Solid copper projectiles are the primary leadless solution on the market but they're much more expensive than the traditional copper jacket over lead core construction.
There's also solutions like Federal Syntech (https://www.federalpremium.com/handgun/syntech/) that doesn't get rid of the lead but fully encapsulates it to avoid the airborne lead problem.
There's also solutions like Federal Syntech (https://www.federalpremium.com/handgun/syntech/) that doesn't get rid of the lead but fully encapsulates it to avoid the airborne lead problem.