There is also an issue with the rifle’s cavity – the bottom part of the round into which the bullet is inserted before it is forced out of the barrel by gas pressure. “The cavity gets stuck during ejection and extraction,” said an officer of the Central Reserve Police Force (CRPF) who admitted to facing this problem while using the rifle. “Even though there is a mechanism to deal with such a malfunction, one doesn’t have the luxury of time during combat.” Another potential hazard was that the cavity was prone to melting during constant firing. This was because it was made thin in order to keep the weight of the rifle to a minimum. Despite this, the “lightweight” INSAS ended up weighing over four kilograms without a magazine. In comparison, the AK-47, even with the magazine attached, weighs 3.9 kilograms.