The Israeli military says it has uncovered an illegal Palestinian weapons manufacturing network during an operation in the West Bank.

The military said on Tuesday that the overnight raid was the largest since Israel began cracking down on weapons' manufacturers and dealers several months ago. The raid found seven weapons factories, 22 weapons-making machines and dozens of arms.

The military says that since January, it uncovered 29 weapons factories and seized 49 weapons-making machines and more than 300 firearms. More than 140 arms dealers and manufacturers have been arrested during that time.

The crackdown comes amid an 11-month wave of Israeli-Palestinian violence which has largely tapered off in recent weeks. Israel says the weapons' crackdown is making it harder for Palestinian assailants to acquire guns.