Anyone who's put serious hours into GTA V knows the stock gunplay hasn't aged well. Shots land too clean, cover barely matters, and a lot of fights feel like you're chipping away at health bars instead of surviving a firefight. If you care about immersion more than arcade chaos, a few smart mod choices can change everything. Even players who spend time grinding GTA 5 Money usually end up realising that combat is where the base game starts to show its age, especially once you compare it with what the modding scene can do.
Better bullet behaviour
The first thing worth fixing is penetration. Realistic Shooting Penetration V2 tackles that problem in a way the vanilla game never really did. Bullets now react to materials with a bit of common sense. Thin wood, cheap fencing, car doors, light metal sheets, they won't save you for long. Thick stone and heavier steel actually do the job. You notice it straight away in shootouts. Picking cover becomes a real decision instead of a reflex. Installation is fairly simple too, since it mainly comes down to replacing the materials.dat file through OpenIV. That said, it's still worth backing up the original file first, because one bad swap can turn a clean setup into a headache.
Weapons that feel dangerous
Once penetration makes sense, the next weak spot is the guns themselves. Realistic Weapon Play is still one of the best upgrades for that. It changes weapon damage around calibre logic, tones down the old arcade feel, and adds enough recoil that spraying wildly stops being effective. You can't just mash the trigger and expect laser accuracy anymore. SMGs feel messy at range. Rifles hit harder. Pistols stop feeling like toys. It also removes a lot of the visual nonsense that made firefights look gamey rather than grounded. The only real catch is installation. People rush it, skip steps, and then wonder why their files are broken. Take your time with this one or you'll regret it.
NPCs that don't act like robots
Weapon stats alone won't make combat believable if enemies still behave like they've got no fear at all. That's why Realistic Shootouts [.NET] adds so much to the experience. NPCs react to pressure. If you keep them pinned, if their side starts losing badly, some of them crack. They retreat, hesitate, or break formation instead of charging forward like they've got nothing to lose. It sounds like a small change, but it changes the whole pace of combat. The mod also adds stress effects when rounds are coming your way, which sounds minor on paper, yet in-game it makes firefights feel tighter and more personal. You do need Script Hook V and the.NET setup, so it's not quite as plug-and-play as a basic file replacement.
Putting it all together
Run these mods together and Los Santos starts feeling less like a sandbox shooter from another era and more like a harsh, unpredictable crime sim. Cover matters, weapons bite, and enemies don't just stand there soaking bullets. That's the sweet spot a lot of players have been chasing for years. Just be smart before you start stacking files and scripts. Keep backups, test one change at a time, and never take a modded setup anywhere near GTA Online. If you're already building the kind of single-player experience where details matter, whether that's loadouts, visuals, or even hunting for cheap GTA 5 Money for a different kind of progression, protecting your account and your game files should still come first.