effective weapons but too few in number , being only at a third of the planned strength ; another three hundred antiquated 6 Veld ( 57 mm ) and 8 Staal ( 84 mm ) field guns performed the same role for the covering forces .
There were another three hundred old 6 Veld ( 57 mm ) and 8 Staal ( 84 mm ) field guns .