As we know the weapons are great more better if we had it as an Add-On and this Add-On besides that offers more items for a better experience, also this is light so that you have a better playability when using it.
Select version for changelog:
• New shotgun, KS-23M.
• New accessories: 6H4 bayonet, useful for close combat. And the rail, useful for installing other accessories.
• Redesign of the textures and 3D models of the weapons.
• New equipment, diving equipment (oxygen tank and snorkel) and night vision goggles.
• New ammo, dragon breath, which shoots fire projectiles. Only available on the M3 shotgun.