You learn the immortal art of gun-ko, which grants you the following benefits.
Bludgeon with Anything
When you attack with a Ranged weapon whose mastery property you can use, you can replace that property with the Bludgeon property for that attack.
Bonus Action Strike
When you make a ranged attack roll with a weapon against an enemy within 5 feet of you, you can make a melee attack using the Bludgeon property of that weapon as a Bonus Action.