The mod replaces the carbine in the game with the HK416D
Installing Upload files to path Grand Theft Auto V Mods update x64 dlcpacks patchday8ng dlc.rpf x64 models cdimages weapons.rpf In my case Grand Theft Auto Grand Theft Auto V update x64 dlcpacks patchday3ng dlc.rpf x64 models cdimages weapons.rpf