复数： birettas

The pistol he used was a 38 calibre biretta of italian manufacture ; scores of these weapons were captured from the italians in north africa and smuggled back to india by indian soldiers .

行凶的手枪是意大利制点38biretta手枪；很多这类武器都是在北非战场上从意大利士兵手上缴获，然后被印度士兵偷运回印度的。