A standalone modern firearms overhaul for Build 42.20: 200+ firearms with full attachment systems, magazine and drum variants, smart magazine select, weapon inspection, laser/light control, flashlight Harries stance, muzzle flash, ejected brass, tracers and phosphorus loads, exact cyclic RPM, custom gunshot layering, underbarrel launchers, and configurable loot rarity tiers. Version 0.2.2 repairs the H&R Pardner / Base.Shotgun held model with a unique collision-free model binding. Fully self-contained for singleplayer and multiplayer - no external firearm framework required.