Certainly, I can help you with that! To integrate modern firearms and grenades into your Dungeons and Dragons 5th edition game, you'll want to consider the following aspects:
- Weapon statistics and properties
- Ammunition and reloading
- Ranged weapon attack rules
- Grenades and explosives
- Character balance and class modifications
Below are some suggestions for each of these aspects. Feel free to customize them as needed to fit your campaign.