Bullet Ward

You touch a willing creature, they're immune to nonmagical damage dealt by bullets until the spell ends.

At Higher Levels. When you cast this spell using a spellslot of 2nd level or higher, bullets blocked by this spell may ricochet back to the attacker. Make a ranged spell attack against the target. On a hit, the target takes 1d6 magical piercing damage. When you cast this spell using a spellslot of 3rd level or higher, the damage increases by 1d6 for each slot level above 2nd.